QL40 OBI and OBI40 User Guide
Contents
1. ABOX Matrix DSP based digital CCD Camera User defined 90 180 360 or 720 pixels over 360 User defined function of encoder resolution depth and time sampling modes available 24 bit RGB values Automatic or user adjustable Automatic or user adjustable Triangular RGB diagram for colour calibration gamma correction sharpness APS544 QL40 OBI Middle point of sensor located at 0 97m OBI40 Middle point of sensor located at 1 284m from tool bottom 3 axis magnetometer 3 accelerometers 0 5 degree 1 2 degree Advanced Logic Technology www alt lu 4 1 General Information Mount Sopris Instruments www mountsopris com 2 Measurement Principle 5 2 Measurement Principle The OBI incorporates a high resolution high sensitivity CCD digital camera with matching Pentax optics The CCD camera located above a conical mirror captures the reflection of the borehole wall The light source is provided by a light ring assembly located in the optical head Figure 2 1 CCD digital camera Light bulbs Conical mirror Borehole wall Figure 2 1 Optical assembly The camera CCD sensor consists of an array of light sensors each representing one pixel of the complete image Due to manufacturing limitations individual sensors have a slightly different response and calibration factor To produce a coherent image the camera processing system checks all the pixels and compensates for variations white2. Figure 4 10 Advanced settings 4 5 7 Tool Parameters Buttons e Refresh Click to refresh the settings of the dialog box e Store as default Selected settings can be saved as defaults in the sub file The default settings are the tool settings loaded during the tool initialization sequence after the tool has been powered on e Restore to default Load the default values from the sub file e Reset to factory Load the original tool settings stored in the memory of the tool during factory calibration Mount Sopris Instruments www mountsopris com 4 Operating Procedure 19 4 5 8 Tool details Obi40 Tool Details Hardware version Serial numbers _ Master o100 Tool 103813 nw CLEN Light l Lens 700803 Firmware version Frism 103521 T Master 006 Deviation Posie N Video 000 Cames 0399 vide moo Light 101535 Options Figure 4 11 Tool details window The Tool Details window lists the tool parts serial number firmware and hardware versions The upgrade option allows the user to upgrade the tool with the latest version of firmware in case modifications are made by ALT developers Click on the Advanced button to receive more tool details Figure 4 12 such as the total number of power cycles time the tools was switched on and min max temperatures measured by the tool s sensors Obi40 Advanced Details sage Power cycles EG Timer 966 min Head Temp L
3. Technical Specification 3 Telemetry 12 THead 20 Tilt 20 Tool Communication with ALT Logger 12 Tool Communication with MATRIX 12 Tool Details 19 Tool Parameters 14 Trouble Shooting 31 Upgrading firmware 28 Weight 3 White balance 16 Mount Sopris Instruments www mountsopris com Index
4. and monitor its current status The Analysis View displays the current discriminator levels vertical yellow lines and a histogram of the up hole data signal The scales of the Analysis View can be adjusted using the Vertical Scale and Horizontal Scale knobs and the linear logarithmic scale buttons The status of the configuration should be flagged as Valid indicated by the LED being green In any other case LED red the telemetry should be adjusted we assume a pulse signal is displayed in the analysis view Click on the Advanced button to display additional controls to tune the telemetry Mount Sopris Instruments www mountsopris com 4 Operating Procedure 13 The Automatic settings option is the preferred mode and should allow the telemetry to be configured for a wide range of wirelines without operator input For wirelines with a more limited bandwidth the operator might need to turn off the automatic mode and adjust the telemetry settings manually For each wireline configuration the discriminators vertical yellow lines for the positive and negative pulses must be adjusted in order to obtain a valid communication status see Figure 4 5 for an example of a suitable discriminator position There is also the option to alter the baudrate in order to optimize the logging speed The input gain can be increased long wirelines or decreased short wirelines in order to set up the discriminator levels correctly Configur ALT T
5. bottom plug must be used to terminate the string If the mid sub is used as a stand alone tool it needs a QL40 bottom plug at the lower end and a QL40 tool top adaptor at the top 3 1 QL40 stack assembly QL40 tool stacks are terminated by either a QL40 bottom sub or a QL40 bottom plug At the top of the stack a QL40 tool top is required to connect the tool string to the cable head Several tool tops are already available special ones can be made on request To assemble and disassemble the subs the C spanner delivered with the tool must be used Figure 3 1 It is recommended that before each assembly the integrity of the O rings AS216 Viton shore 75 is verified Prime the O rings with the silicon grease that was supplied with the subs C spanner Figure 3 1 C spanner and O rings of QL connection Advanced Logic Technology www alt lu 8 3 Notes on QL tool assembly The following example of a QL40 ABI QL40 GR and QL40 GO4 Figure 3 2 describes how to replace the QL40 ABI with a QL40 Plug in order to run the QL40 GR sub stand alone QL4O GO4 _ __ or tool top QL40 GR QL40 ABI Figure 3 2 Tool stack example To remove the QL40 ABI bottom sub attach the C spanner to the thread ring as shown in Figure 3 3 unscrew the thread ring and remove the QL40 ABI bottom sub Thread ring Figure 3 3 Unscrewing the thread ring and removing the bottom sub Mount Sopris Instruments www mountsopris com 3 Note
6. installed in a tool may be verified in the Tool Details window opened from the Tool Settings dialogue box Firmware upgrade procedure is as follows 1 Checking the communication is valid 2 Upgrading firmware 6 2 1 Checking the communication 1 Connect the OBI tool to your acquisition system Start ALTLog Matrix software In the Tool panel select the appropriate tool and turn the power on In the Communication panel select Settings Check baud rate is set to 41666 and communication status is valid a ae Mount Sopris Instruments www mountsopris com 6 Maintenance 29 Configur Tool Telemetry Uphole Link Downhole Link Baudrate es ba 5 al Reset to default Discriminators Pulse width Store as default 7 Figure 6 4Too communication settings ALTLog Configur ALT Telemetry Analysis Info Vertical scale Horizontal scale Configuration Done one Baudrate 41666 ee __ Advanced gt gt Figure 6 5 Tool communication settings Matrix Warning Telemetry must be tuned properly Bad communication may abort the upgrade of the firmware 6 2 2 Upgrading the firmware In the Tool panel select Tool settings commands Check that the communication status is valid 1 Click on Tool Details Note that the firmware version currently in use is displayed in the firmware box Click on the Upgrade button 2 The following message will appear Figure 6 6 Click Yes to validate your choice Jazz l
7. tool configuration file The configuration returned by the tool is also checked during this procedure Setup the tool communication as explained in chapter 4 2 if an error message is displayed 4 Onthe Tool panel Figure 4 1 click the Settings Commands button to configure your tool see chapter 4 5 for details 5 Inthe Acquisition panel Figure 4 2 select the sampling mode depth or time Click on Settings and specify the 2 gt G OF corresponding sampling rate Switch on the sampling click EN the ON button 6 Press the Record button in the Acquisition panel Figure 4 2 specify a file name and start the logging Figure 4 2 Acquisition panel 7 During logging observe the controls in the Telemetry panel 5 5 Figure 4 3 i Status Valid e Status must be valid green light RE EA e Bandwidth usage in green range Memory buffer e Memory buffer should be 0 Data sec Data _ Errors e Number of Data increases and number of Errors negligible Figure 4 3 Telemetry panel 8 Toend the logging procedure press the Stop button in the Acquisition panel and turn off the sampling click OFF button 9 Inthe Tool panel power off the tool Advanced Logic Technology www alt lu 12 4 Operating Procedure 4 2 Tool Communication with ALT Logger The telemetry provided through the ALTLogger is self tuning In case communication status is not valid the user can manually adjust the settings In the
8. 13 4 5 Configuring TOO Parameters ceeccccssseccccesscccceusecceceueceeseesecessuecessueceesegeeeetes 14 ASA Lignit Levers Lent oua E N seeereantenteeeteuews sated 14 4 5 2 Azimuthal resolution Pt tUrNn eseeenssennsesensssereseserssssereseserosssreseserossereseseresseses 14 AS CUMIN CO 5 sores ada alone teas se ciet ute ae dvclacheaecaccaaaronde eas apuaseceuemeativandes 15 AS CAFOMININCE serinin r E E O eae 16 45 5 MWIREDIl INCE rn s E S A ugar NTS 16 4 5 6 Advanced Settings sareno a N A N 18 45 7 TO lParameters BUON S eei T E 18 ASG TOOkRdEtIlS mno E N 19 4 6 Recorded Parameters Processors and Browsers cccceecesscscesceeceeceeseeseeseeseuseess 20 461 R cordedparamete Saorisauna a a A a ees 20 462 QOIAOIME BrOWSET srera a re T E E EO O A 20 462 MCANUM BROWSER socii cocnecuetiainddenetieadnendeeaeesansidevan aeaa vauedaeeetdiaeeas 22 Performance Check amp Calibration ccssciccsscstcesvicneteeticcetessicctnceetbaseiabaacetegecadacuhecatsecetecaseuss 23 5 1 Testing Tne Deviation Syste Mirsriaseice ean Tei nir EA EATE aE 23 5 2 Rolling Test Azimuth And Tilt Check ccccsssscsesssccessscecssscesseceesssenenssenenssens 23 5 3 Marker POSON cara A 23 Maintenant Essien E A E A EE E 27 6 1 Changing the Lent BUID Sociu aN E NEN 27 6 2 Upgrading OB FirmwWwoal e nesia S ae 28 621 CHECKINE the COMMUNICATION assist aa a a e 28 7 8 6 2 2 Upgrading the firmware ccccccccssscccc
9. Telemetry panel of the dashboard click on Settings to display the Configure Tool Telemetry dialog box Figure 4 4 A procedure to achieve valid communication is given below e Change the Baudrate to 41666 kbps e Verify that the Downhole Pulse width knob is set on 20 default value This value is the preferred one and is suitable for a wide range of wirelines For long wireline over 2000m increasing the pulse width could help to stabilize the communication The reverse for short wireline less than 500m e Set the Uphole discriminators in the middle of the range for which the communication status stays valid e Increase the Baudrate check the communication status stays valid and the Bandwidth usage in Telemetry panel of the dashboard is below the critical level e When Uphole discriminators are properly set store the new configuration as default The tool should go through the initialisation sequence the next time it is turned on Configur Tool Telemetry Uphole Link Downhole Link Done Baudrate 200000 Reset to default Discriminators 2 Pulse width 2 Store as default 1 oo 5 4 9 6 Figure 4 4 Tool communication settings 4 3 Tool Communication with MATRIX The tool telemetry can be configured through the Telemetry panel of the Matrix dashboard By clicking on Settings the operator has access to the Configure ALT Telemetry dialog box Figure 4 5 providing various controls to adjust the telemetry settings
10. User Guide QL40 OBI and OBI140 Optical Borehole Imager Advanced Logic Technology Advanced Logic Technology sa Bat A Route de Niederpallen L 8506 Redange sur Attert Luxembourg Phone 352 23 649 289 Fax 352 23 649 364 Email support alt lu Web www alt lu Mount Sopris Instruments Co Inc 4975 E 41st Ave Denver CO 80216 USA Phone 1 303 279 3211 Fax 1 303 279 2730 Email tech support mountsopris com Web www mountsopris com v11 04 05 Table of Contents 1 2 3 4 General INfOrMatiOn sses a i aaia 1 1 DIMENSIONS e E EAE T N 2 1 2 Technical Spechicao Nrs N N 3 Meas rement Principle eid hccecihsccecvecscdcacsswinedtatvcdessceseivadeasvccercsuneesanawendeeeecueetsevawsedtedeieeave Notes on QL tool assembly sessesesessssssesesssseoecssssosoeossssseoecesseososossssoesecesssssossesesseossssseseo 3 1 OUEAO STACIKASS CLOW see sacecevelet sie widcacticiedaincensiuetuntdeetnhehedtnstaites cascuinn sncituta nad eamndeny 7 Operating Procedure s ssssssesesessesececsssesesesssosoecsssososcesesssosossesssoesesssssoececesosoessssesececeese 11 4 1 QUICK Stal oraaa a a 11 4 2 Tool Communication with ALT Logger ssessesssesreressereerresreosseresreesreoseeresreesseersseee 12 4 3 Tool Communication With MATRIX ccccccsssssccecceeeesececeeseeeeceeesseeeeeceesseaeeeeeeeeeas 12 4 4 SOOT COUIENAIIZ ETS a T T
11. b file Advanced Logic Technology www alt lu 26 5 Performance Check amp Calibration Mount Sopris Instruments www mountsopris com 6 Maintenance 27 6 Maintenance The OBI optical televiewer is a delicate instrument and should be treated with care at all times Excessive shock or temperatures should be avoided and the tool should always be carried in its transport case or a similarly cushioned enclosure Never support the tool on its optical head that is the weakest part of the tool and be particularly careful to avoid scratching the optical window Scratches on the window will result in a loss of image quality Warning Removing the electronic chassis from pressure housing without prior consultation with ALT will void the tool warranty 6 1 Changing the Light Bulbs To repair a faulty light bulb it is necessary to remove the optical assembly from the camera pressure housing Power is transferred from the main electronic chassis to the light ring circuit in the optical assembly by means of spring contacts connecting with two contact pads on the light ring circuit board This means that to gain access to the light ring the optical assembly can simply be unscrewed from the camera pressure housing The procedure is described below Image Window Light Window Figure 6 1 Optical assembly amp camera pressure housing Grip the optical assembly by hand close to the steel pressure housing and unscrew in an anti clock
12. balance The displayed log image is derived from a single annulus extracted from the total pixel array Figure 2 1 Azimuthal resolutions available are 720 360 180 and 90 points per recorded circle By using processed camera data in combination with deviation sensor data the tool can generate an unwrapped 360 oriented image Advanced Logic Technology www alt lu 3 Notes on QL tool assembly 7 3 Notes on QL tool assembly The following explanations are only valid for the QL40 OBI tool OBI40 users can skip this chapter QL stands for Quick Link and describes an innovative connection between logging tools subs allowing to build custom tool stacks QL40 describes a specific family of logging tools Each sub is equipped with its own Telemetry board Power supply element and A D converter allowing an operation as stand alone tool or as a stack in combination with other subs of the QL product family The QL40 probe line deals with two types of subs Bottom Subs and Mid Subs Bottom Sub A bottom sub is a tool that must have one or more sensors located at the bottom It can be operated in combination with other QL subs connected to the top but it is not possible to connect another sub below When used in stand alone mode the bottom sub only needs a QL40 tool top adaptor which fits the cable head Mid Sub A mid sub is a tool that can be integrated anywhere within a stack of tools When used at the bottom of a tool string a QL40
13. chrominance with a range from 0 100 0 means black amp white image 50 means normal color and 100 means colors are exaggerated by a factor of 2 The default setting is 5 0 Normal The default chrominance level should be used while testing with the color verification jig In practice the chrominance setting may be adjusted while logging to achieve the optimum color output Certain color exaggeration i e gt 50 enhances the subjective appeal of the image As a guide the level needs to be lowest in a dry well situation where the walls of the borehole may be wet causing bright reflection of the source lighting Underwater the source light is dispersed and there is little reflection so the chrominance may be increased to say 60 This is a matter of experimentation in different borehole conditions Configur Obi40 XC555 Tool Parameters x Luminance Chrominance Advanced 180 Done 30 360 White balance Chrominance Refresh 0 TAn Mode IREDEERGIS Preh Normal Reset to Factory Putun amp Reset to default Ea n Store as default Or Tool Details 0 0 Light Suggest No Status Valid Preview Figure 4 8 Chrominance and White balance manual adjust 4 5 5 White balance The white balance controls the ratio between the 3 main colors red green blue In other words the white balance calibrates the white color of an object or image The whit
14. de detailed oriented structural and geological information Possible applications are e Fracture detection and evaluation e Detection of thin beds e Bedding dip e Lithological characterization e Casing inspection Please note Throughout the manual we will refer to both versions of the tool when using the term OBI Advanced Logic Technology www alt lu 1 General Information Dimensions 1 1 2 770 62 087 1228 Optical sensor reference Deviation sensor reference QL40 OB Figure 1 1 QL40 OBI and OBI40 overview Mount Sopris Instruments www mountsopris com 1 General Information 1 2 Technical Specification Tool Diameter Length Sensor position Measurement range Weight Max Temp Max Pressure Cable Cable type Digital data transmission Compatibility Optical Sensors Camera Azimuthal resolution Vertical resolution Color resolution White balance Aperture amp Shutter Special functions Orientation Sensor Sensor Location Orientation Inclination accuracy Azimuth accuracy Max 42mm 1 65 QL40 OBI 1 228m 48 35 OBI40 1 577m 62 06 40mm 1 57 from the bottom 0 05m 2 to 0 53m 21 depending on water and borehole conditions QL40 OBI 4 9kg 11 Ibs OBI40 5 9kg 13 Ibs 50 C 122 F 200bar Mono Coaxial 4 or 7 conductor Up to 500 Kbits per second depending on wireline ALTlogger
15. e color is the most difficult to achieve under artificial lighting as the one used during logging operation The camera XC555 allows four modes of operation for White Balance Manual Fixed 3200K Fixed 5600K and Continuous auto adjust For normal borehole applications the Manual mode is the preferred mode It gives user complete control over white balance by means of a triangular diagram The white balance adjustment must be done in 2 steps using the calibration jig provided with the tool 1 Mount the calibration jig from the tool top and position the calibration jig as shown below in Figure 4 9 The white balance is calibrated in ALT premises before delivery of the equipment Calibration is stored in the tool s memory EPROM as factory settings Mount Sopris Instruments www mountsopris com 4 Operating Procedure 17 3 22105 yva d Figure 4 9 Color calibration jig 2 Inserta white target i e verso of the color chart Close the cap so no external light can enter the box and power on the tool Set the luminance in automatic mode and adjust the light level to have a sufficient lighting 3 Click the Suggest button The camera will calibrate the white balance 4 Check the camera status If the status message says exposure is too low repeat the procedure using a higher light level and modify the luminance accordingly 5 Verify the image in the preview window The color should be close to white slightly grayi
16. elemetry Analysis Info Vertical scale Horizontal scale Configuration Done Valid Baudrate 41666 Input Gain Uphole Telemetry Downhole Telemetry Negative Diser Positive Discr Pulse width 6 3 4 T 3 IV Automatic MV Automatic V Automatic Figure 4 5 Matrix telemetry settings Once the telemetry is correctly set store the new settings as default The tool should go through the initialization sequence in Valid status the next time the power is turned on 4 4 Use of centralizers Optical televiewer image quality is highly dependent upon tool centralization One set of centralizers is supplied with the OBI that is suitable for all tools with an external diameter of 40mm The standard assembly comprises upper and lower mounting rings with sets of 3 5 and 6 bowsprings Two C spanners are provided for tightening the locking ring Bowsprings for other borehole diameters are available on request The following points relating to the use of centralizers should be considered The centralizers should be fitted before mating the tool with the wireline cable head and should always be fitted from the cable head end to avoid damaging the optical window In case magnetic centralizers are used the ALT centralizers are non magnetic avoid mounting a centralizer over the deviation sensing point which is located in the middle of the roughened area on the pressure housing The compression ring of the central
17. essccccesececeeseceeeeeeceeseusecessuecesseecessenes 29 MPOUDICSHOOUING eseon ier tetneeteiosesunnatene sagegudede oases dame see dadennewaxesetestie PDD ONGIK acisindan a E EE sersnedbacevaneel Semana tnwsanedaewsndcounSeence 8 1 PCS SE saucer etisneia E setae eaten cee tered peo sateen cece sed neuen E E E E 33 8 1 1 Tool delivery kit QL40 xxx ref 209 016 ccc ceeeccseeeceeeeseseesseseeesesenevenenes 33 8 1 2 Spare parts kit QL40 OBI ref 209 013 oo ecccccessecceeeseceeeeseceseeeeceeeenens 33 Sales POUNCE DANS 4s pari T T a aT 33 1 General Information 1 1 General Information The QL40 OBI and the OBI40 Optical Borehole Imagers are advanced slimhole logging tools designed for the optical imaging of the surface wall of open and cased wells either in air or clear water The QL40 OBI tool is supplied as a bottom sub of the Quick Link QL product line and can be combined with other QL40 tools to form a tool string or it can be runasa stand alone tool The OBI40 is the standalone non stackable version Designed to complement the ALT Acoustic Televiewers ABI in dry well situations the tools operate with the ALTLogger and Matrix logging systems They can be run on any standard wireline mono 4 or 7 conductor coax The optical televiewer is fully downhole digital It includes a high precision deviation sensor APS544 allowing accurate orientation of the image and borehole The purpose of the optical imaging tool is to provi
18. graphy An amplification of the pixels sensitivity will be applied Note that this may result in an alteration of the image grainy appearance Option available in Manual mode only Exposure This option available in Automatic mode allows adjusting the camera to the exposure of the borehole wall to the given light level By experience in borehole conditions the exposure level must be set in the middle between the Under and Normal exposure position as the rocks are usually dark If the rocks are bright and reflect the light very good the settings can be set between Normal and Over For normal operation we recommend the automatic mode The manual mode will be used in adverse and in very low light conditions when the maximum light level is not sufficient to distinguish wall features In such conditions the gain must be increased and the shutter time set to 1 50 sec Configur Obi40 XC555 Tool Parameters l x Luminance Chrominance Advanced 180 Done 90 360 0 DX m Mode Manual Refresh Gand Shutter Reset to Factory tt It Putun 8 10 150 pa 6 iz Store as default 40 60 4 C 14 100 200 Bs 16 20 C 80 a r Tool Details 0 0 Gain dB Shutter Light Vaid Preview Figure 4 7 Luminance in manuel mode Advanced Logic Technology www alt lu 16 4 Operating Procedure 4 5 4 Chrominance The Chrominance control knob sets the level of
19. izer i e the one that is screwed tight should always be fixed toward the top end of the probe This is to avoid catching on a downhole obstruction when winching up Advanced Logic Technology www alt lu 14 4 Operating Procedure Use the C spanner to fasten the fixing rings but take care not to cross thread or over tighten them as this could damage the pressure housing The weak point of the bowsprings is the welded bearing pin Take care during assembly as the weld can be broken by reverse bending 4 5 Configuring Tool Parameters The camera XC555 allows the control of Azimuthal Resolution Light Level Chrominance and other advanced settings The Tool Settings dialog box for the OBI40 XC555 camera is shown below Figure 4 6 It can be accessed by clicking the Settings Commands button from the Tool Panel Changes and effect of new settings on the image are displayed in real time in the Preview window Configur Obi40 XC555 Tool Parameters j x Luminance Chrominance Advanced 180 Done 90 360 0 iy Mode FUISIIEIte Refresh Exposure Reset to Factory Pt turn Normal Reset to default Store as default Tool Details m Preview Figure 4 6 Tool settings dialog box automatic mode 4 5 1 Light Level Light Light settings are available from 0 100 Underwater the normal settings are generally between 40 and 100 In a dry well never set the light le
20. o that the pin is over the optical window The second jig is used to support the other end of the tool With the tool on a flat and exactly level surface held in the two support jigs and the MchNum browser running rotate the tool until Roll 90 Figure 5 3 In this position the Y identification mark on the pressure housing will be at the top F LOGGER mchnoum jox Fol E no EBERT Tit N Mao Fiela Tu Azimuth 83 4 deg Gravity 1 9 E 543159 44 154 1 LOGGER Figure 5 3 MChNum browser window should show Roll 90 deg for Marker Position evaluation Verify that you can clearly identify the edge of the jig pin in the OBI40Img browser window If in doubt put something colored beside the correct edge and record a data file E Marker Posinon ORWIG i 1 1 2 1 3 1 4 1 5 i i Time Tool lmage 1m 50s 0 90 180 270 0 Figure 5 4 WellCAD window showing jig pin Mount Sopris Instruments www mountsopris com 5 Performance Check amp Calibration 25 Record a file in time mode using the higher azimuthal resolution 720 Import the data file into WellCAD or use the WellCAD Browser Figure 5 4 Ensure that no orientation is set for the image The angular position of the pin edge can be read off the status bar by selecting the log and positioning the cursor on the right edge of the image of the pin It is this value which must correspond to the marker position parameter of the su
21. ogging system This will upgrade the OBI tool internal Firmware using manufacturer supplied eprom image Improper use of this procedure may cause non recoverable tool malfunction Are vou sure vou wank bo proceed Figure 6 6 Warning Message during firmware upload 3 Select and open the appropriate hex file provided The upgrade will start 4 During the upgrade procedure the following message is displayed Advanced Logic Technology www alt lu 30 6 Maintenance Frimware Upgrade Tool firmware i curently beeing upgraded PLEASE ALLOW PROCEDURE TO GO TO FULL COMPLETION WITHOUT INTERRUPTION This may take a few minutes Figure 6 7 Firmware upgrade progress window 5 Once the upgrade has been successfully completed click on OK to turn off the tool Matrix lopping system 1 The tool firmware upgrade has been completed successfully The tool power will now be switched off OK Figure 6 8 Successful upgrade 6 Power on the tool to start the upgraded firmware Check in Tool settings commands and Tool details that the firmware version has been changed with the new one Note that the following error message Figure 6 9 will appear at the end of the procedure when the tool firmware upgrade has failed or has been aborted Verify the tool communication settings in this case Matrix logging system The bool firmware upgrade has Failed or has been aborted with status 4 No changes to the tool has been perf
22. ormed Telemetry errors while uploading the new Firmware to tool Ok Figure 6 9 Error message Mount Sopris Instruments www mountsopris com 7 Troubleshooting 31 7 Troubleshooting Observation Tool not listed in Tool panel drop down list Tool configuration error message when powering on the tool Tool panel No current Tool panel Too much current red area Telemetry panel status shows red Telemetry panel memory buffer shows 100 Telemetry panel bandwidth usage shows 100 Overrun error message Telemetry panel large number of errors To Do Do you have a configuration file Has the configuration file been copied into the Tools folder refer to logger manual about details of the directory structure Check all connections Adjust the telemetry settings for your wireline configuration see chapter 4 2 or 4 3 and store the new settings as default Apply the appropriate tool settings for your logging run see chapter 4 5 Verify that the wireline armour is connected to the logging system Test your interface cable between winch and data acquisition system Verify cable head integrity Verify voltage output at the cable head it should be 120V Immediately switch off the tool Possible shortcut voltage down current up Check for water ingress and cable head integrity wireline continuity Verify the interface cable between winch sli
23. ow 14 375 cB Temp High 45 5 C Deviation device Temp Low 13 09 JE Temp High 2905 T Figure 4 12 Advanced details dialog box Advanced Logic Technology www alt lu 20 4 Operating Procedure 4 6 Recorded Parameters Processors and Browsers 4 6 1 Recorded parameters Besides the image the following data channels are recorded by the tool Temp Temperature at tool bottom C Azimuth Azimuth from Magnetic North deg Tilt Inclination from verticality deg Roll Tool relative bearing calculated from accelerometers deg MRoll Tool relative bearing calculated from magnetometers deg MagnField Magnetic field surrounding the borehole uT Gravity Absolute value of the Earth gravity g TAPS Temperature inside the deviation sensor C 4 6 2 Obi40img Browser A real time 360 unwrapped image is displayed in the OBI40 image browser window Figure 4 13 This browser has control buttons for choosing the system of orientation time or depth mode depth scale grids and printing ALBIREO OB140Img File Edit View Help F Ready 29 10 la94 147 ALBIREO E 24 15 20 20 29 25 29 30 70 46 29 40 249 45 24 50 29 55 29 60 29 65 29 70 29 75 29 80 29 85 Figure 4 13 OBI40 image browser Mount Sopris Instruments www mountsopris com 4 Operating Procedure 21 Image orientation pe Image is non oriented tn Orient image to magnetic Nor
24. p ring and data acquisition system is not loose at the connectors Check for possible source of a shortcut If the above shows no issues use test cable provided by ALT to verify tool functionality If the problem still occurs please contact service centre Verify the telemetry settings for your wireline configuration see chapter 4 2 or 4 3 If problem cannot be resolved contact support alt lu Indicates that the systems internal memory buffer is full PC can t receive incoming data streams fast enough Ensure your PC has enough resources available Set the baudrate to highest value allowed by your wireline configuration Reduce logging speed decrease azimuthal resolution and or increase vertical sample step Verify the telemetry settings for your wireline configuration see chapter 4 2 or 4 3 Check bandwidth usage and telemetry error status Advanced Logic Technology www alt lu 32 Mount Sopris Instruments www mountsopris com 7 Troubleshooting 8 Appendix 8 Appendix 8 1 Parts list 33 8 1 1 Tool delivery kit QL40 xxx ref 209 016 Item No Qty Part No Description 1 1 210 002 Silicone grease Molykote111 2 2 211 004 C spanner 40 42 QL40 43 3 6 AS215 V 75 Oring V 26 57 x 3 53 75 4 1 210 003 Grease Lubriplate LO034 086 8 1 2 Spare parts kit OBI ref 209 013 Item No Qty Part No Description 1 2 25235001 5mm 7111 4 Filament bulb 2 5 25340642 O Ring Viton sho
25. re 75 26 57x3 53 3 4 25332006 M 4x6 Hex cap screw A2 DIN7854 8 1 3 Other parts Item No Part No ALT 26312 A ALT 26074 A ALT 26310 A ALT 26084 ALT 26079 Mm Bi WIN amp Description QL40 Go1 tool top QL40 Go4 tool top QL40 Go7 tool top QL40 MSI tool top QL40 bottom plug Advanced Logic Technology www alt lu 34 Mount Sopris Instruments www mountsopris com 8 Appendix Index Index ALT Logger 12 Automatic mode 15 Azimuth 20 Azimuth accuracy 3 Azimuth And Tilt Check 23 Azimuthal resolution 14 Baudrate 12 bottom sub 7 Centralizers 13 Chrominance 16 Deviation System 23 Diameter 3 Dimensions 2 discriminators 12 Downhole Pulse width 12 Exposure 15 firmware 28 Gain 15 Gamma correction 18 General Information 1 Gravity 20 Inclination accuracy 3 Length 3 Light Bulbs 27 Light Level 14 Luminance 15 Magn Field 20 Marker Position 23 MATRIX 12 Max Temp 3 Max Pressure 3 MChNum Browser 22 Measurement Principle 5 Measurement range 3 mid sub 7 Mroll 20 Obi40Img Browser 20 Operating Procedure 11 Parts list 33 Performance Check amp Calibration 23 QL 7 QL tool 7 Quick Start 11 Recorded Parameters and Browsers 20 Refresh 18 Reset to factory 18 Restore to default 18 Roll 20 35 Advanced Logic Technology www alt lu 36 Rolling Test 23 Sharpness 18 Shutter 15 stack assembly 7 Store as default 18 TAPS 20
26. s 5 2 Rolling Test Azimuth And Tilt Check Azimuth and tilt can be tested by rotating the tool about its long axis while maintaining both a constant inclination to the vertical say 15 and a fixed azimuth The data imported into WellCAD should show a deviation of the azimuth less than the limit of 2 5 and a deviation of the tilt less than the limit 0 5 5 3 Marker Position The image sampled by the camera in the OBI must be correctly oriented to correspond with the positional information from the magnetometers and accelerometers The marker position is the angular value between the reference point which is the negative Y axis of the deviation sensor see identification mark on the tool pressure housing and Figure 5 1 and the first trace recorded by the tool Advanced Logic Technology www alt lu 24 5 Performance Check amp Calibration Tool top Tool bottom Figure 5 2 Marker Position Jig To check the marker position two support jigs are needed one square and one a half square in section as shown in Figure 5 2 and each having a 40mm diameter hole centered on the intersection of the vertical and horizontal centre axis The square section jig must have a square or rectangular pin mounted on it with one edge of the pin at a radius of 28mm from the centre of the hole and on a radial vertical axis of the hole when the jig is placed on edge Slide this jig from the cable head end of the tool down to the optical head s
27. s on QL tool assembly 9 After checking the O ring integrity slip the QL40 Plug over the exposed QL connector Figure 3 4 attach the C spanner and screw the thread ring until the plug fits tight Bottom plug Figure 3 4 Attaching the QL40 Plug The QL40 GR can now be run stand alone Figure 3 5 Figure 3 5 QL40 GR mid sub with tool top and bottom plug Advanced Logic Technology www alt lu 10 3 Notes on QL tool assembly Mount Sopris Instruments www mountsopris com 4 Operating Procedure 11 4 Operating Procedure Note Parts of the topics discussed in these sections below assume that the user is familiar with the data acquisition software Refer to the corresponding operator manuals for more details Information about assembly and configuration of tool stacks can be found in the same manuals 4 1 Quick Start 1 Connect the tool to your wireline and start the data acquisition software 2 Select the relevant OBI tool from the drop down list Figure 4 1 in the software s Tool panel if your tool is not listed check that your tool configurations file is stored in the designated folder on your computer Settings Commands 3 Inthe Tool panel switch on the tool click On button and verify that the power indicator shows a valid green level Figure 4 1 Tool panel The system goes through a short initialization sequence which sets the default parameters and communication settings held in the
28. sh due to the artificial yellow light Adjust the cursor in the RGB triangular diagram if necessary Store the new camera configuration as default 6 Insert the color chart in the calibration jig Close the cap Verify the appearance of colors in the preview window Adjust the chrominance and light level if necessary Note In case of wrong settings the user has the possibility to load the original white balance calibration stored in the memory EPROM of the tool Click on Reset to factory to load the original tool parameters Advanced Logic Technology www alt lu 18 4 Operating Procedure 4 5 6 Advanced Settings Sharpness is set by default to 100 max position Gamma correction should be set to On The human eye does not recognize the theoretical centre of the Red Blue and Green colors as it should normally be in a triangular diagram For some reasons the human eye is more sensitive to the green color The gamma correction factor displaces the theoretical centre of RGB colors close to the one defined by the human eye This option allows an improvement of the perception of the true colors Configur Obi40 XC555 Tool Parameters E x Luminance Chrominance Advanced 180 Done 90 360 Sharpness o 720 Refresh MV Gamma correction Reset to Factory RA t Petun eset to default Store as default 40 60 20 C 80 Tool Details 0 0 Light Valid m Preview
29. struments www mountsopris com 5 Performance Check amp Calibration 23 5 Performance Check amp Calibration 5 1 Testing The Deviation System The OBI deviation system is factory calibrated and does not require further calibration except the determination of the marker position see below Z Mark on tool housing Tool top X Tool bottom APS544 Figure 5 1 Deviation sensor reference axis system The functionality test described hereafter has to be executed to check that the tool is giving the correct deviation outputs To check Roll and Tilt outputs place the probe on a flat surface with the Y mark engraved on the tool housing pointing up Y axis of the coordinate system is pointing down Figure 5 1 Verify that the Roll and Tilt outputs are as follows Roll 90 0 5 Tilt 90 0 5 Next roll the probe counterclockwise looking towards the tool bottom about its X axis in increments of 90 and verify that for each position the roll angle increments in succession to 0 270 and 180 while the tilt remains 90 0 5 To verify inclination at 0 and 90 position the probe that the X axis is pointed down 0 inclination and horizontal 90 To verify azimuth accuracy a good compass and an area free from magnetic materials should be used Use a compass to orient the probe horizontal and North and verify that the azimuth reading is 0 1 Repeat the procedure for East South and West direction
30. th Orient image to High Side of the tool There are two modes of tool data orientation Orientation to High Side and orientation to North Figure 4 14 Orientation to High Side is used in inclined boreholes when magnetic data is unavailable for example in a cased hole we Azimuth R E N z i Pa N SSS e N ee Se a SS A oe i a A q i A a e g Tilt Figure 4 14 Orientation to Magnetic North Vertical scales and grids 14 Depth mode display and pre defined depth scales 20 40 50 Operator defined depth scales interval spacing and settings Time mode display a e x Vertical grid settings iil Horizontal grid settings Advanced Logic Technology www alt lu 22 4 Operating Procedure 4 6 2 MChNum Browser Figure 4 15 shows a typical example of the numerical values displayed in the MChNum browser Roll MRoll Tilt Magn Field Azimuth Gravity Temp 15 x Mag Field Azimuth EY aE deg deg deg uT deg Gravity E C Temp 543159 44 154 f LOGGER Figure 4 15 MChNum browser Tool relative bearing calculated from accelerometers deg Tool relative bearing calculated from magnetometers deg Inclination from verticality deg Magnetic field surrounding the borehole uT Azimuth from Magnetic North deg Absolute value of the earth gravity G Tool internal temperature cpu board C Mount Sopris In
31. vel higher than 80 as the light system may overheat and this may cause the melting of the optical window In normal dry well conditions depending upon borehole wall color and reflectivity 60 might be an average A temperature sensor is implemented in the optical section of the tool Temperature of the light window can be now checked by the operator Temperature readings are recorded in real time and displayed in the MChNum browser window 4 5 2 Azimuthal resolution Pt turn Sampling resolutions available are 720 360 180 and 90 points per sample annulus 0 is provided to enable rapid logging speeds when the tool is run for deviation alone Mount Sopris Instruments www mountsopris com 4 Operating Procedure 15 The default sampling is at 360 points per recorded circle The lower the resolution selected the faster is the logging speed Experience shows that good results are obtainable with a resolution of 180 points 4 5 3 Luminance The luminance is controlled by 3 main parameters affecting the brightness and contrast of the image Shutter Aperture The shutter controls the aperture time of the camera option available in Manual mode only The longer the aperture time the more light reaches the sensor and the more sensitive the camera is in low light conditions Fixed shutter speeds range from 1 50 to 1 250 seconds Sensibility of the pixels Gain The sensibility may be compared in some way with the ASA concept in photo
32. wise direction when viewing the tool from the bottom end Never use tools to hold the optical assembly however the main tool pressure housing may be clamped in a vice to make the operation easier when the threads of the optical assembly are tight after long use Grip the optical assembly at the Light Window Figure 6 2 Unscrewing the optical assembly Advanced Logic Technology www alt lu 28 6 Maintenance When removed the optical assembly is as shown below The light ring can now be removed from the assembly see Figure 6 3 Figure 6 3 Optical and light ring assembly With the light ring removed faulty bulbs can be replaced Notes e Light bulb rating is 14V 40mA 5mm T1 Do not use any bulb with a higher current rating as it will melt the plastic e The sense of the filament bulb wires is not important e The clearance is small so verify that the new bulb fits into the optic before soldering If necessary a tight bore can be cleared using a 5mm diameter drill bit or reamer e Insulate one lead of the bulb to prevent a short circuit between the leads e Be careful when polishing the optical assembly Some chemicals may be too aggressive and can cause damage sometimes occurring after frequent use Contact your supplier for recommended cleaning products 6 2 Upgrading OBI Firmware In accordance with the ALT policy of continuous development the OBI has been designed to allow firmware upgrades The current version of firmware
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