NO20045530L - Fremgangsmate og system for geologisk sjobunnsundersokelse med bruk av maling av vertikalt elektrisk felt - Google Patents

Fremgangsmate og system for geologisk sjobunnsundersokelse med bruk av maling av vertikalt elektrisk felt

Info

Publication number
NO20045530L
NO20045530L NO20045530A NO20045530A NO20045530L NO 20045530 L NO20045530 L NO 20045530L NO 20045530 A NO20045530 A NO 20045530A NO 20045530 A NO20045530 A NO 20045530A NO 20045530 L NO20045530 L NO 20045530L
Authority
NO
Norway
Prior art keywords
assembly
seabed
geological
electric field
processor
Prior art date
Application number
NO20045530A
Other languages
English (en)
Inventor
Steven C Constable
Original Assignee
Univ California
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 Univ California filed Critical Univ California
Publication of NO20045530L publication Critical patent/NO20045530L/no

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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
    • G01V3/08—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
    • G01V3/08—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
    • G01V3/082—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 operating with fields produced by spontaneous potentials, e.g. electrochemical or produced by telluric currents
    • 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
    • G01V3/15—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

SAMMENDRAG Utstyr for kartlegging av sjøbunnens elektriske konduktivitet og som omfatter flere dataloggings-enheter, hvor da hver enhet (100) utgjør en sammenstilling tilpasset for utplassering på et visst sted på sjøbunnen med det formål å måle horisontale elektriske og magnetiske felter. Stivt festet og med vertikal utstrekning utover fra enhetssammenstillingen befinner det seg en vertikalorientert hovedsakelig stiv arm (158), men som har et par av vertikalt forskjøvede elektroder (160, 162) anordnet på armen for å frembringe en vertikalorientert dipolantenne. Elektrodene befinner seg i elektrisk kommunikasjon med en forsterker plassert inne i den sammenstilling som genererer et forsterket signal som så avgis til en dataloggingsprosessor som også er plassert inne i sammenstillingen. Denne prosessor velger da ut tidsserier av forsterkede elektriske felt samt magnetiske signaler over en forutbestemt tidsperiode.
NO20045530A 2002-06-11 2004-12-17 Fremgangsmate og system for geologisk sjobunnsundersokelse med bruk av maling av vertikalt elektrisk felt NO20045530L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38778402P 2002-06-11 2002-06-11
PCT/US2003/018522 WO2003104844A1 (en) 2002-06-11 2003-06-11 Method and system for seafloor geological survey using vertical electric field measurement

Publications (1)

Publication Number Publication Date
NO20045530L true NO20045530L (no) 2005-03-09

Family

ID=29736363

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20045530A NO20045530L (no) 2002-06-11 2004-12-17 Fremgangsmate og system for geologisk sjobunnsundersokelse med bruk av maling av vertikalt elektrisk felt

Country Status (11)

Country Link
US (1) US7116108B2 (no)
EP (1) EP1512033A4 (no)
JP (1) JP4459048B2 (no)
CN (1) CN100395562C (no)
AP (1) AP1809A (no)
AU (1) AU2003239990B2 (no)
BR (1) BR0311871A (no)
MX (1) MXPA04012482A (no)
NO (1) NO20045530L (no)
RU (1) RU2323456C2 (no)
WO (1) WO2003104844A1 (no)

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Also Published As

Publication number Publication date
JP4459048B2 (ja) 2010-04-28
AP2005003197A0 (en) 2005-03-31
RU2005100040A (ru) 2005-07-10
CN100395562C (zh) 2008-06-18
US20050264294A1 (en) 2005-12-01
AU2003239990B2 (en) 2008-02-14
AP1809A (en) 2007-12-18
EP1512033A1 (en) 2005-03-09
MXPA04012482A (es) 2005-06-08
WO2003104844A1 (en) 2003-12-18
EP1512033A4 (en) 2011-05-11
BR0311871A (pt) 2005-03-15
RU2323456C2 (ru) 2008-04-27
JP2005530135A (ja) 2005-10-06
US7116108B2 (en) 2006-10-03
AU2003239990A1 (en) 2003-12-22
CN1659450A (zh) 2005-08-24

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