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1. cc eseesssecceceeeeeeeeeseeeeees 18 Figure 22 Seismic data Delore Gmie Sii svcisaec tececeneseosnwes Sacseseleks aE E E E S 19 Figure 23 Seismic data after time shift of 3 36 MS seseeeesssssssssssssseererrrerssssssssssssssssseseeeeerereeeee 19 Figure 24 Depth Prorle dialog DOK siccssecsseascasenaescaceneeoasatacssgeeoeaancsintieadesesen usa a EE a E g 20 Figure 25 Depth Profile graphical interface DOX ssssneeeeeesessesssssssssseeeeereresesssssssssssssseeeerrereeees 20 Figure 26 Filtered 30 to 100 Hz bandpass Standard VSP Display seismic trace profile illustrating color coded reverse polarized waves sccsceeecccecccccceeeeeaaeeeeseeseeeeeeeeceeeeeeeeeeeqaaeaas 21 Figure 25 Display of the PPA Values for the X Component Time Series Data eee 22 Figure 26 Example of X Y Z Full Waveform VSP Display Output where the X component Y component Z component and Full Waveform Seismic Time Series Data is Displayed 23 Figure 27 Seismic Time Series Data Shown in Figure 28 with the Globally Normalization OPON E a e E E E E AE E E S 23 Figure 28 Illustration of PPA Values for Captured Triaxial Data In addition the interval velocity between depths 1 0 m and 2 0 m is SHOWN ccccccssssessseceeccceceeesesseeceeeeeaeaesseeceeceseeesauaaeseeeeeess 24 Figure 29 Typical 3D Display data unfiltered eccecccccccccceeeeeeeeeesseeseeeeeeesceeeeeeeeeeeeaaaeas 25 Figure 30 2D display of the FFT results of t2. Appendix 4 SC3 uSeis Installation Procedure WARNINGS In order for SC3 ynSeis to function properly it is important that the all software incl the InstaCal software is installed in the right sequence Therefore do not connect the USB 1208HS A D device until step 3 The software should be installed as follows 1 Download the software navigate to sub directory nstaCal and install InstaCal select file icalsetup exe 2 After installation reboot the computer 3 Plug USB 1208HS A D into USB port and execute program nstaCal InstaCal insures that the USB A D device is recognized by the Windows Operating system and allows for configuration and calibration Verify that the USB 1208HS device is configured as Board 0 as illustrated below InstaCal File Install Calibrate Test Help W Pc Board List Universal Serial Bus p Board 0 USB 1208HS 4A0 271859 Ready If not select the USB 1208HS A D device and right mouse click and select the Change Board as shown below Revision 14 1 0 A Page 33 BCE SC3 uSeis 2014 Seismic Data Acquisition Software gt InstaCal PC Board List Universal Serial Bus D ERS See Configure Calibrate Test Remove Board Ready 4 Configure the USB 1208HS A D device as Single Ended by selecting the Configure option shown above and selecting 8 Single Ended as illustrated below Board Configur
3. Transfer in from another computer ll fies CrypKey Instant Demonstration This is the configurable message box If this were your program you can easiby put your custom tailored message here You can even put Wour ayn hotlink to you Web or email like this Crypkey Canadal Inc salesigicrypkey com To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is set to give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired to continue The system then displays the following window Transfer License In Step 1 of 3 Transfer In enables you to transter a license to this program from a licensed copy on another computer For this process you will need 1 floppy disk and access to a licensed copy of this program on another computer lnsert a floppy disk into your computer s A dive and press Mest at the bottom of this dialog box IF You are using a dive other than drive A enter its path here Jack Browse cence Revision 14 1 0 Page 38 ce BCE SC3 uSeis 2014 Seismic Data Acquisition Software 4 Use the Browse button if necessary to supply the USB Flash Drive path then click Next The program imprints its registration on the USB Flash Drive and the system displays the following window Transfer License In Step 2 of 3 Now the license needs to be copi
4. UBS Reports _ SCPTS3_0L1_28 2013 7 52 21 PM aci 28 2013 7 52 PM AC lt CTRL gt plus left mouse click After the C SCPTS3 0R1_28 2013 7 52 15 PM aci 9 2013 7 52PM AC Gy Libraries C SCPTS4_0L1_28 2013 7 52 35 PM aci 28 2013 7 52PM AC Open button has been selected by the uSer Documents SCPTS4_0R1_28 2013 7 52 41 PM aci 8 2013 7 52PM AC E Music C SCPTSS_OL1_28 2013 7 52 53 PM aci 28 2013 7 53PM AC the main Standard VSP Display er aphical E Pictures C SCPTSS_OR1_28 2013 7 52 48 PM aci 1 28 2013 7 52PM AC user interface dialog box appears as is illustrated in Figure 25 In addition a tem _ vertical seismic depth profile appears as is sia v sanera illustrated in Figure 26 _ SCPTS6_0R1_28_2013 7 53 10 PM aci 28 2013 7 53 PM a S Cancel Figure 24 Depth Profile dialog box The graphical interface box provides extensive chart display configuration anis options sttace color D M clLime options p Note trace color A J clAgqua e Axis options Display X Anis camel o None do not display the axis Depth Range io component of the selected seismic data files Y axis options Y4trace color D I iGreen o Display X Y Z Axis display all Yetrace color A i clBlue axis component data of the Ytrace color L E ciMoneyGreen Depth Range selected seismic data files 0 00 to 0 00 o Depth Range specify a desired ene l IMenuHighligh depth range for which the ax
5. Real Time Seismic Signal Enhancement Utilizing a Hybrid Rao Blackwellised Particle Filter and Hidden Markov Model Filter IEEE Geosci Remote Sensing Letters vol 2 no 4 pp 418 422 Oct 2005 4 E Baziw and G Verbeek Passive Micro Seismic Event Detection by Identifying Embedded event Anomalies within Statistically Describable Background Noise Pure Appl Geophys vol 169 issue 12 pp 2107 2126 Dec 2012 Revision 14 1 0 A Page 29 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Appendix 1 E Baziw and G Verbeek Passive Micro Seismic Event Detection by Identifying Embedded event Anomalies within Statistically Describable Background Noise Pure Appl Geophys vol 169 issue 12 pp 2107 2126 Dec 2012 Revision 14 1 0 A Page 30 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Appendix 2 E Baziw Real Time Seismic Signal Enhancement Utilizing a Hybrid Rao Blackwellised Particle Filter and Hidden Markov Model Filter EEE Geosci Remote Sensing Letters vol 2 no 4 pp 418 422 Oct 2005 Revision 14 1 0 A Page 31 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Appendix 3 BCE technical note entitled Passive Micro Seismic Event Detection by identifying quantifying and extracting frequency anomalies within statistically describable background noise Revision 14 1 0 A Page 32 BCE SC3 uSeis 2014 Seismic Data Acquisition Software
6. Places 7 SCPTS4_2R5_03_2013 12 25 28 p m bin 05 03 2013 12 25 BIN File 7 SCPTS5_0L5_03_2013 12 29 25 p m bin 05 03 2013 12 29 BIN File Libraries a SCPTS5_0L5_03_2013 12 29 37 p m bin 05 03 2013 12 29 BIN File a Music E SCPTS5_0R5_03_2013 12 28 39 p m bin 05 03 2013 12 28 BIN File t Pictures 7 SCPTS5_0R5_03_2013 12 28 54 p m bin 05 03 2013 12 29 BIN File amp Videos E SCPTS5_OR5_03_2013 12 29 11 p m bin 05 03 2013 12 29 BIN File 05 03 2013 12 31 BIN File X SCPTS6 OLS 03 2013 12 31 30 p m bin a Hamenraun Ji File name Save as type Binary files bin a Hide Folders mire Figure 13 Data Stack file input dialog box Figure 14 Specifying the format to save stacked time series Figure 15 Specifying the directory and file name of the stacked time series Revision 14 1 0 Page 16 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Chapter 4 View Seismic Data SC3 uSeis provides four advanced graphical interfaces which allow the user to filter and plot captured triaxial seismic traces e View Seismic Data e Standard VSP Display e X Y Z Full Waveform Display e 3D Display 4 1__View Seismic Data The View Seismic Data option allows the user to analyze an individual seismic file Analysis features consists of filtering the seismic trace overlaying the unfiltered trace onto the filtered trace and displaying the smoothed Fourier tra
7. X Y Z Full Waveform VSP Display allows for the automation of the interval velocities based upon the relative arrival time differences of the peak particle values To implement this the user should first select the axis component 1 e X Y Z or full waveform from which the relative arrival time will be calculated by enabling pull down menu Arrival Next the user selects menu button Show PP so that the peak particle values are displayed For example Figure 29 illustrates the PPA values for recorded triaxial data The user then selects the appropriate peak particle PP text box and moves it as desired so that the location of the PP value can be identified As the user moves the cursor through the graphical profile interval velocity estimates will be displayed within the bottom message window The two PP values utilized to obtain the relative arrival times will be blink red for easy identification For example in Figure 30 the PPA values at depths 1 0 m and 2 0 m are identified by blinking red dots The corresponding interval velocity is displayed at the bottom of the chart as follows Interval Velocity X 1 00m to X 2 00 m 118 5 m s Ez C ct man a 3 Normalize Arrival GUI Save Load Legend Frrrerrtrerrrtrtrert Creer rerrerrrrrrlereere r z E PPA x10 3 1 736E0004 m s2 0 e Time ms Interval velocity X 1 00m to X 2 00m 118 5 m s Oooo OB Figure 30 Illustration of PPA Values for Captured Triaxial Data In a
8. er ANAC LC IS sais dase E E E EE 10 3 2 2 SEED Algorithm Event Detection Parameters 0 0 00 cccccccccccccceeeeeeeeeeeeeeeeeeeeeeeees 1 vo fed BAS er Tan Co hc Sere ee eee reese er ee enn eer eee ree 13 3 3 Begin Acquisition and Stop Acquisition Tool Baf cccccccccssssssseeeeceeceeeeeseeseeeeeeeeeaas 13 34 Converiio SC5 Rav Pile Formal ac 2scssassssecnessansasscancneececdccosanaqvansanaesesessonteceetdoomassayes 14 S AU AC rece cas etcetera E E 16 Chapter 4 Ty 9 CSN TAA E E E E ecio cas NE E EE ss uk sxaue theese dudes 17 A E e D i E E E E E E E E E 17 Beg dN SP pla e S E E ds 20 4 3 X Y Z Full Waveform VSP Display socecwscaceisnesaaeascvasioovvenatancnenasadeveessacnsantontaessidereanatadeieuds 22 oF DRD O T gemeernrre eerie E synryartncre Tee eer rrty Terre retnere tt rsere Tre aerrt or tere 25 Chapter 5 Chart Formatting Exporting and Printing ccceseeessecccececeeeeeeeeseceeeeeeaaeeeeees 28 Chapter 6 IRS G1 e E E E E E NES 29 Appendix 1 E Baziw and G Verbeek Passive Micro Seismic Event Detection by Identifying Embedded event Anomalies within Statistically Describable Background Noise Pure Appl Geophys vol 169 issue 12 pp 2107 2126 Dec 2012 0 ccccccccccceeeesseeeeeeeees 30 Appendix 2 E Baziw Real Time Seismic Signal Enhancement Utilizing a Hybrid Rao Blackwellised Particle Filter and Hidden Markov Model Filter IEEE Geosci Remote Sensing Letters vol 2 00 4 Pp 418 422 Ot 2
9. sampling frequency e Sampling time the Sampling Time is specified in ms and it corresponds to the total data acquisition time For optimal data storage and processing the sampling time should not be much longer than what is required to capture the P wave and S wave As a first estimate of this parameter s value the user should determine the maximum travel distance of the seismic wave and assume a wave velocity of 100 m s to calculate the travel time To determine the recommended Sampling Time the user should add to the travel time at least 60 ms to cover three periods of a 60Hz SH source wave However since data storage is not really limited in most cases it is more important that the Sampling Time is set large enough to capture all required data within a vertical seismic profile than to optimize this parameter The default Sampling Time is 500 ms e Sensor Sensitivity the user inputs the seismic sensor s sensitivity allowing for the recording of the particle accelerations or velocities in the true units of m s or m s respectively This value is provided by your SC system supplier and should be entered in mv g or v m s for accelerometers and geophones respectively WARNING The program shows a default numeric value of 100 as this is appropriate for the PCB accelerometers commonly used with BCE equipment However it is definitely not correct whenever geophones are used and in any event the user should check this value before d
10. sc3uSeis ini file for future applications The user should select user button Min order to implement newly specified chart configuration parameters If check box Normalize is checked in the Depth Profile graphical interface box then the displayed seismic wave traces are normalized to 1 0 Alternatively the seismic amplitudes are scaled relative to the maximum amplitude within the displayed seismic profile Figure 20 illustrates a typ ical Standard a m Out cake at gies pope M m a T a Mim VSP Display of reversely polarized f tne cvses dept SH waves The trend line shown in Figure 26 is specified by pressing the middle mouse button or lt shift gt right mouse button or lt shift gt left mouse button to identify individual points of interest SC3 uSeis then automatically draws a line between the points specified and provides a velocity estimate Pressing options lt Ctrl gt left mouse button or lt Ctrl gt right mouse button will delete the previously specified trend line Double NLS clicking the middle mouse button will oT Ds a se SS we a ee ee oe delete all the specified trend lines a m L r a w A Figure 26 Filtered 30 to 100 Hz bandpass Standard VSP Display seismic trace profile illustrating color coded reverse polarized waves To obtain accurate interval arrival times utilizing the trend line specification it is mandatory that the user selects the appropriate time index at the exact
11. the keyboard and selecting the desired highlighted option or by pressing the corresponding menu item letter on the keyboard File Utilities Window Help E aE NSS F igure 1 Main Menu and Tool Bar in SC3 uSeis The program can also be operated by clicking on icons As illustrated in Figure 1 the toolbar of SC3 uSeis consists of 15 different icons Convert to SC3 RAV FileFormat 3 7 1 2 3 Db SSS 3D Display iN 4 Ee eT mt Default GUI Settings EA 2 Sensor Type and Units VARA S pR 2 3 3 A PA 2 a Tile Horizontally Tile Vertically ee Open User s Manual FI KEIR E Lea yi gt N Full Waveform Component Specification Nn Revision 14 1 0 A Page 3 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 2 2 File Submenu Options The File menu option provides the user with 7 options Data Acquisition as described in detail in Section 3 1 Convert to SC3 Rav file format as described in detail in Chapter 3 Data Stack as described in detail in Chapter 3 View Seismic Data as described in detail in Chapter 4 Standard VSP Display as described in detail in Chapter 4 X Y Z Full Waveform VSP Display as described in Chapter 4 3D Display as described in Chapter 4 Exit to close the program 2 3 Utilities Submenu Options The Utilities menu option provides the user with 3 options e Default GUI Settings e Sensor Type and Units e Full Waveform Component Spec
12. 00 urine e Eais 31 Appendix 3 BCE technical note entitled Passive Micro Seismic Event Detection by identifying quantifying and extracting frequency anomalies within statistically describable Dakaro E NOE a aee E EEE E vaaseswesanenneetanensedees 32 Appendix 4 SC3 uSeis Installation Procedure eeeeessesseessseseeeeeereeeesesssssssseseeerereessessssss 33 Appendix 5 SC3 pSeis Trouble Shooting ccccccccccccccccccccstscsscssnsssesssesssesecccececeasseenes 36 Appendix 6 SC3 uSeis License Transfer Procedure c cc ccccccecsesssseeeeeeeeeeeecceeeeeeeeeeeeeanaaegs 37 Revision 14 1 0 A Page 11 BCE SC3 uSeis 2014 Seismic Data Acquisition Software List of Figures Figure 1 Main Menu and Tool Bar in SC3 USeis ooo cccccccnnnnnteeseesseseseseeeeeeeeeeeeeeeeeeeaaeas 3 Powe 2 We agit Gre Se tn coo cates arcenaatneceatorateencyesnsoneassncnadaanesene e E S 4 Figure 3 Sensor Type and Units dialog boxes ccccccceeeecececccccceeeeeeaeaaeesseeseeeeeeeceeeeeeeeeeeeaaaqaas 5 Figure 4 Full Waveform Component Specification User Interface cccccceeececeeceeeeeeeeeeeeeees 5 Pureo FUS MOI e A E E A 7 Figure 6 Directory Selection Dialog BOX svciscocce lt ccncaece ineacestseuesdebienacecdacvnscelsaosuvsterunncanneneceedanenncetee 7 Figure 7 Trigger Parameters Input Screen cccessssseeeecceeecceceeeeaaaeaaeesseseeeeeeeeeeeeeeeeeeeeeaqaaas 10 Figure 8 Finite differ
13. 24 18 20 30 40 50_ From the table above it is clear that there is a distinct difference in actual sampling rates depending on the trigger type This is due to the computational requirements of the SEED algorithm used with a sensor trigger This algorithm must complete filtering and event detection within Axring buffer size prior to extracting the next set of data from the ring buffer This means that the maximum allowable processing time for a 8192 point ring buffer and a sampling rate of 20 KHz is 410 ms Performance testing of the SEED algorithm has shown that it requires approximately 140 ms to process 8192 data points with a sampling rate of 20 KHz or approximately 1 3 of the maximum allowable processing time The computer system utilized for this test was a Dell Latitude E6520 laptop with a quad core 2 40 GHz CPU Revision 14 1 0 A Page 8 BCE SC3 uSeis 2014 Seismic Data Acquisition Software WARNING The CPU time depends on the computer system utilized and the additional applications that are running simultaneousl If the processing time of the SEED algorithm exceeds the allowable time a file with CPUFAILURE appended to the file name will be saved to disk e g uSEIS 24 01 2014 21 15 39 367CPUFAILURE bin If this occurs the user should decrease the specified sampling rate It should be noted that the analog anti aliasing filter is set automatically based on the specified sampling rate at 1 3 of the
14. Automated STA LTA Settings strikes the truck Trigger Dominant Frequencies Save Trigger Channel to File Min Frequency Hz 90 pads and a Sensor trigger when the Trigger Sensor Sensitivity 100 fie mvg and v m s Max Frequency Hz 160 signal of a earn transducer e g an accelerometer or E Tos geophone is used to Save Pretiigger trigger the system Trigger Gain the ime ms Amplitude Data Acquisition Messaging gan on the trigger channel has four possible settings O dB 1x 20 dB 10x 40 dB 100x and 60 dB 1000x This parameter is only applicable when a Sensor trigger is used since a zero gain is applied in case of a Contact trigger and has a default value of 40 dB e Trigger level or sensitivity this value specifies the percentage of full scale trigger amplitude that signifies a trigger event This parameter is only applicable when a Sensor trigger is used since a Contact trigger is an on off trigger and has a default value of 10 or 409 for a 13 Bit A D e Save Trigger Channel to File if checked the trigger data is saved to file In the saved trigger data file the trigger channel 1s mapped to the X axis the X axis sensor response 1s mapped to the Y axis and the Y axis response is mapped to the Z axis It should be noted that while the Z axis sensor response is not displayed it is saved in the data file Figure 7 Trigger Parameters Input Screen Revision 14 1 0 A Page 10 BC
15. E Enable Closest Depth PRA IEA EDOD Z mmr 7177 Depth m As the user moves the cursor over individual traces the corresponding file ai aa name of the seismic trace is displayed at pa suse the bottom right hand corner of the chart pode fA The user can display acceleration velocity or displacement profiles by pressing the o 5 10 15 20 26 30 35 40 45 50 55 60 65 70 75 80 85 390 95 100 PP Type button and selecting the Piria Dns desired particle motion Figure 27 Display of the PPA Values for the X Component Time Series Data 4 3__X Y Z Full Waveform VSP Display The X Y Z Full Waveform VSP Display option allows the user to simultaneously display the X Y Z and Full waveform responses onto a VSP graphical display In the software option the user selects the files to be displayed as previously described for the Standard VSP Display option and the graphical interface box shown in Figure 25 also appears Figure 28 illustrates a typical X Y Z Full Waveform VSP Display where the time series data for the X component Y component Z component and full waveform are displayed The user can normalize the display locally or globally by opening the Normalize pull down menu and then selecting the appropriate normalization option By normalizing the seismic data locally the amplitudes of a X component Y component Z component and full waveform set of time series data for a specific depth are normalized with respect to the absolute maximum v
16. E SC3 uSeis 2014 Seismic Data Acquisition Software e Trigger Sensor Sensitivity the user inputs the trigger sensor s sensitivity allowing for the recording of the particle accelerations or velocities in the true units of m s or m s respectively This value is provided by your SC system supplier and should be entered in mv g or v m s for accelerometers and geophones respectively WARNING The program shows a default numeric value of 100 as this is appropriate for the PCB accelerometers Commonly used with BCE equipment However it is definitely not correct whenever geophones are used and in any event the user should check this value before data acquisition is started 3 2 2 SEED Algorithm Event Detection Parameters When specifying a Sensor trigger the program will use the SEED algorithm to detect the seismic event This algorithm characterizes the trigger source wave TSW as a frequency anomaly embedded within background noise whereby the TSW is uniquely modeled as an Amplitude Modulated Sinusoid AMS The AMS wave has proven very accurate in modeling seismic data acquired during passive seismic monitoring and vertical seismic profiling Figure 8 illustrates the three parameters which define the AMS trigger source wave w rf the angular frequency with f the TSW s dominant frequency tr f set the offset time from the arrival time of the source wave to when the sinusoidal component commences h the exponen
17. SC3 uSeis 2014 User s Reference Manual File Utilities Window Help wa J DOE G URF 2 DIAGNOSTICS Amplitude Data Acquisition Messaging SUB SURFACE DIAGNOSTICS Version 14 1 0 February 2014 BCE SC3 uSeis 2014 Seismic Data Acquisition Software BCE s mission is to provide our clients around the world with state of the art seismic data acquisition and analysis systems which allow for better and faster diagnostics of the sub surface The company provides state of the art hardware and software solutions for a wide variety of seismic engineering applications If necessary we will customize our products to suit the requirements of our clients even better BCE s products and services consist of e Seismic Data Acquisition and Signal Conditioning Hardware Seismic Data Processing Software Applied Seismology Consulting Services Seismic Data Processing Professional Seminars By publishing this manual we will hopefully provide a better understanding of downhole seismic testing and the role it can play in geotechnical investigations Baziw Consulting Engineers Ltd 3943 West 32nd Avenue Vancouver B C Canada V6S 1Z4 url www bcengineers com email info bcengineers com 1998 2014 Baziw Consulting Engineers Ltd All rights reserved The content on this work is protected by the copyrights of Baziw Consulting Engineers Ltd No part of this document may be reproduced stored in a retrieval system o
18. There may be instances where the USB A D device is reporting errors during data acquisition This issue is most commonly addressed by resetting the USB A D The resetting of the USB A D device is implemented by simply unplugging the USB A D cable from the computer and then reconnecting the USB A B cable back into the computer If this doesn t work then the following procedure should be followed 1 Reboot the laptop 2 Execute instacal 3 Make sure the 2 settings outlined in Appendix lare set Board is configured a 0 and set as 8 single ended 4 Test A D TEST gt Digital Press TEST Board Test USB 1208H Intemal DIO Extemal DI Extemal DO Testing internal registers DONE Ho Failures detected 5 Re run C3 uSeis Revision 14 1 0 A Page 36 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Appendix 6 SC3 ySeis License Transfer Procedure This type of operation transfers a license from an existing authorized copy of an application on one computer to an unauthorized copy of the product on a second computer The transfer process does not jeopardize your license in any way and is completely secure because the USB Flash Drive is registered to a specific PC in a specific location This ensures the license can only be transferred to the target PC you specify Please note where the software shows floppy drive a USB flash drive can be used as the medium instead Example You want to tr
19. alue recorded for Revision 14 1 0 A Page 22 BCE SC3 uSeis 2014 Seismic Data Acquisition Software this set of triaxial data Normalizing the data globally all of the displayed seismic data is normalized with respect to the absolute maximum amplitude recorded within the entire set of displayed data Figure 29 illustrates the seismic data shown in Figure 28 following a global normalization Edit X 100m 9 Y 1 00m ofi Z 1 00m 0 FW 100mg f X 2 00m p Y 2 00m p 0 05 Z 2 00m 0 0 05 FW 2 00m p X 3 00m 0 Y 3 00mo Z 3 00m 0 G e B Normalize Arrival Loa Legend X 100m Y 100m Z 100m Fa 100m X 200m Y 200m Z 200m F 200m X 300m Y 300m Z 300m Fa 300m 200 250 Time ms A n O e Norns Arrival GUI Save Load Legend 150 200 250 300 350 400 Time ms Figure 28 Example of X Y Z Full Waveform VSP Display Output where the X component Y component Z component and Full Waveform Seismic Time Series Data is Displayed Figure 29 Seismic Time Series Data Shown in Figure 28 with the Globally Normalization Option Enabled Revision 14 1 0 Page 23 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Similar to the Standard VSP Display software option the user can display peak particle values for acceleration velocity and displacement within the X Y Z Full Waveform display In addition the
20. ansfer the license for the Calculator example program from PC 1 to PC 2 1 Ensure that you have an authorized copy of the application on PC 1 an unauthorized copy of the application on PC 2 and a USB Flash Drive inserted into PC 2 2 Your first operation is on the unauthorized computer i e PC 2 Start the program on PC 2 As soon as the splash screen appears hit to space bar to open the License Configuration window shown below Protected Calculator License Configuration oe Program License Help a Frogram not authorized Site Code Display Site Code meee Site Key CrypKey Instant Demonstration This is the configurable message box If this were your program you can easily put your custom tailored message here You can even put YOLE own hotlink to you Web or email like this Crypkey Canada Inc salesiicrypkey com To demonstrate the power of CrypkKey Instant we have protected the familiar Calculator program This i set to give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired ta continue Revision 14 1 0 A Page 37 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 3 Click the License option to display the Transfer in from another computer command as shown below Protected Calculator License Configuration Program License Help zA Wansten to directo af Mansen outta another computer
21. are Chapter 3 The File Data Acquisition menu option is used to carry out autonomous data acquisition and allows the user to communicate with the BCE signal conditioning board and the analog digital A D conversion board As shown in Figure 5 this menu has two tabs for data input e Data File Specification and A D Parameters e Trigger Parameters Once the data has been entered the tool bar at the top of the screen is used to control the actual data acquisition Seismic Data Acquisition File Utilities Window Help Bb EEE NJA BSE B Begin Acquisition Stop Acquisition Data File Specification and 4 D Parameters Trigger Parameters Data File Specification Site Name uSEIS iadial offset m 2 Data Directafg Radial offset m 2 C JOBS passive seismic SC3useis 2014 Source depth mij 0 Save Data s Save ak ASCII e Binary Data Gain dB 30 Sampling Rate KHz 20 Anti Aliasing Filter KHz 6 67 Sampling Time ms 500 Sensor Sensitivity j d and v m s 100 100 100 Enable Automatic Gain Setting Data Acquisition Messaging Figure 5 File Menu 3 1 Data File Specification and A D Parameters The Data File Specification and A D Parameter tab is illustrated in Figure 5 and the input parameters required on this tab are as follows Site Name the user specified Site Name is utilized within SC3 uSeis s automatic seismic data file naming and saving process The default Si
22. ata acquisition is started e Enable Automatic Gain Setting if this option is enabled then the Data Gain is re adjusted automatically This adjustment is determined by comparing the maximum absolute recorded amplitude MARA measured in true units e g m s on the X Y and Z axis with the full scale value FSV for the Data Gain specified The Data Gain is then adjusted so that the MARA value resides within the amplitude range of 30 FSV to 70 FSV Each adjustment is limited to 12 dB so that a single erroneous data file does not alter the gain setting dramatically Revision 14 1 0 A Page 9 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 3 2 Trigger Parameters The Trigger Parameters tab 1s illustrated in Figure 7 and it contains three different types of inputs Trigger related inputs SEED algorithm related inputs and Pretrigger related inputs 3 2 1 Trigger Parameters To specify the trigger the user needs to provide five inputs e Trigger Type there are two types File Utilities Window Help Bb QEERe N amp gt Ben 7B of _ triggers a Contact trigger A whereby the Begin Acquisition Stop Acquisition system iS triggered Data File Specification and A D Parameters Trigger Parameters Trigger Specifications CT AA TA Paranetors when contact is ene ngget YP Threshold Ratio 5 made between zaran STA Ime Ea source and receiver TEE N A ms 680 0 e g When the source hammer ae paana anna e E 2 x
23. ation USB 1208HS 4A0 Identification Factory Serial No 2 1859 Identifier No of Channels je Single Ended r Flash LED Firmware Version 1 02 FPGA Version 1 01 5 Navigate to sub directory SC3 uSeis Execute program setup exe 6 Execute program sc3Useis exe as an Administrator Revision 14 1 0 A Page 34 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 7 When the screen below appears leave Launch the program checked This will allow for the CrypKey drivers to be automatically installed H SC3 RAV InstallShield Wizard InstallShield Wizard Completed The InstallShield Wizard has successfully installed SCS RAY Click Finish to exit the wizard Launch the program 8 Run C3 uSeis as an administrator On the first execution of SC3 uSeis the interface below appears Email cut and paste BCE the Site Code e g 8B3C 7C73 13DE FAF5 8A BCE email will then email the required Site Key for validation HIF C3 uSES License Configuration Program License Help A Program not authorized Site Code BB3C 7ra 130E FAFS BA SC3 uSeis Autonomous Data Acquisition Software To obtain your Site Key please email your Site Code to infom bcengineers com Revision 14 1 0 A Page 35 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Appendix 5 SC3 ySeis Trouble Shooting
24. d POD iS nA me ei e A B Re Filter FFT Normalize FF Type Animate Save Load Legend 250 300 Time ms 350 Figure 31 Typical 3D Display data unfiltered These graphs in the time and frequency domains can illustrate very well how the earth acts as a low pass filter as the seismic source wave travels deeper into the soil stratigraphy a phenomenon directly related to the absorption Q value of the soil profile Revision 14 1 0 A Page 25 BCE SC3 uSeis 2014 Seismic Data Acquisition Software eet aia i ae il ae gt Ta Wer opto r 7r 1 prt m s2 in ee Ste Te Tu n 1 Fr 4 com me A h O KN e I _ oe e m a ee MM a TR Rc ee RR ae at T ue Thee oo T i 250 Time ms 300 Figure 33 Typical 3D Display same data as in Figure 31 but now filtered and chart copied to clipboard as described below 80 100 120 140 Time ms Figure 32 2D display of the FFT results of the filtered data shown in Figure 32 Revision 14 1 0 A Page 26 BCE SC3 uSeis 2014 Seismic Data Acquisition Software As shown in Figure 31 immediately above the display there are 8 buttons to assist the user in working with this display The function of these buttons can be described as follows Re Filter the Filter Parameter Specification Window as shown in Figure 15 appears to allow specification of four different types of filters as well as t
25. data captures of the trigger channel once the autonomous SCPT system has been mobilized 3 2 3 Pretrigger Parameters To specify the pretrigger the user has to provide two inputs e Pretrigger Duration the Pretrigger slide bar allows the user to specify the amount of information to be stored prior to triggering The Pretrigger Duration 1s specified as a percentage of the total Sampling Time For example if the total sampling time is 500 ms and the Pretrigger Duration slide bar is set to 10 then the pretrigger is SOO x 0 10 50 ms The maximum allowable pretrigger duration is 20 of the total sampling time specified The default Pretrigger Duration is set at 10 of the Sampling Time e Save Pretrigger if checked the pretrigger data is saved to file 3 3 _Begin Acquisition and Stop Acquisition Tool Bar Once the user has specified the necessary data acquisition and trigger parameters autonomous seismic cone data acquisition can commence The SC3 uSeis tool bar options are as follows e Begin Acquisition the Begin Acquisition option is chosen once the data acquisition parameters have been specified and the user desires to commence autonomous data acquisition SC3 uSeis stores the current data acquisition parameters in the Revision 14 1 0 A Page 13 BCE SC3 uSeis 2014 Seismic Data Acquisition Software SC3useis ini file and these values become the default parameters As soon as a trigger occurs the seismic cone data fi
26. ddition the interval velocity between depths 1 0 m and 2 0 m is shown As shown in Figures 28 30 immediately above the display there are 9 buttons to assist the user in working with this display The function of these buttons can be described as follows e Edit Chart to allow for chart formatting printing and exporting e Show PP to enable and disable the display of peak particle values e PP Type to select whether the acceleration velocity or displacement values of the time series data are displayed Revision 14 1 0 A Page 24 BCE SC3 uSeis 2014 Seismic Data Acquisition Software e Normalize to allow either local or global normalization of the data Arrival to define select the axis component 1 e X Y Z or full waveform from which the relative arrival time will be calculated GUI to open the graphical interface box shown in Figure 25 Save to save the latest defined chart settings Load to enable the latest defined chart settings Legend to enable and disable the display of chart legend 4 4 _3D Display The 3D Display option allows the user to display the time series data for the X component Y component or Z component at various depths into a 3D display In this software option the user selects first the axis and then the files to be displayed as previously described for the VSP Display options Figure 31 illustrates a typical 3D Display where the time series data for the X component are displayed No
27. depth of the probe from which the seismic data was recorded Alternatively if check box Enable Closest Depth is enabled the SC3 uSeis software relates back to the closest data depth when specifying trend lines Revision 14 1 0 A Page 21 BCE SC3 uSeis 2014 Seismic Data Acquisition Software As shown in Figure 26 immediately above the display there are 10 buttons to assist the user in working with this display The function of these buttons can be described as follows e Zoom in to scale the seismic amplitudes up in 10 increments e Zoom out to scale the seismic amplitudes down in 10 increments e Edit Chart to allow for chart formatting printing and exporting e Show PP to enable and disable the display of peak particle values e PP Type Select the peak particles values to display 1 e acceleration velocity or displacement e Save TLEs to save the trend line data e GUI to open the graphical interface box shown in figure 20 e Save to save the latest defined chart settings e Load to enable the latest defined chart settings Legend to enable and disable the display of chart legend a a e amp 8 Gi a i Zoomin ZoomOut Editchat ShowPP PP Type Save TLEs GUI Load Legend Figure 27 illustrates a Standard Display VSP of the PPA values of the data used to generate figure 18 As mentioned above the display of these values can be enabled and disabled by toggling user interface button E
28. dpass of 30 to 100 Hz The user may then overlay Figure 17 Filter Parameter the unfiltered seismic trace onto the filtered trace by selecting checkbox Overlay as illustrated in Figure 19 Specification Window The smoothed Fast Fourier Transform FFT of either the unfiltered or filtered seismic trace is derived and displayed by selecting checkbox FFT The frequency spectrum of the filtered trace is displayed if the checkbox Filter is selected along with the FFT checkbox Otherwise the unfiltered seismic trace s frequency spectrum is displayed Figure 20 shows the frequency spectrum of the filtered data file shown in Figure 18 Revision 14 1 0 A Page 17 BCE SC3 uSeis 2014 Seismic Data Acquisition Software File Utilities Window Help File Utilities Window Help E AKERE NA BEBO B E QER AGS BEO X xAxs DXI YAxis X Z Axis EA gt X XAxis X Y Axis X Z Axis FFT Display Pre Trigger 9 0 FFT Display Pre Trigger 0 0 10 5 0 5 200 250 100 150 200 250 300 Time ms Time ms Time ms 411 30 Amplitude 11 550 Data Acquisition Message N A Time ms 462 20 Amplitude 16 625 Data Acquisition Message N A Figure 18 Filtered seismic trace in View Figure 19 Overlaying unfiltered seismic Seismic Data software option time series onto filtered time series File Utilities Window Help nbe QBREe AMZ BEO File Utilities Window Help ae QAER AS BEBO 7B x Axis X lt Y Axis XI Z Axis ja x KAxis
29. e Window menu option provides the user with 4 options to arrange the open window s Cascade Tile Horizontally Tile Vertically Minimize All 2 5 _Help Submenu Options The Help option provides the user with 3 options About provides software version information on SC3 ynSeis User s Manual opens the SC3 uSeis user s manual in a default pdf browser Appendix 1 opens the paper entitled Passive Micro Seismic Event Detection by Identifying Embedded event Anomalies within Statistically Describable Background Noise in a pdf browser This paper outlines the most recent formulation of the SEED algorithm Appendix 2 opens the paper entitled Real time seismic signal enhancement utilizing a hybrid Rao Blackwellized particle filter and hidden Markov model filter This paper outlines the initial mathematical details behind the SEED algorithm Appendix 3 opens the BCE technical note entitled Passive Micro Seismic event detection by identifying quantifying and extracting frequency anomalies within statistically describable background noise in a default pdf browser This technical note concisely outlines the SEED algorithm and provides examples of the advantages of the SEED algorithm over standard frequency filtering techniques Link to BCE opens the Baziw Consulting Engineers web page in a default web browser Revision 14 1 0 A Page 6 BCE SC3 uSeis 2014 Seismic Data Acquisition Softw
30. e red trace the corresponding STA LTA of the blue trace When the STA LTA ratio File Utilities Window Help exceeds the user specified Te AREER AE ae Threshold Ratio set at 5 0 for this example an event is identified The corresponding time location is shown in Figure 9 by the black short line at t 9 ms In the SEED algorithm the trigger time t 0 magenta short line in Figure 9 is determined by initially moving back in time from t until the AMT value drops to 20 of the AMT value at t which is shown in Ee Figure 9 by the cyan short line eee eeen Mee at to 3 ms The trigger time Timem 7 S Anas to is then determined by moving back in time from fp until the first zero crossing is Figure 9 Trigger sensor data green trace STA LTA of cached within the trigger smoothed AMT red trace and Smoothed AMT blue trace trace where a low pass filter 900 Hz is initially applied to remove false zero crossings 2 Axis x Y xis X Z Axis X Fiter amp Overlay FFT lt Display Pre Trigger 0 0 Data File C JOBS passive seismic S Time ms 10 81 Amplitude 0 209 Data Acquisition Message N A When obtaining interval velocities from a pseudo interval SCPT it is important that a common reference point is selected for the trigger channel and that that reference point is used for the Revision 14 1 0 A Page 12 BCE SC3 uSeis 2014 Seismic Data Acquisition Software entire SCPT profile under a
31. ears when this button is selected which allows for extensive modification of the displayed data and chart attributes In addition the data can be printed by selecting the Print tab which brings up the Chart Printing Dialog Box as shown in Figure 35 Finally this utility has an extensive electronic Help function which is accessed though the Help button at the bottom left of the screen Editing chtAcg pack MW Seismic Data FAST ba V Stacked Data FAST park M Trigger Channel Figure 34 Chart Editing Dialog Box Editing chtAcg A Chart Series Data Tools Animations Export Print Printer HPBCOSE9 HP Officejet setup print Orientation Portrait Landscape Margins ae pO T E TE r a Trix L ly T re l J r ier hedapkt L li TERE Lia Li L ly pri Fi 1 li Figure 35 Chart Printing Dialog Box Revision 14 1 0 A Page 28 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Chapter 6 References 1 E Baziw and I Weir Jones Application of Kalman filtering techniques for microseismic event detection Pure Appl Geophys vol 159 pp 449 473 Jan 2002 2 E Baziw B Nedilko and I Weir Jones Mucroseismic event detection Kalman filter derivation of the noise covariance matrix and automated first break determination for accurate source location estimation Pure Appl Geophys vol 161 pp 303 329 Feb 2004 3 E Baziw
32. ed to the floppy disk 1 Remove the floppy dick and take it to the computer with the licensed copy of this program 2 Run the licensed copy of this program and select Transter Que 3 Bring the disk back to this computer and press Mesh If there is a significant delay between transters for exanple you are moving a license from your work computer to your hame computer you can suspend the transfer process and continue later Continue Transter Later Cancel 5 If you need to close the PC 2 program while you work with the PC 1 program click the Continue Transfer Later button in the above window The system displays the following popup message Continue Transfer Later fou have chosen to continue the Transter In at a later time When you are ready to complete the transter select Transter Into Computer again and you will be asked if you want to complete the pending transter 6 Click OK to acknowledge the above popup 7 Remove the USB Flash Drive from PC 2 and insert it into PC 1 Revision 14 1 0 A Page 39 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 8 Start the program on PC 1 and press the space bar as soon as the BCE flash screen appears 9 By doing this the License Configuration screen will open Click the License button and select Transfer out to another computer as shown below Show the SrteCode Acquire License Transfer to directory Transfer in f
33. ence source wave with superimposed 140 Hz sinusoid and exponential SCA WU TALS 0S E EA A A T E E 11 Figure 9 Low pass filtered 900 Hz sensor data green trace STA LTA of smoothed AMT red trace and Smoothed AMT DIME Wace Jasenie EEEE 12 Procure 107 SC e a COON ai aco cxt tse E E 14 Figure 11 Convert to SC3 Rav File Format user interface c ccc ceeeeeesseeeeeeceecececeeeeaeeeeaaeees 14 Figure 12 File Convert to SC3 Rav File Format file input dialog DOX ce eeeeeeeeeeees 15 Figure 13 Data Stack file input dialog DOX i cccceececcceccceeaseeeseecceeeeesaaeeseeeceeeeesaaaesseeeeeess 16 Figure 14 Specifying the format to save stacked time SCTICS cccsseeseeeeeeeeeeeeeeceeeeeeceeeeeaaaaees 16 Figure 15 Specifying the directory and file name of the stacked time series cccceeeeeeeeees 16 Figure 16 Main graphical interface in View Seismic Data software Option ceeccecceeeeeeeeees 17 Figure 17 Filter Parameter Specification Window cccccccccccccccececeeeeeeeeeeseseseeeeeceeeceeeeeeneaaaaaas 17 Figure 18 Filtered seismic trace in View Seismic Data software Option cceeeeceececeeeeeeeeeees 18 Figure 19 Overlaying unfiltered seismic time series onto filtered time series ccceeeeeeeeees 18 Figure 20 Display of frequency spectrum of seismic time series illustrated in Figure 18 18 Figure 21 Seismic data file with Display Pre Trigger enabled
34. h OSURSI_O4 Ra p Organize v New folder v fl Name Date modified Type 3 Libraries toitis fee E SCPTS3_0L5_03_2013 12 20 59 p m bin 05 03 2013 12 21 BIN File usIC ee E SCPTS3_OR5_03_2013 12 11 36 p m bin 05 03 2013 12 11 BIN File es z E SCPTS4_0L5_03_2013 12 23 17 p m bin _ 05 03 201312 24 _ BIN File eos E SCPTS4_2R5_03_2013 12 25 28 p m bin 05 03 2013 12 25 E SCPTS5_0L5_03_2013 12 29 25 p m bin 05 03 2013 12 29 BIN File amp Homegroup EER E SCPTS5_0L5_03_2013 12 29 37 p m bin _05 03 201312 29 __ BIN File ate 3 SCPTS5_ORS_03_2013 12 28 39 p m bin 05 03 2013 12 28 BIN File a ee 2 SCPTS5_OR5_03_2013 12 28 54 p m bin 05 03 2013 12 29 BIN File i a SCPTS5_0R5_03_2013 12 29 11 p m bin 05 03 2013 12 29 BIN File a Ome nt ball m b File name SCPTS5_0R5_03_2013 12 28 54 p m bin SCPTS5_0 v Binary files bin m Data Stack Output File Specification Save Data As ASCII an Go r G Specify Stacked Seismic Trace a J lt Perry Drilling March 52013 SCPT OSURS1_04_Raw v Search OSURS1 04 Rav p Organize v New folder az v hr Favona Name i Date modified Type Sti BB Desktop 7 SCPTS3_0L5_03_2013 12 20 59 p m bin 05 03 2013 12 21 BIN File iB Downloads 7 SCPTS3_OR5_03_2013 12 11 36 p m bin 05 03 2013 12 11 BIN File 3 Dropbox 7 SCPTS4_0L5_03_2013 12 23 17 p m bin 05 03 2013 12 24 BIN File E Recent
35. he Site Name edit box S S wave S or P wave P dominant source wave type 28_01_2014 day data acquired 1 e day_month_year 15 15 25 152 time data acquired 1 e hour minute sec msec bin user specified data type If option Save Trigger Channel to File option is enabled see Section 3 2 the associated saved trigger file includes TRIG prior to the day information e g uSEISS TRIG28_01_2014 15_15_25_152 bin Apart from the Data File Specification input the user also has to enter the following Radial Offset radial offset m of the source from the penetration cone Source Depth depth m of the source into the ground Data Gain the data gain corresponds to the amplitude gain on the recorded data and can be set from 0 to 84 dB in increments of 6 dB The default Data Gain is 30 KHz Sampling Rate the sampling rate is specified in KHz and it ranges in value between 1 and 50 KHz The default Sampling Rate is 20 KHz Once the user has specified the Sampling Rate the program will determine the Actual Sampling Rate which is a multiple of the specified Sampling Rate to take optimal advantage of the fact that a digital trigger is used Listed below are the Actual Sampling Rates for each of specified Sampling Rate for both the Contact trigger and the Sensor trigger see Section 3 2 Specified 1 2 3 4 5 6 7 8 9 10 20 30 40 50_ ft S l l A ctual sensor 20 20 18 20 20 18 21
36. he filtered data shown in Figure 32 26 Figure 31 Typical 3D Display same data as in Figure 31 but now filtered and chart copied to clipboard as described De OW iss saceass cotestrnesnantstoncsaaadnnceseives E E 26 Procure o3 Chan Ei Dialog DOXsccsersrosreirer snene semua eas sacantenauscuueasa vanes 28 Figure 50 Chart Printine Dialog BOX isin ciecusensacsasanesesunevancusnasnsioinnensoccasshosieseveanauanaiinsiomaeeausaaniines 28 Revision 14 1 0 Page iii BCE SC3 uSeis 2014 Seismic Data Acquisition Software Chapter 1 Introduction 1 1 What is SC3 uSeis SC3 uSeis is a Windows program that facilitates the autonomous data acquisition of triaxial Seismic Cone SC time series data SC3 uSeis utilizes passive micro seismic monitoring technology where a dedicated trigger channel remotely discerns whether an event or trigger has occurred When an event or a trigger is detected the SCPT seismic data is stored to file at the user specified sampling rate and sample time SC3 uSeis allows for a Contact or Sensor trigger The Sensor trigger is based on BCE s so called SEED Signal Enhancement and Event Detection algorithm which uses real time Bayesian Recursive Estimation BRE digital filtering techniques to analyze in real time the raw trigger data SC3 uSeis includes the following features Configurable for either geophones or accelerometers Configurable for either Contact o
37. he start time FFT to derive and display the smoothed Fast Fourier Transform FFT of selected filtered or unfiltered time series data Normalize to allow normalization of the data PP Type to select whether the acceleration velocity or displacement values of the time series data are displayed Animate to start or stop rotation of the display Save to save the latest defined chart settings Load to enable the latest defined chart settings Legend to enable and disable the display of chart legend Above these 8 buttons there is another toolbar with 10 options that allow the user to perform the following R drag the data series with the left mouse button down to zoom and with the right mouse button down to scroll drag the chart to rotate drag the chart to move drag the chart to zoom drag the chart to adjust the depth click to toggle between a 2D and 3D display of the data click to allow for display formatting printing and exporting click to allow for display printing click to copy the display to the clipboard I ELEBY click to save the display as a TeeChart Pro file Revision 14 1 0 A Page 27 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Chapter 5 Chart Formatting Exporting and Printing i rir The graphical edit button Hes displayed in various screens allows for chart formatting printing and exporting Figure 34 illustrates the graphical interface that app
38. ification 2 3 1 Default GUI Settings The Default GUI Settings dialog box is shown in Figure 2 Here the user can specify the minimum and maximum frequency axis values as well as the precision the number of digits and the increment for both the vertical amplitude axis and the horizontal time axis Amplitude Axis Parameters Frequency Axis Parameters Enabled Minimum Frequency Hz m Maximum Frequency Ha 500 Precision G The minimum and maximum frequency axis values are used for the View Seismic Data and 3D Display options The default settings for these frequencies are zero and the Nyquist frequency 1 2A where A is the sampling rate respectively If the user wishes to change these values then check box Enable should be checked and the appropriate minimum and maximum frequencies should be specified Digits 3 Increment 0 01 Time Axis Parameters Precision 4 Digits 2 Increment 0 7 ancl The precision the number of digits and the increment for both the vertical amplitude axis Figure 2 Default GUI Settings and the horizontal time axis are used for all charts displayed within SC3 uSeis Revision 14 1 0 A BCE SC3 uSeis 2014 Seismic Data Acquisition Software 2 3 2 Sensor Type and Units The Sensor Type and Units dialog box is shown in Figure 3 The Sensor Type Specification interface allows the user to specify whether Accelerometers output proportional to particle acceleration or Geopho
39. is Nore Z trace color D E cIMenuHighlight amp trace color A clMoneyGreen component data should be Display Z Axis Rn C celow displayed Depth Range 0 00 0 00 m e Full wave options The same options exist as described Full waveform options Fwetrace color D EE Fuchsia for the axes with one additional on Fw trace color A clBlue 0 pti on Display full waveform Fi trace color L C Nelon Depth A o Absolute Value if checked then i 0 00 i 0 00 the absolute value of the full Absolute Value yx 0 waveform 1S displayed Bz Nomalce otherwise the 0 angle either derived from the Incident Angle analysis or guessed should be Figure 25 Depth Profile graphical interface box specified Revision 14 1 0 A Page 20 BCE SC3 uSeis 2014 Seismic Data Acquisition Software As previously outlined the user can automate the seismic data file naming and saving process In that case the program may be able to recognize whether and if so how the signals have been polarized Based on this information the traces will be given the colors as indicated in the graphical interface box o D for traces that are not polarized or where the filename does not meet the BCE naming convention o R for traces polarized on the right side o L for traces polarized on the left side The user can modify the seismic trace coloring scheme by selecting the appropriate color button The coloring scheme is then saved within the
40. les are stored to the hard drive as previously outlined e Stop Acquisition the user may abort the operation by pressing the Stop Acquisition push button tion Begin Acquisition Stop Acquisition Figure 10 SC3 uSeis tool bar The graphical LED next to the Stop Acquisition push button shows at all times the status Green ready to commence data acquisition Yellow waiting for trigger Red trigger occurred It should be noted that the save data file includes the following header information sample rate ms time delay ms probe depth source radial offset and source depth The Probe Depth defaults to 1 0 m and is subsequently corrected by the user as described in Section 3 4 At that time the user will also add the Source Polarization and both entries will be based on the time stamp of the acquired files e g a relatively large time stamp difference is indicative of a new probe depth 3 4 Convert to SC3 Rav File Format The data file generated by SC3 Pasi wSeis cannot be analyzed by im arge SMS Bem BCE s standard tri axial data analysis program SC3 RAV unless it has undergone a minor conversion The File menu option Convert to SC3 Rav File Format allows the user to do this When selecting this menu option the user interface as Bi cose shown in Figure 11 appears SC3 uSeis Data File C WOBS passi lt File Index 0 Depth Increment m 1 Probe Depth m 1 ASCII Binary Default The fi
41. lt YAxis X Z Axis x Filter X Overlay x FFT Display Pre T rigger 00 Fiter lt Overlay 00 ta File C WOBS ipassive seismic SC3useis 201 4 ManualiManual Data SCPTS2_O0R5_1_2013 2 42 20 PM 150 200 250 300 350 400 450 500 Frequency Hz 100 150 200 250 300 350 400 Time ms Frequency Hz 240 80 Amplitude 0 064 Data Acquisition Message N A Time ms 437 80 Amplitude 0 001 Data Acquisition Message N A Figure 20 Display of frequency spectrum of seismic time series illustrated in Figure 18 SBTC a he CSIC AANA JCI EES a Ee Trigger enabled Revision 14 1 0 A Page 18 BCE SC3 uSeis 2014 Seismic Data Acquisition Software As mentioned in Section 3 3 2 it may be necessary to time shift the recorded traces to modify to common trigger zero crossing This is done by entering the required tie shift in ms and then selecting the E button To illustrate this feature Figure 23 shows the same data as Figure 22 but with a 3 36 ms time shift The time shifted file is saved to disk by selecting button E in which case the file is saved at the same location as the original files but with the subscript SHIFTED added to the file name e g uSEISS_TRIG25_01_2014 10_15_00_362_bin becomes uSEISS_TRIG25_01_ 2014 10 15 00 362 SHIFTED bin File Utilities Window Help Figure 22 Seismic data before EJ ld x KRAxis X VY Axis Xx Z Axis Filter Overlay FFT Display Pre Trigger oo 3 36 Data File C JOBS pas
42. nalysis The zero crossing is selected as that reference point due to the fact that this is a very distinct time marker no ambiguity and can easily be adjusted e g earlier or later zero crossing if required It is of paramount importance that a common fo or time marker for the trigger channel is used throughout the SCPT profile under analysis From the above it shall be obvious that the user has to enter the following SEED algorithm event detection parameters e STA LTA Parameters Threshold Ratio the STA LTA threshold required to exceed for a trigger to be identified STA Window STA Window length specified in ms LTA Window LTA Window length specified in ms Automated STA LTA Settings if the Automated STA LTA Settings Checkbox is checked then the STA and LTA window lengths are set automatically This carried out by initially calculating an average dominant period where Tp 2 Min Frequency Max Frequency STA 85 of Tp and LTA 10xSTA e Trigger Dominant Frequencies The dominant frequencies input parameters allow the investigator to specify minimum and maximum expected values for the trigger pulse P or S wave dominant frequency Min Frequency minimum dominant frequency in Hz default value is 90 Hz Max Frequency maximum dominant frequency in Hz default value is 160 Hz It highly recommended that the investigator determine the Min Frequency and Max Frequency parameters from preliminary test and
43. nes output proportional to particle velocity are used for the downhole seismic testing DST investigation The Unit Specification interface allows the user to select whether the particle velocities and accelerations recorded are given in units of m s and m s or mm s and mm s respectively This directly depends upon the amplitude units the seismic data was stored in Sensor Type Speciication Unit Specification Geophone Figure 3 Sensor Type and Units dialog boxes 2 3 3 Full Waveform Component Specification The Full Waveform Component Specification option as shown in Figure 4 allows the user to disable or enable X Y or Z axis recordings within the full waveform calculation and analysis The absolute value of the full waveform is defined as p t VA x t B y t C z t The constants A B or C are set to either O or 1 depending on whether the related axis has been enabled or disabled This option covers the situation where there have been faulty recordings on a specific axis and the user does not want to incorporate this time series within the analysis of the full waveform within the VSP displays It should be noted that whenever SC3 uSeis is started the X Axis Y Axis and Z Axis parameters are enabled Axis OY Axis Figure 4 Full Waveform Component Specification User Interface Revision 14 1 0 A Page 5 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 2 4 Window Submenu Options Th
44. nsform of either the unfiltered or filtered seismic time series Upon selecting this option an input dialog box appears where the user specifies the seismic file to process Figure 16 shows the graphical output which appears once the appropriate seismic file has been selected At the top of this figure there are four checkboxes Filter Overlay FFT and Display Pre Trigger and option to time shift the graphical output At the bottom the numeric values of the time and amplitude at the current location of the graphical crosshair are shown If the Filter check box is selected the Filter Parameter Specification Window as shown in Figure 17 appears which allows the user to specify four different types of filters as well as the start time Figure 18 shows the graphical results after specifying a File Utilities Window Help bb AERP AM BEBO B MAE NNI P PATT NT 1 edi 0 50 00 150 200 250 300 350 400 450 Time ms Amplitude 8 875 Data Acquisition Message N A Figure 16 Main graphical interface in View Seismic Data software option Filter Selection and Specifications Bandpass Filter Parameters i 30 0 Enabled High Pass Frequency Hz Low Pass Frequency Hz 100 0 Notch Filter Parameter Motch Frequency Hz Enabled High Pass Filter Parameter High Pass Frequency Hz Enabled Low Pages Filter Parameter Low Pass Frequency Hz 100 0 Enabled Initial Time Start Time msec Enabled ban
45. outta another commuter i al ieee CrypKey Instant Demonstration This isthe configurable message box lf this were your program you can easily put your custom tailored message here You can even put YoU oven hotlink to you Web or email like this Crypkey Canada Inc salesiiicrypkey com To demonstrate the power of Crypkey Instant we have protected the familiar Calculator program This is set to give a 3 run trial automatically but you can give customers runs or time trials of any size Once the trial has expired to continue In the above window click Transfer Into Computer to complete the transfer The system displays the Continue Pending Transfer window shown in Error Reference source not found 9 Revision 14 1 0 A Page 42 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 15 Click Next in the Continue Pending Transfer window The following window appears indicating that the transfer is complete Transfer License In Step 3 of 3 16 Click Finish The License Configuration window on PC 2 appears showing that you are authorized to use it Revision 14 1 0 A Page 43
46. porated into the file name For example the C3 uSeis file uSEISS_28 01 2014 15_15_25_152 bin would be renamed as uSEISS_2_00R_28_01_2014 15_15_25_152 bin uSeis specified by the user in the Site Name edit box S S wave S or P wave P dominant source wave type 2_00 probe depth specification R source polarization right for this example 28 01 2014 day data acquired 1 e day_month_year IS 15 25 152 time data acquired 1 e hour minute sec msec bin user specified data type Revision 14 1 0 A Page 15 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 3 5 Data Stack The Data Stack option allows the user to post stack acquired seismic cone time series When selecting this option the file input dialog box shown in Figure 13 appears where the user can select the seismic files to stack The user can input multiply seismic files in this dialog box e lt SHIFT gt plus left mouse click or lt CTRL gt plus left mouse click After specifying the files to be stacked the user is asked to specify the format of the stacked data file either ASCII or Binary format as shown in Figure 14 and the directory and name for this file as shown in Figure 15 E Specify Seismic Data Files to Stack Size 181 KB mdm aam mlin 2 items selected Date modified 05 03 2013 12 29 PM Date created 05 03 2013 2 04 PM GO Perry Drilling March 52013 SCPT OSURS1_04 Raw 9 Searc
47. r Sensor trigger Implementation of the SEED algorithm Short term average long term average STA LTA event detection Automatic data gain setting Suitable for P Wave and S wave Maximized data sampling rate Ability to save trigger channel and pre trigger data to file Functionality to convert acquired seismic data into the SC3 RAV data format Option for post data stacking Bandpass high pass low pass and notch digital filters Automatic full waveform SH wave interval velocity estimates Displays of peak particle accelerations velocities and displacements VSPs with trend line estimation 3D Displays of VSP Profiles VVVVVVVVVVV VV VV Revision 14 1 0 A Page 1 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 1 2 Organization of users manual The purpose of this manual is to instruct users of SC3 uSeis in the use of the product by explaining its structure taking the user step by step through the program menus and specifying the use of interactive graphics and I O routines In addition the manual contains the following items e Appendix provides a copy of the paper entitled Passive Micro Seismic Event Detection by Identifying Embedded event Anomalies within Statistically Describable Background Noise This paper outlines the most recent formulation of the SEED algorithm e Appendix 2 provides a copy of the paper entitled Real time seismic signal enhancement utilizing a hyb
48. r transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior written permission of Baziw Consulting Engineers Ltd Although every precaution has been taken in the preparation of this manual we assume no responsibility for any errors or omissions nor do we assume liability for damages resulting from the use of the information contained in this manual Revision 14 1 0 A Page i BCE SC3 uSeis 2014 Seismic Data Acquisition Software Table of Contents Chapter 1 Hoodi Oea a A E E E E A l EL WE C E I a r E ve E ee eee aes l 1 2 Organization Of users MANUAL escena aaa at 2 Chapter 2 Main Menu and Tool Bart cccccccccccccessssesseeeceecceeaaeeseeececceessaeeesseeecesessaaeaeseeeeeess 3 2A AOO 3c bcs ce alias aa cdroot E eeasstaeoe eee lt k 3 22 BANC SUN MN CMW Opio oy nhac ecw ahs ces daca co a e 4 293 A UMAISS SUING NEO OIG eisir E cohzzeauemsesenneolaadenee 4 Zook CTA Ce SCOTS E E A E cuca A E 4 P SUS OW EY Pe NO WINES E A E A AA E E TE 5 2 3 3 Full Waveform Component Specification ccccccccsssssessecceceecceaeesseecceceeeeaueeseeeeeeess 5 24 Window Submenu CONG erasactececcecacincaenens AEE ONENE 6 29 FIC IS WING OPONIS sses E ES EE TETRA 6 Chapter 3 Seme Dita CO U1 S110 seiringan OORO EE 7 3 1 Data File Specification and A D Parameters 0 0 0 0 cceecccccccccccceeeeeeeeeceeeceeeaaeeeeeeeeeeeeeaaas 7 Dee MPO eh PA AMC UNS a ee cannn sources E E E A E E E 10 Dik TIA
49. rid Rao Blackwellized particle filter and hidden Markov model filter This paper outlines the initial mathematical details behind the SEED algorithm e Appendix 3 provides a copy of the BCE technical note entitled Passive Micro Seismic event detection by identifying quantifying and extracting frequency anomalies within statistically describable background noise This technical note concisely outlines the SEED algorithm and provides examples of the advantages of the SEED algorithm over standard frequency filtering techniques e Appendix 4 provides the user with a detailed installation procedure for this software e Appendix 5 offers the user some SC3 uSeis trouble shooting tips WARNINGS e This program requires a 64 bit Windows operating system e To ensure that the program will function properly it is important that it is installed correctly as outlined in Appendix 4 Revision 14 1 0 A Page 2 BCE SC3 uSeis 2014 Seismic Data Acquisition Software Chapter 2 Main Menu and Tool Bar 2 1 Introduction SC3 uSeis is a Windows program that facilitates the autonomous data acquisition of triaxial seismic cone SC time series data As illustrated in Figure 1 the main menu of C3 uSeis has four options e File e Utilities e Window e Help The desired submenu is chosen either by moving the mouse over the desired option and pressing the left hand mouse button by pressing function lt F10 gt on
50. rom another computer Transfer out to another computer Kall license eCheck License In eCheck License Out Revision 14 1 0 A Page 40 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 10 The system displays the following window Transfer License Out Step 1 of 2 Transfer Out enables you to transter a license trom this program to an Unlicensed copy on another computer To begin run the unlicensed copy on the remote computer select Transter License In and follow the instructions on the SCIEer When pou are ready meert the transfer floppy disk into you computer s OA dive and press Ment IF You are Using a drive other than drive A enter its path here Jas Browse Cancel 10 In the above window use the Browse button if necessary to supply the USB Flash Drive path then click Next The program reads the registration imprint file and then writes a matching file to the USB Flash Drive decrementing the license count at the source or discontinuing it if it is a single user license 11 Remove the USB Flash Drive from PC 1 and return it to PC 2 12 Resume the program on PC 2 e If you did not exit from the program in Step 5 proceed to Step 14 e If you exited the program in Step 5 the following window appears when you start the program again Transfer License In There is already a transfer in progress This means vou have alread
51. rst step is for user to select the desired data files to convert by pressing the Specify Files button after which the file input dialog box shown in Figure 12 appears Here the user can identify the file s to be converted Multiple files can be selected in this dialog box by lt SHIFT gt plus left mouse click or lt CTRL gt plus left mouse click Figure 11 Convert to SC3 Rav File Format user interface Revision 14 1 0 A Page 14 BCE SC3 uSeis 2014 Seismic Data Acquisition Software i n alls Open The first file under analysis 1S Se pb OS C JOBS gt passiveseismic SC3useis 2014 Test Data Contact 1 Search Test Data Contact then displayed under text osne Newtoie l m e Eaua A Name Date modified Type Size z heading S C3 u S els m D ata F ile neon F uSEISS_28 01_2014 15_15_25 152 bin 28 01 2014 3 15PM BIN File 235 KB Download a bi 29 01 2014 11 11 IN File 235 KB The selected data files can be Som f Bezummnnnmin amami Mn an E Recent PI z sbi 014 11 JIN File 235 KB polled forward and backward b ime e ae selecting buttons HH and HB EEE respectively The File Index im per m parameter identifies the current ae GE 5 e e H i bi 29 01 2014 11 IN File 235 KB file location index within the set 3a O_o of data files selected starts at i i 14 ae eee Dat
52. s modified 28 01 2014 3 15 PM 29 Date created 28 01 2014 3 15 PM 29 01 2014 1111 AM z Size 3 20 MB index 0 INdex Filename uSEISS_29 01_2014 11_11_ 39 163 bin uSEISS_28 01_2014 1515 25 152 bin uSEI Binary files bin x Cancel The user input parameters for menu option File Convert to Figure 12 File Convert to SC3 Rav File Format file SC3 Rav File Format are P dialog box outlined as follows e Depth Increment cone depth increment m between tests e Probe Depth the user has the option to either enter the probe depth directly or increase the current value by the Depth Increment by clicking on the cm e Save Data As the user has the option to store seismic data in either ascii or binary file formats by selecting the appropriate radio button The default filenames are aci for ASCII file formats and bin for Binary file formats Binary file formats are desirable because they typically require less memory storage while ASCII data files can easily be read into other programs The Default option saves the formatted file in the same format as the file to be converted e Polarization right R left L or no N source polarization radio buttons Once the Probe Depth Data Format and Source Polarization have been specified the reformatted file is saved to disk by selecting button EM This file has the identical file naming convention as S C3 DAC with the Probe Depth and Polarization incor
53. sive seismic SC3useis 201 4 ManualiManual DatawSEISS_TRIG25_01_2014 10_15_00_362 Shifted bin 25 30 35 Time ms Time ms 3 36 Amplitude 9 483 Data Acquisition Message N A File Utilities Window Help P Te QER NALAN B F igure 23 Seismic data after time shift of 3 36 ms H X XAxis X Y Axis X Z Axis lt Filter Overlay FFT Display Pre Trigger 3 36 Note The filter applied to the raw sensor data illustrates that with filtered data the crossing can be identified more easily Data File C JOBS passive seismic SC3useis 201 4 ManualiManual DatawwSEISS_TRIG25_01_2014 10_15_00_362 Shifted bin 15 20 Time ms Time ms 23 38 Amplitude 42 336 Data Acquisition Message N A Revision 14 1 0 A Page 19 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 4 2 Standard VSP Display When the user selects the Standard VSP T jo BCE gt SC3 DAC Pro 2013 Simulator Videos _ SCPTS6_0L1_28 2013 7 53 02 PM aci 1 28 2013 7 53 PM Organize v New folder Display option the file input dialog box m o e Favorites i y shown in Figure 24 appears The user can EE Desktop SCPTS1_0L1 28 2013 7 51 55 PM aci 28 20137 52PM AC t itil ol iw dis dial I Downloads C SCPTS1_OR1_28 2013 7 51 47 PM aci 1 28 2 M AC Input muitiply seismic ies 1n 1S d1alog 33 Recent places C SCPTS2_0L1_28 2013 7 52 02 PM aci M AC box 1 e lt SHIFT gt plus left mouse click or ane an nate i ent ee e
54. te Name is uSEIS Data Directory the default data file storage directory is selected by pressing the directory list icon Figure 6 illustrates the dialog box which appears when this icon is selected The user browses the available drives and directories and selects the one most appropriate for seismic data file storage Save Data As the user has the option to store seismic data in either ASCII or binary file formats by selecting the appropriate radio button The default filenames are aci for ASCH file formats and bin for Binary file formats Binary file formats are desirable because they typically require less memory storage while ASCII data files can easily be read into other programs The default format is Binary CiJOBS passive seismiciSC3useis 2014 E os T gt Cl E gt JOBS o gt passive seismic tee SCSuseis 2014 Eg analysis Eg Automated Analysis Eg Buttons Gq chartcre Ea data Eg Data Units ga Data Units To Be Used in useis dac 2014 4 documentation fq Event Detect Ea help a O Figure 6 Directory Selection Dialog Box x Cancel Source Wave Type S wave S or P wave P dominant source wave type under analysis The default wave type is S wave Revision 14 1 0 A Page 7 BCE SC3 uSeis 2014 Seismic Data Acquisition Software A typical file name for a seismic file saved is outlined and defined as follows uSEISS 28 01 _2014 15_15_25_152 bin uSEIS specified by the user in t
55. tial decay rate of the source wave Amplitude m s2 Oo 5 10 15 20 25 30 35 Time ms Finite Difference Source Wave Exponential Decay 140 Hz Sinusoid Figure 8 Finite difference source wave with superimposed 140 Hz sinusoid and exponential decay with rate 0 8 ms Revision 14 1 0 A Page 11 BCE SC3 uSeis 2014 Seismic Data Acquisition Software In general terms the AMS TSW is defined to be a sinusoid with a dominant frequency and phase modulated by an Amplitude Modulating Term AMT The discrete representation of the AMS source wave is given as AMS AMT sin 2m f Ak g 1 where k denotes the time index fa the dominant frequency A the sampling rate and the phase of the AMS TSW The SEED algorithm estimates on a real time basis the AMT component and the dominant frequency of the AMS A Short Term Average Long Term Average STA LTA is then calculated on the smoothed and normalized version of the estimated AMT Once the trigger channel has exceeded the Trigger level and the AMT STA LTA level has subsequently exceeded the user specified threshold 1 e parameter Threshold Ratio the system will identify an event and store the seismic data This is illustrated in Figure 9 where the top trace shows the trigger pulse embedded within a high noise environment Display Pre Trigger enabled with corresponding Pre trigger time 50 ms the blue trace the smoothed estimate of the trigger pulse AMT and th
56. y performed the initial steps of a Transfer In but chose to suspend the transfer until a later time You can choose to complete the pending transfer or start over Warming Choosing Begin a new Transter will delete the old transter information IF you have already copied a license onto the floppy disk from the old transfer that license will be lost Iri this case select Continue Pending Transter Revision 14 1 0 A Page 41 BCE SC3 uSeis 2014 Seismic Data Acquisition Software 13 The above window simply advises you that you have previously initiated a license transfer To continue this operation click Continue existing transfer in the above window The following window is displayed Continue Pending Transfer Continue Pending Transter allows you to resume a Transfer In that You have already started fou should already have copied a license on to the floppy disk via a Trangter Out from an authorized site Insert the transfer disk into Your computer s floppy dive and press Mest This should be the same disk that you used for the previous steps in the transter process IF pou are Using a dive other than drive A enter its path here Jas Browse Cancel 14 If you did not exit the program on PC 2 the program window appears as follows Protected Calculator License Configuration Frogram License Help A Ianelenta diectan Transter in from another computer Fi Manele
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