GB201206073D0 - Method of, and apparatus for, quality assurance in a full waveform inversion process - Google Patents

Method of, and apparatus for, quality assurance in a full waveform inversion process

Info

Publication number
GB201206073D0
GB201206073D0 GB201206073A GB201206073A GB201206073D0 GB 201206073 D0 GB201206073 D0 GB 201206073D0 GB 201206073 A GB201206073 A GB 201206073A GB 201206073 A GB201206073 A GB 201206073A GB 201206073 D0 GB201206073 D0 GB 201206073D0
Authority
GB
United Kingdom
Prior art keywords
data set
measured
seismic data
subsurface
modelled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB201206073A
Other versions
GB2503640A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAH NIKHIL K
Original Assignee
SHAH NIKHIL K
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB201121932A external-priority patent/GB201121932D0/en
Priority claimed from GB201121934A external-priority patent/GB201121934D0/en
Application filed by SHAH NIKHIL K filed Critical SHAH NIKHIL K
Publication of GB201206073D0 publication Critical patent/GB201206073D0/en
Priority to GB201219828A priority Critical patent/GB2504158A/en
Priority to PCT/GB2012/053198 priority patent/WO2013093468A2/en
Publication of GB2503640A publication Critical patent/GB2503640A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
    • G01V1/282—Application of seismic models, synthetic seismograms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2200/00—Details of seismic or acoustic prospecting or detecting in general
    • G01V2200/10—Miscellaneous details
    • G01V2200/14—Quality control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/61—Analysis by combining or comparing a seismic data set with other data
    • G01V2210/614—Synthetically generated data

Abstract

A method for verifying the accuracy of a model of the subsurface of a portion of the earth generated by a full waveform inversion method. The method comprises receiving a measured seismic data set 100 obtained from a seismic measurement and starting modelled seismic data set 102 generated from a subsurface starting model. A time-domain window 106, 110 is then applied to both the measured and modelled seismic data sets prior to applying a Fourier transform 108, 112. The method further comprises determining the validity of said subsurface starting model for performing FWI on said measured seismic data set by calculating, from the phase component of said windowed measured values and the phase component of said windowed modelled values, the phase residual 114 at said one or more selected frequencies, identifying cycle-skipped data 116 within said phase residual data set; and evaluating the proportion of cycle-skipped data within said phase residual data set to determine the validity of the starting model for interpreting said measured seismic data set.
GB201206073A 2011-12-20 2012-04-04 Quality Assurance in a Full Waveform Inversion Process Withdrawn GB2503640A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201219828A GB2504158A (en) 2011-12-20 2012-11-05 Checking the validity of a subsurface starting model for performing full waveform inversion on seismic data
PCT/GB2012/053198 WO2013093468A2 (en) 2011-12-20 2012-12-20 Full waveform inversion quality control method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB201121932A GB201121932D0 (en) 2011-12-20 2011-12-20 Method of and apparatus for validating a full waveform inversion process
GB201121934A GB201121934D0 (en) 2011-12-20 2011-12-20 Method of, and apparatus for, windowed full waveform inversion

Publications (2)

Publication Number Publication Date
GB201206073D0 true GB201206073D0 (en) 2012-05-16
GB2503640A GB2503640A (en) 2014-01-08

Family

ID=46160354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201206073A Withdrawn GB2503640A (en) 2011-12-20 2012-04-04 Quality Assurance in a Full Waveform Inversion Process

Country Status (1)

Country Link
GB (1) GB2503640A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015106065A1 (en) * 2014-01-10 2015-07-16 Cgg Services (U.S.) Inc. Device and method for mitigating cycle-skipping in full waveform inversion
EP3168653B1 (en) * 2015-11-05 2019-07-17 CGG Services SAS Device and method for full waveform inversion
CN110687591B (en) * 2019-09-09 2021-06-29 中煤科工集团西安研究院有限公司 Method for determining physical property parameters of coal bed and surrounding rock based on waveform matching of prior data
US11846740B2 (en) 2022-01-31 2023-12-19 Saudi Arabian Oil Company First break picking for full wavefield travel-time inversion

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985873A (en) * 1989-10-20 1991-01-15 Schlumberger Technology Corporation Method and apparatus for determining compressional first arrival times from waveform threshold crossings provided by apparatus disposed in a sonic well tool
GB2481270B (en) * 2011-01-26 2013-06-26 Nikhil Shah Method of, and Apparatus for, Full Waveform Inversion modelling

Also Published As

Publication number Publication date
GB2503640A (en) 2014-01-08

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)