GB2585216B - Improved inversions of geophysical data - Google Patents

Improved inversions of geophysical data Download PDF

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Publication number
GB2585216B
GB2585216B GB1909529.8A GB201909529A GB2585216B GB 2585216 B GB2585216 B GB 2585216B GB 201909529 A GB201909529 A GB 201909529A GB 2585216 B GB2585216 B GB 2585216B
Authority
GB
United Kingdom
Prior art keywords
inversions
improved
geophysical data
geophysical
data
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.)
Expired - Fee Related
Application number
GB1909529.8A
Other versions
GB201909529D0 (en
GB2585216A (en
Inventor
Causse Emmanuel
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.)
Equinor Energy AS
Original Assignee
Equinor Energy AS
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
Application filed by Equinor Energy AS filed Critical Equinor Energy AS
Priority to GB1909529.8A priority Critical patent/GB2585216B/en
Publication of GB201909529D0 publication Critical patent/GB201909529D0/en
Priority to PCT/NO2020/050187 priority patent/WO2021002761A1/en
Publication of GB2585216A publication Critical patent/GB2585216A/en
Application granted granted Critical
Publication of GB2585216B publication Critical patent/GB2585216B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V20/00—Geomodelling in general
    • 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. for interpretation or for event detection
    • G01V1/30—Analysis
    • G01V1/306—Analysis for determining physical properties of the subsurface, e.g. impedance, porosity or attenuation profiles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/083—Controlled source electromagnetic [CSEM] surveying
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/083—Controlled source electromagnetic [CSEM] surveying
    • G01V2003/086—Processing
    • 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
    • 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
    • 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
    • G01V2210/616—Data from specific type of measurement
    • G01V2210/6161—Seismic or acoustic, e.g. land or sea measurements
    • 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
    • G01V2210/616—Data from specific type of measurement
    • G01V2210/6163—Electromagnetic
    • 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
    • G01V2210/62—Physical property of subsurface
    • 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
    • G01V2210/66—Subsurface modeling

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB1909529.8A 2019-07-02 2019-07-02 Improved inversions of geophysical data Expired - Fee Related GB2585216B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1909529.8A GB2585216B (en) 2019-07-02 2019-07-02 Improved inversions of geophysical data
PCT/NO2020/050187 WO2021002761A1 (en) 2019-07-02 2020-06-30 Improved inversions of geophysical data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1909529.8A GB2585216B (en) 2019-07-02 2019-07-02 Improved inversions of geophysical data

Publications (3)

Publication Number Publication Date
GB201909529D0 GB201909529D0 (en) 2019-08-14
GB2585216A GB2585216A (en) 2021-01-06
GB2585216B true GB2585216B (en) 2021-12-01

Family

ID=67540081

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1909529.8A Expired - Fee Related GB2585216B (en) 2019-07-02 2019-07-02 Improved inversions of geophysical data

Country Status (2)

Country Link
GB (1) GB2585216B (en)
WO (1) WO2021002761A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114063177B (en) * 2021-11-16 2023-09-29 核工业北京地质研究院 Method and system for denoising magnetotelluric data
CN115267927B (en) * 2022-09-28 2022-12-30 中石化经纬有限公司 Multi-boundary curtain type geosteering method based on ant colony-gradient series algorithm

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016180457A1 (en) * 2015-05-08 2016-11-17 Statoil Petroleum As Model compression
GB2570330A (en) * 2018-01-22 2019-07-24 Equinor Energy As Regularization of non-linear inversions of geophysical data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO320103B1 (en) * 2000-07-17 2005-10-24 Sintef Petroleumsforskning Seismic processing with general non-hyperbolic gait corrections
US7333392B2 (en) * 2005-09-19 2008-02-19 Saudi Arabian Oil Company Method for estimating and reconstructing seismic reflection signals
US8688616B2 (en) * 2010-06-14 2014-04-01 Blue Prism Technologies Pte. Ltd. High-dimensional data analysis
GB2573152B (en) * 2018-04-26 2020-05-27 Equinor Energy As Providing for uncertainty in non-linear inversions of geophysical data

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016180457A1 (en) * 2015-05-08 2016-11-17 Statoil Petroleum As Model compression
GB2570330A (en) * 2018-01-22 2019-07-24 Equinor Energy As Regularization of non-linear inversions of geophysical data

Also Published As

Publication number Publication date
WO2021002761A1 (en) 2021-01-07
GB201909529D0 (en) 2019-08-14
GB2585216A (en) 2021-01-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20230702