GB2442849B - Low noise towed electromagnetic system for subsurface exploration - Google Patents

Low noise towed electromagnetic system for subsurface exploration

Info

Publication number
GB2442849B
GB2442849B GB0719445A GB0719445A GB2442849B GB 2442849 B GB2442849 B GB 2442849B GB 0719445 A GB0719445 A GB 0719445A GB 0719445 A GB0719445 A GB 0719445A GB 2442849 B GB2442849 B GB 2442849B
Authority
GB
United Kingdom
Prior art keywords
low noise
electromagnetic system
subsurface exploration
towed electromagnetic
towed
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.)
Active
Application number
GB0719445A
Other versions
GB2442849A (en
GB0719445D0 (en
Inventor
Stig Rune Lennart Tenghamn
Rune Johan Magnus Mattsson
Peter Gunnar Krylstedt
Mattias Fredrik Karlsson
Ulf Peter Lindqvist
Per Anders Davidsson
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.)
PGS Geophysical AS
Original Assignee
PGS Geophysical 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
Priority claimed from US11/520,228 external-priority patent/US7737698B2/en
Application filed by PGS Geophysical AS filed Critical PGS Geophysical AS
Publication of GB0719445D0 publication Critical patent/GB0719445D0/en
Publication of GB2442849A publication Critical patent/GB2442849A/en
Application granted granted Critical
Publication of GB2442849B publication Critical patent/GB2442849B/en
Active 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
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
    • 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
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • G01V3/165—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with magnetic or electric fields produced or modified by the object or by the detecting device
    • 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
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • G01V3/17—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with electromagnetic waves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30—Assessment of water resources

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0719445A 2006-03-29 2007-03-23 Low noise towed electromagnetic system for subsurface exploration Active GB2442849B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78704206P 2006-03-29 2006-03-29
US11/520,228 US7737698B2 (en) 2006-03-29 2006-09-13 Low noise, towed electromagnetic system for subsurface exploration
GB0705675A GB2436709B (en) 2006-03-29 2007-03-23 Low noise, Towed electromagnetic system for subsurface exploration

Publications (3)

Publication Number Publication Date
GB0719445D0 GB0719445D0 (en) 2007-11-14
GB2442849A GB2442849A (en) 2008-04-16
GB2442849B true GB2442849B (en) 2008-08-20

Family

ID=38739162

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0719445A Active GB2442849B (en) 2006-03-29 2007-03-23 Low noise towed electromagnetic system for subsurface exploration

Country Status (1)

Country Link
GB (1) GB2442849B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8547783B2 (en) 2007-12-12 2013-10-01 Exxonmobil Upstream Research Company Method and apparatus for evaluating submarine formations

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7671598B2 (en) 2007-12-03 2010-03-02 Pgs Geophysical As Method and apparatus for reducing induction noise in measurements made with a towed electromagnetic survey system
US8134369B2 (en) 2009-04-28 2012-03-13 Kjt Enterprises, Inc. Method of testing electric field recording of a marine electromagnetic sensor cable
US20150301217A1 (en) * 2014-04-17 2015-10-22 Pgs Geophysical As Ultra-long electromagnetic source

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155182A (en) * 1983-11-21 1985-09-18 Exxon Production Research Co Surveying and characterizing a region of an earth formation beneath a body of water
US6236211B1 (en) * 1998-06-18 2001-05-22 The United States Of America As Represented By The United States Secretary Of The Interior Induced polarization method using towed cable carrying transmitters and receivers for identifying minerals on the ocean floor
EP1309887A1 (en) * 2000-08-14 2003-05-14 Statoil ASA Method and apparatus for determining the nature of subterranean reservoirs
GB2390904A (en) * 2002-07-16 2004-01-21 Univ Southampton Electromagnetic surveying for hydrocarbon reservoirs
US7002350B1 (en) * 2003-11-19 2006-02-21 Telluric Exploration, Llc Marine oil and gas exploration system using telluric currents as a natural electromagnatic energy source

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155182A (en) * 1983-11-21 1985-09-18 Exxon Production Research Co Surveying and characterizing a region of an earth formation beneath a body of water
US6236211B1 (en) * 1998-06-18 2001-05-22 The United States Of America As Represented By The United States Secretary Of The Interior Induced polarization method using towed cable carrying transmitters and receivers for identifying minerals on the ocean floor
EP1309887A1 (en) * 2000-08-14 2003-05-14 Statoil ASA Method and apparatus for determining the nature of subterranean reservoirs
GB2390904A (en) * 2002-07-16 2004-01-21 Univ Southampton Electromagnetic surveying for hydrocarbon reservoirs
US7002350B1 (en) * 2003-11-19 2006-02-21 Telluric Exploration, Llc Marine oil and gas exploration system using telluric currents as a natural electromagnatic energy source

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8547783B2 (en) 2007-12-12 2013-10-01 Exxonmobil Upstream Research Company Method and apparatus for evaluating submarine formations

Also Published As

Publication number Publication date
GB2442849A (en) 2008-04-16
GB0719445D0 (en) 2007-11-14

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