NO20083824L - Elektromagnetisk overvakning - Google Patents

Elektromagnetisk overvakning

Info

Publication number
NO20083824L
NO20083824L NO20083824A NO20083824A NO20083824L NO 20083824 L NO20083824 L NO 20083824L NO 20083824 A NO20083824 A NO 20083824A NO 20083824 A NO20083824 A NO 20083824A NO 20083824 L NO20083824 L NO 20083824L
Authority
NO
Norway
Prior art keywords
antenna
nature
changes
layers
electromagnetic monitoring
Prior art date
Application number
NO20083824A
Other languages
English (en)
Inventor
Tor Schaug-Pettersen
Original Assignee
Electromagnetic Geoservices 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 Electromagnetic Geoservices As filed Critical Electromagnetic Geoservices As
Publication of NO20083824L publication Critical patent/NO20083824L/no

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
    • G01V3/15—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

Abstract

Fremgangsmåte for å bestemme beskaffenheten av underjordiske sjikt. Senderantennen (11) taues av et fartøy (12) i en avstand h over sjøbunnen (13). Antennen (11) sender ut et bølgefelt, hvis styrke er proporsjonal med strømmen levert til antennen (11), og dette blir overvåket. Inngangsspenningen til antennen blir også målt og endringer i antenneimpedans blir beregnet. Endringer i antenneimpedans blir brukt sammen med seismisk informasjon for å bestemme beskaffenheten av de undersjøiske sjikt.
NO20083824A 2006-02-09 2008-09-08 Elektromagnetisk overvakning NO20083824L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0602656A GB2435693A (en) 2006-02-09 2006-02-09 Seabed electromagnetic surveying
PCT/GB2007/000459 WO2007091086A2 (en) 2006-02-09 2007-02-09 Electromagnetic surveying

Publications (1)

Publication Number Publication Date
NO20083824L true NO20083824L (no) 2008-09-08

Family

ID=36119824

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20083824A NO20083824L (no) 2006-02-09 2008-09-08 Elektromagnetisk overvakning

Country Status (10)

Country Link
US (1) US8188748B2 (no)
EP (1) EP1982216A2 (no)
CN (1) CN101379414A (no)
AU (1) AU2007213522A1 (no)
CA (1) CA2641813A1 (no)
DK (1) DK200801000A (no)
GB (1) GB2435693A (no)
NO (1) NO20083824L (no)
RU (1) RU2008136183A (no)
WO (1) WO2007091086A2 (no)

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US8188748B2 (en) 2012-05-29
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EP1982216A2 (en) 2008-10-22
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US20100052688A1 (en) 2010-03-04
GB2435693A (en) 2007-09-05
RU2008136183A (ru) 2010-03-20
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AU2007213522A1 (en) 2007-08-16
CN101379414A (zh) 2009-03-04

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