QC seismic software
Contents
1. RadExPro seismic software RadExPro Radi software The RadExPro is a friendly and easy to use software on Windows for comprehensive and efficient processing of seismic data The installation process is easy and straightforward The software does not have any specific requirements to the hardware It runs smoothly on just ordinary laptop or desktop computers All standard algorithms of seismic processing are included Moreover some innovative highly efficient routines available in the RadExPro are not always present even in big processing systems In the year 2012 we have implemented a number of updates and improvements aimed to help you working more efficiently and delivering faster These include completely renewed Screen Display module that is turned now into a powerful interactive tool for fast data display and analysis New interactive modules for assigning geometry to near surface onshore and offshore data make this process really fast and intuitive Joint inversion of the fundamental and higher modes of Rayleigh wave in the MASW module together with different methods of dispersion comprehensive processing of near surface seismic data VSP data processing field processing and QC of 2D 3D seismic data on Windows imaging ensure more reliable and accurate result Algorithms of spectral whitening F X deconvolution frequency dependant noise attenuation and others give you2. Feel like you need more control Carry out all processing stages manually Create composite time curves level reciprocal times analyze velocities and time depth functions and build refraction boundaries enjoying full control over the result at every single stage Refraction swfaces Imwersion Help Er a a P Automatic invenion FS Recalculate gnd Composta travel tire cuna Befraclion surfaces Tirra curen coe er ii a TmT So AT ORL ken Export the Na layered model of the subsurface to ASCII or DXF Multichannel Analysis of Surface Wave MASW A dedicated module for Multichannel Analysis You may want to see the data in the Screen of Surface Wave MASW available in the Display to analyze apparent velocities RadExPro provides means for easy and spectrum and if you like define horizons competent evaluation of S wave velocities of for muting ee Pick fe cist botlom_mute m 2 ry n_ 5 gt THT i v Joint inversion of fundamental and 4d 1546 higher modes unlimited number of d LSD N by modes allowed the subsurface V Compatible with any 2D geometry Y FV and FK dispersion images calculated independently you get the best of both i a Y Exceptionally user friendly design you will enjoy it Input data from one of the many standard formats supported Those inculde SEG Y Calculate dispersion images for each seismic SEG 2 SEG D SEG B
3. SEG 1 etc Besides gather in both FV and FK domains any non standard demultiplexed data independently Pick dispersion curves of format can be easily defined and handled the fundamental and higher modes in any including customizable trace header of the domains Convenient semi structure definition authomatic picking algorithm will help you making quick and accurate dispersion curve Read geometry from original trace headers extraction or easily define it using our intuitive Near Surface Geometry Input module Near Surface Geometry Input a Reflection MAsW Refraction Fixed W Variable Parameters First Source Position 0 m First Receiver Position a m Source Step 0 25 m Receiver Step 0 25 m Number Of Channels 24 Number of shots at one point 1 7 Reassign FFID and CHAN trace headers Competent reconstruction of S wave velocities You don t need to save each curve individually when you are ready with all picks just click Add all curves button to send all of them to the inversion Then you can always switch any of them off through the MASW Manager dialog Add ol 25 ity m s te m Next stage is inversion you need to find a model of S wave velocity distribution with the depth that gives you dispersion curves most similar to those you have extracted With the RadExPro you can jointly invert dispersion curves ex
4. gt 1 oe lt ee V Display WT VA data on top of the color amp 5 TE une aes Sza e Pr W b reflection coded velocities or seismic traces er 2 een QC polygons Line header word Wells W Line WY Pick faster and more accurate with Save parameters noe il improved autopicking facility Write History F P 5 4 Amplitude editing b Trace Header Math Reflect header changes in Reflect ident frelds V Undo redo pick editing Text h nt ze Y Smooth picks with smoothing average do aha a ae le Y Pick horizon for top muting on one single SAN N gather and then simply project it to all AN N S other gathers with only 2 mouse clicks STINE Y Analyze FK spectrums and interactively Y Analyze spectrums from arbitrary define FK filter pol windows and always observe where exactly your spectrums were taken from V Never get lost in between of several Screen Display windows while testing processing parameters with the new Flow History facility and ne much more Enjoy intuitive and convenient interactivity of the stacking velocity analysis EB lnietaniive F ip Knall ee Hi 4 i Hi vas e H i 5 ae a TE j NK bye and Dit Mire ey o ne Eo a ee Se LEE himel u BER bass TAn Kein ee Need more details Get more accurate knowledge of velocities along key horizons using the Horizon Velocity Analysis DDP Mt o
5. on me wane Tr i H l t p i E on E FOREN a RR RBB TA a Se eee Cas IE 0126 dT 184 3149 RMS Error BASE maximum deviation pk 0 124 3048 g af Bg 1 Assign segments of the time curves to different layers using handy visual marker of variable diameter Adjust the marker size to make it bigger when you need to work faster or smaller for resolving fine details Preview apparent velocities at the segments being selected at the real time Draw the first layer any Reis mn Fie Wir Time Cures Aelactonsefaces Inversion Heip EL 1 2aaBDs T w11 Zt E i aT Tame jni eu En zart GE ied mit m E E mm x Then the second one a Ey Falacben Fin Vw Tmel Beirechosmfenm ole Help a er a 380 E i gt L 1 Fi E H T TE N fo s E s s 3 Tame curve coet b DALII m iima AE You can wk with individual curves for the most accurate result or draw the layers at all of them together to make the things faster ee Easy Reaction 0 de See EK e 0 ES Fin Ware Tie Corea aceon meine ewes Haig a E 4b 4 FALL E o u Wa T AL TE a if 7 Tea mei Dep ja ET Time cu cep ie Te ET BLY Make it quick and easy Click just one button to run the inversion nun Gate Panan Refraction surfaces Inversion Help Z 2 Eo 5 Automatic inversic
6. spreadsheet editor Dedicated module for near surface geometry assignement Dedicated module for marine geometry assignement H H Dedicated module for VSP geometry assignment 3D binning Amplitudes Amplitude corrections linear spherical divergence exponential automatic gain control AGC trace equalization time variant gain t Ensemble equalization DC removal Statics Elevation statics calculation Residual statics calculation Correlation statics calculation Apply statics Deconvolutions and spectral shaping Signature Zero phase Predictive Spiking Surface consistent Nonstationary predictive F X predictive filtering Phase Optimal filtering Spectral whitening Spectral shaping Interpolation Trace interpolation along the line Interpolation of set of 2D lines into a 3D volume H H Everything you need and even more Configurations Start Professional Filtering trace transforms and trace math Frequency filtering trapezium bandpass filter Ormsby bandpass filter Butterworth filter notch filter 2D filtering F K filtering F X predictive filtering F X deconvolution Radon transform direct and inverse Amplitude spectrum calculation Phase spectrum calculation Autocorrelation and crosscorrelation functions Logarithm and exponent of trac
7. u data and removing duplicated traces Separate different components Select the one L you want to use now just in few clicks Use all three components for 3C polarization analysis and rotation to make sure that full seismic vector response is available for efficient processing bm en ja oo ig filtering in the upper window Dp 1080 LEO et Titer J ESE IETF TENTE a Tp TR en I w Fp Si 1 Il m F oes T Ba a Bu i j a 1 I ik a E Al wi High quality result the easy way Separate the upgoing and downgoing P and Tie VSP and seismic data and interactively S wavefields using the exhaustive set of determine static shifts required processing algorithms available E n Interpret the data interactively to produce Calculate migrated VSP CMP sections and reliable velocity model and immediately compare them in 2D or in 3D compare it with the logging data ma ME daray Mm Aalen main Ami ik Fi f ai Save your model and easily re open it for Never get lost in your old projects Any interactive edit dataset is stored together with its history readily showing you all processing Export velocities and travel times to an procedures applied and all their parameters ASCH file Demultiple and Deghosting of Hi Res Offshore Data Challenge demultiple of single channel nee marine data TEE Several te
8. wave types Separation of wavefields of different wave types Calculation of arrival time of direct wave or reflected wave from a specified reflector for horizontal layered model Layer velocity modeling Estimation of Q Far offset VSP NMO correction Import of well log data import and export of velocity models Joint interpretation of VSP logging and seismic data VSP Kirchhoff migration t H VSP CDP transformation Display and printing Various modes of data display Display of WT VA traces on top of color coded velocity or seismic data Support of several data displays at a time several datasets in one display Interactive calculation of frequency spectrum and F K spectrum of arbitrary data fragment Display of trace header fields Display of lines attributes horizons on the interactive map Interactive display of data along an arbitrary line selected on the Map 3D display of a set of 2D lines with optional semi transparent map on top Picking linear objects in 3D Display of attributes on linked cross plots and histograms Printing and export of cross plots and hystorgams to a bitmap Printing of processing results with print preview Data and processing management 4 4 Processing within projects A project can be easily moved to a new location together with all associated data and processing parameters Work with several projects at a time
9. zu um zu zu zu wa i ee iets tier te te tet ete er Bere en Ee a ie oe a ee et et en Improve geological understanding of the data to make interpretation easier and faster using impressive 3D display Fast and impressive Pick and observe linear objects in 3D display am fee BSc a fe GLEE L 473600 430 GEL mini d A SIBIO E s EADHON EY OCT A Dele dike Deeply Ghft pom ian ae mm mee Select an arbitrary line on the interactive map and display the data of several lines on one panel Export horizons to ASCH or DXF files Print processing results together with horizons attribute graphs and decoration Preview you prints to make sure that you get exactly what you need zei E ma di 1 Zu E ime jf a List of Capabilities I O Input data from SEG Y SEG D SEG 2 SEG B SEG 1 SCS 3 Diogen files with optional header remaping Configurations Start Professional Input GPR data from LOGIS Zond RAMAC GPR GSSI Pulse EKKO formats Input trace from ASCII file Input data from user defined demultiplexed format with trace header information Reading data from tapes Data output to SEG Y files Export horizons to ASCII and DXF files Output data to ASCII file Geometry assignment Import from ASCII and SPS files Calculation using built in equation calculator Display and editing using built in
10. Processing flows can be combined into several queues and run in parallel Processing flows can be copied with all procedures and parameters Processing history Data run time resorting on input into the flow Fast resorting of big data volumes H Combining several flows into processing queue parallel execution of several queues Interpretation Horizon picking manual and automatic Griding of horizons and attributes Attribute calculation along horizons Simultaneous display of different types of data on the map and in 3D display The list of capabilities is for information only and is subject to change without prior notice System requirenments The software works at any CPU of x86 or x86 64 architecture however the software code is optimized for Intel Pentium 4 and higher set of commands Most resource consuming routines are parallelized to take advantage of the modern multi processor workstations under MS Windows Recommended minimum Intel Core 2 Duo CPU 2 GB RAM MS Windows XP Vista 7 1280x1024 monitor AN About Us D Founded by a professor of Lomonosov Since 1992 more than 500 licenses of the Moscow State University and some of his RadExPro software have been sold worldwide former students DECO Geophysical Software Our software is used by numerous Company in an independent producer of geotechnical survey and service companies as seismic softw
11. SPS and UKOOA p1 90 files eo Plot geometry on cross plots and coverage maps Make geometry QC based on analysis of first arrivals Rapidly resort huge data volumes using a dedicated module with optimized random access operations Inspect the data using our really fast display tool analyze spectrums and check trace header fields of ay trace when neces fs ome me a o T tg ror tary NEE RE ET a I j J j us r i Fi fa Fur a F m l 17228 Interactively estimate velocities for all types of waves acam Sea stoca ew A t0 2504 0 ms v 2 580 m ms fi 0 0 4 x x A A x a 3 N a eed hi Hee ae HAKEN Eitan Macc i rt 1 aj ii la Hi i ii kat Ie F ik li J agi ital a Sen Haat TNI TALIA Sam Amp HID 4 QC and Field Processing of 2D 3D Seismic Data Interactively define different QC polygons of arbitrary shapes for different parts of seismic record Evaluate all important QC attributes within the polygons signal to noise ratio amplitude and frequency content and more Easily calculate combined attributes attribute ratios etc ERATA RR A Polygonal E TE Mean Trace Header C Square C 2DRMS AMP et 1000 foal 2000 C Mean 1D RMS we 2000 Signal Noise ratio W Compute Signal Noise Ratio SNR Mode Normal Use model trace C Treat model trace as signal Treat first trace in each e
12. are on Windows We develop and well as in educational and academic distribute the software presented here as well institutions as elaborate new algorithms and technologies for geophysical data processing We are 7 people based in Moscow Russia The RadExPro software took its origin in 1992 at the Geophysical Department Faculty of Geology Lomonosov Moscow State University Since then it has been continuously developed and advanced When the DECO Geophysical company was founded the software transferred to the company together with its initial authors Our partners You can buy the RadExPro software from our representatives world wide In Americas Paulsson Inc PI www paulsson com In Asia China Beijing Orangelamp Navigation Technology Development Co Ltd www orangelamp com cn India Essem High Tech Pvt Ltd www essemhightech com Japan Terra corporation www terrajp co p Korea C amp H Inc www candh co kr Middle East Geomorph Instruments www geomorph gr Singapore and ASEAN countries Sea and Land Technologies Pte Ltd SALT www sea landtech com sg In Europe Germany DMT GmbH amp Co KG www summit system de dedicated customized configuration only GeoHi es International Ltd www geohires com Greece and Southern Europe Geomorph Instruments www geomorph gr Italy Codevintec www codevintec it Norway P Cable 3D Seismic AS www pcable com dedicated customized configuration on
13. chniques of multiple suppression are well known to work with big full offset marine seismic data including Radon demultiple SRME Tau P deconvolution etc However efficient suppression of multiple reflections on high resolution offshore seismic data acquired with one or just a few channels at zero or small offsets have been a deep problem until now Predictive deconvolution the mainstay of single channel marine demultiple processing in most cases is nearly useless It either does not affect the strongest multiples or erases a blank gap around the unwanted event killing all adjacent reflections er we atl PW ita MER IRRE es j ae tm bop ENT cal sate A i ee ees Mat Solution new efficient algorithm The RadExPro software now provides a new efficient demultiple algorithm for near offset single channel or stacked offshore seismic data The algorithm is implemented in a brand new processing module called Zero Offset DeMultiple It brings really amazing results being capable in many cases to significantly suppress multiples without disturbing criss crossing useful reflections Examples are shown on the right Principal multiple reflections are indicated with arrows Note the primary reflections interfering with the multiples When the multiples are significantly suppressed the interfering primaries are still there and not disturbed Multiples and ghosts on single channel rec
14. e Adaptive wavefield subtraction Convolution Trace trace and trace scalar arithmetic Power of trace Radial trace transform direct and inverse Burst noise removal Frequency dependant noise attenuation Time frequency domain noise rejection Trace editing Resample Kill trace Zero padding Inverse Muting 4 tet HH HH tHrH HH Hr HH tr HH Trace length change Migrations F K Stolt migration 3D F K Stolt migration T K migration Configurations Velocities and CDP stacking Stel aoai 3D CDP binning CDP gathers Super gathers Interactive analysis of stacking velocities J Horizon based velocity analysis f NMO correction 4 Stacking Offshore data processing Marine geometry assignment ae 1 Dropped missed shots correction Import tide statics Suppression of multiples on high resolution near offset marine data Deghosting QC and attribute analysis Analysis of attribute dependancy on linked cross plots and histograms Mapping attributes on top of topography background f Estimate of average RMS minimum maximum absolute maximum amplitude post stack within a window along a horizon Determination of time of maximum minimum and absolute maximum amplitude post stack within a window along a
15. etry from original trace headers or assign it using our intuitive geometry input module Near Surface Geometry Input Reflection MASW Refraction Receivers Frrst Reaever Position 0 m Recever Step n m Streamer Sources C Const Step Variable Step Offset Sources Number of Forward Sources Const Step Variable Step Pick all first arrivals at once on one and the same display la Zoom Commen parameter View Jogis Er L Refraction Data Processing Load all travel times to Easy Refration module as one pick Display and analyze them efficiently using intuitive user interface of the module fas A T BE na parecer ware Sb per inma we E TE Drie rpa h Fer li Ben mkazi u J yet p I Ob Relais ara OS ere MUT Rotation FE ir un EE I it E a i 5 glas Te ar a HT BT H TU a Check the miss tie of the reciprocal times and easily correct it when needed Baty Arterien r Fa Fie Sie Tm Curve Adrechoumefeem hanem Heip moO Tra cures caon 6 Me OP a Ten BT 2 a af Analyze the difference between two time curves if diving waves are registered in the first arrival the entire difference graph will be a decay function if refracted head waves are registered the function will decay at first but then will become constant ee od i a a i a 1 4 w 4
16. horizon Estimate of peak frequency apparent frequency visible frequency centroid frequency and frequency bandwidth post stack within a window along a horizon Estimation of signal to noise ratio post stack within a window along a horizon Ensemble QC estimation of mean 2D RMS and mean 1D RMS amplitude signal to noise ratio resolution and apparent frequency pre stack within an arbitrary polygon Computation of auto correlation and cross corelation functions Interactive estimate of velocities of all types of waves Calculation of effective fold Reflection strength instantaneous frequency instantaneous phase Refraction Processing time curves of refracted waves CRM Processing time curves of diving waves Vibroseis Correlation 2 Surface Wave Analysis Multichannel Analysis of Surface Wave MASW Standard configurations e Start basic processing of 2D near surface seismic reflection data refraction seismic data processing analysis of surface wave MASW eProfessional advanced processing of 2D 3D near surface reflection data field processing and OC of deep 2D 3D seismic data processing of refraction seismic data analysis of surface waves MASW processing of VSP data Configurations VSP Start Professional VSP geometry assignment for vertical or inclined wells Polarization analysis 2C and 3C rotation Generation of synthetic seismograms for different
17. l to noise histogram to be the color code for all cross plots to identify bad shots and bad channels F ur Ei E H Ban 1 O ee ee oe oe i ee H ae j b Eh a 1 LL il F H ne zu ib J J ieie e oc H i I f H 3 1 I 5 F I i W ae I BIETE H II FI pad i H ATA ge i III i i t AT F F 1 H H 1 a HHT E a ii i 1 1 f r 1111 HHH i i H 4 I 1 i Tne aI I 1 is IHT I I II PT WW Wi IL ii 1 Wil J I LEITETE TE I Er 1 I III I III I n FI l naet a Perry a Po a ee a Sees a FAD Te AUSSEN VSP Data Processing With the software you can process Make individual bandpass filtering in zero offset far offset and walk away VSP data windows of arbitrary shape Below is the of different types of sources raw data with strong noise in the upper part of the section that is to be filtered out Be experimenting all the time Change the Darm order of procedures and their parameters switch between the results of different processing and compare them until you au finally end up with the processing flow you are wn really happy with 7 Then simply drag and drop the resulting flow u to copy all its procedures and parameters and apply the same processing to another dataset 1m Assign geometry using a dedicated easy to use tool properly incorporating inclinometry
18. ly Russia Geotech www geotech ru Geosignal www geosignal ru LogSys www logsys ru Softline www softline ru Contacts In case of any questions please contact us DECO Geophysical SC Postal address Moscow State University Science Park Leninskie Gory 1 77 119992 Moscow Russia Visiting address 57A Vavilova st Moscow Russia Tel 7 495 987 22 47 7 495 930 83 59 Fax 7 495 930 80 58 Sales sales radexpro ru Support support radexpro ru Get Free Trial Here www radexpro com
19. more options for efficient reflection data processing You will learn RadExPro easily The software is designed in a way that you will readily understand the logic behind it Get aquatinted with the free trial version of the software read the detailed user manual and study free tutorials downloadable from our web site www radexpro com When you buy the software we will offer you free training at our office in Moscow training at your location can also be arranged The training can be based on your data Moreover the price of the software license includes one year of free maintenance We will be happy to answer your questions and provide you with free updates as soon as we release them Reflection Data Processing and Interpretation Flexible and efficient for both impulsive and vibroseis data Refraction Data ProceSSINg ccccccccccec cece eect eee eae eae Make it quick and easy Multichannel Analysis of Surface Wave MASW Competent reconstruction of S wave velocities QC and Field Processing of 2D 3D Seismic Data Comprehensive QC capabilities on just a conventional laptop VSP Data PYroceSSING ccccccccec ccc eceeceeeeceeeeeeeeeseeeeaeeeeaeees High quality result the easy way Demultiple and Deghosting of Hi Res Offshore Data Multiples and ghosts on single channel records are not a problem a
20. nsemble as model Min freq 0 Maxfreg 125 Max shift L Resolution Compute resolution SDU_ H200 Maxtime of ACF to use 000 Mode Use mean ACF UsemeanCCF Use separate CCFs Normalize CF affects Apparent Frequency estimation also Apparent frequency W Compute apparent frequency ma Mode Number of sign changes ACF Mean ACF ox Ca Additionally you can calculate a number of attributes poststack in time windows along arbitrary horizons Comprehensive QC capabilities on just a conventional laptop Display attribute graphs on top of seismic Easily install the RadExPro on a sections conventional laptop or just an average PC Fe A gt and take into a field or on board a seismic m j vessel it does not make any specific requirements to the hardware And leave your skillful system administrator at the main office the software runs on Windows roa te Peace ters ete eats pes st erect er err ten tilt enti ts i er bw Display attribute maps using topography as a background Exploit all necessary tools readily available for field processing until a brute stack trace editing bandpass and 2D filtering amplitude corrections deconvolutions interactive velocity analysis static and NMO corrections stacking 2D and 3D post stack migrations and more Analyze attribute relationships on linked cross plots and histograms For example make signa
21. nymore Interactive Display and Analysis u z02002022enene nenn Fast and impressive List of Capabilities cece cece cece eeeeeeeeeteneeeeeeeeeeeaeeas Everything you need and even more DECO Geophysical Software Company an independent vendor of seismic software YEW NS EBD Bs Reflection Data Processing and Interpretation The RadExPro provides effective tools for Read geometry from original trace headers processing of high resolution reflection seismic import it from ASCII or SPS files or easily data both off shore and on shore with either define using one of the intuitive geometry im LEBEN swe ept vibroseis source o input modules provided for typical un swe acquisition scenarios tei here areas ct STREAMER er Teele ee z x Gao oso ossooo Gee we Ei Posine wy 4 ri bibs IA j 3 sit alles 3 are B i 7 ll WEN PE Er nz Bol segs ieee FAJ FF i Bi HN 7 NET S RAUT abs TEL fan Ulla Tim am i 1 AT EEI N N EN Bi i j 7 th anonym ii Siy ih Pi In case of more sophisticated een ELISE ERA o ZI acquisition schemes you can always 7 Tinn i ja Maikas precisely define data geometry using Sipai data from one of the many standard mathematical formulas in the built in formats supported Those inculde SEG Y equation calculator You can also edit and SEG 2 SEG D SEG B SEG 1 etc Besides manipulate with the values directly th
22. ords are not a How does it work The algorithm is based on adaptive subtraction of amodel of multiples from the original wave field The model is obtained from the data itself either by static shift of the original traces or by auto convolution However what makes the algorithm that effective is the adaptive subtraction approach used In general terms a dedicated shaping filter is calculated for each trace basing on both the original data traces and the model traces This filter when applied to the trace is trying to minimize the RMS amplitudes of whatever is found similar between the trace and the model When the filter is calculated it is accounted for non stationarity to make it adaptive to the events that are quite similar but not exactly the same This makes the subtraction impressively efficient even for rather approximate models when the arrival time or and the amplitude of the modeled multiple differ from the actual observation The algorithm is implemented as a single processing routine with simple user friendly interface DeMuttiple Parameters Mode y Static shift tc From Pic T Auto Convolution From Header Apply top muting before modeling eH t rlarlzan Frammi per a diane Subtraction parameters fee 10 a White noise level 0 001 S Processing Windows Add Delete Use adjacent traces Number of traces is Filter averaging base tr 25 Band
23. rough any non standard demultiplexed data format the built in Geometry Spreadsheet editor It is can be easily defined and handled including handy and really flexible customizable trace header structure __ definition Most of the standard number representations with any byte order are supported A nearly SEG Y but file is not a problem anymore REC en nn N ICHAN 1 6 25 96 6 25 40 CHAN 37 12 5 OFFSET fe OF ley Fear FF ene Pe ame I Li SET Momel byte onder MSS Fast e SEGY Pewerse byte onder LSB First Sorted by FFID OFFSET AOFFSET abe OFFSET COP_X REC_x S0U_X 2 Get Select FO Suey Wim Profle iD x E Famaphikis vaks CHO a ity SOURCE A 1057 UME 601 HLINE inal Flexible and efficient for both impulsive and vibroseis data Sort your data right on the input to a processing flow There is no need to re sort it beforehand you just get the data sorted properly exactly when you Do U m N Hl UN i Il if i ial i IN ar e ii Ir SS G00 666 66e5c0 080 aoe sere Cen z igis H5 LE E E F oe a A JAA For really big data volumes there is a dedicated quick resort utility that utilize all RAM available in the most optimal way to ensure the fastest possible resorting Efficiently suppress ground roll with F K filtering Once created interactively the filter polygon can then be applied to all of the da
24. ta in a processing flow Additional options include polygon mirroring and fan filtering with optional wrapping For deep seismic data one can also eliminate ground roll using one of the frequency dependant noise attenuations algorithms available Exploit the power of more than 100 high performance routines readily available for a sophisticated processing expert including various filters amplitude recovery algorithms static corrections deconvolutions of several types spectral transforms migrations etc Enjoy intuitive and convenient interactivity of the stacking velocity analysis both conventional and horizon based Observe how the hyperbolas are flattening by NMO correction in the real time while you are picking a A function The resulting stack can be further improved with migrations F X predictive filtering and spectral shaping routines Now you are ready for interpretation Pick horizons easily smooth them and export to ASCH and DXF files or make grids and plot them on the map within the software Lat J 2 Beth gt gt tS Vi aia i a rn ne eet er Der zer Easy Refraction new simple tool for quick and easy processing of seismic refraction data implements the conventional reciprocal inversion method Input seismic data all shot points at once from one of the many standard formats supported Those inculde SEG Y SEG 2 SEG D SEG B SEG 1 etc Read geom
25. tracted for all modes or specify any combination of the modes for the inversion You may wish to invert first the fundamental mode only and then use the result as the initial model for joint inversion Feel free to experiment and see what works better in your case a RMS emor 1 33 berstions 4 5 converged Depth m 38 You have been playing with model parameters for one seismic gather for quite a while trying all combinations and finally secured a result you are happy with but for this single gather only Why not to use this result now as the initial model for all other gathers and then invert all of them at once automatically Yes you can do this with the RadExPro Receiver 4 88 5 12 5 38 5 N Spread this model to all shotpoints Just one click to run the inversions of all dispersion curves extracted from different gathers A 2D profile of share wave velocities is a result of interpolation between the individual vertical velocity profiles F eean i fe Zoom Farmetes Jools Help Now the resulting Vs profile can be corrected for the topography and printed or exported to ASCII or GRD files ete The RadExPro software provides everything needed for efficient seismic OC and field processing on Windows Rapidly input the data of any size Assign geometry using the handy and flexible tools provided including import from
26. transform IF Low Frequency 300 Hz High Frequency 2000 Hz Don t subtract output model Number of iterations 1 Cx problem any more Deghosting Ghost waves is another traditional problem for a marine seismic processor Depending on the towing depths of the source and the streamer you can get several ghosts following each reflection These reduce vertical resolution of the data and may lead to misinterpretaion looking like fake layers Suppression of ghost waves is difficult because their amplitudes are nearly the same as those of the primaries while the arrival time delay is small and varies depending on ship speed and towing conditions The RadExPro offers a dedicated module that allows for efficient deghosting of the data without disturbing the interfering primary reflections and not affecting the original wavelet The technic is based on the adaptive subtraction algorithm Sa Interactive Display and Analysis Completely renewed in the year 2012 the Screen Display module is a powerful tool V Interactively define QC polygons for a powerful interactive tool for fast data calculating various attributes for display interactive analysis and en re of seismic records Interpretation De ean Il nel i m ii Hi a T05 Samt Ame 39 kam J Y Estimate apparent velocities of all types of waves interactively With the new Screen Display you can
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