NO20026054L - Akustisk loggeapparat og fremgangsmåte - Google Patents

Akustisk loggeapparat og fremgangsmåte

Info

Publication number
NO20026054L
NO20026054L NO20026054A NO20026054A NO20026054L NO 20026054 L NO20026054 L NO 20026054L NO 20026054 A NO20026054 A NO 20026054A NO 20026054 A NO20026054 A NO 20026054A NO 20026054 L NO20026054 L NO 20026054L
Authority
NO
Norway
Prior art keywords
tool
transmitter
acoustic
objective function
source signals
Prior art date
Application number
NO20026054A
Other languages
English (en)
Other versions
NO20026054D0 (no
NO335615B1 (no
Inventor
Joakim O Blanch
Georgios L Varsamis
Original Assignee
Halliburton Energy Serv Inc
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 Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Publication of NO20026054D0 publication Critical patent/NO20026054D0/no
Publication of NO20026054L publication Critical patent/NO20026054L/no
Publication of NO335615B1 publication Critical patent/NO335615B1/no

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
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G01V1/48—Processing data
    • G01V1/50—Analysing data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G01V1/48—Processing data

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Fremstillingen angir utstyr og tilsvarende fremgangsmåte for å bestemme karakteristiske særtrekk ved undergrunnsformasjoner som gjennombores av et borehull. En akustisk sender (18) er montert på et verktøy (10) for å avgi akustisk energi inn i formasjonen enten dette verktøy (10) er et ledningskabelverktøy eller et verktøy for logging under utboring, og flere mottakere (20A-D) som er anordnet i avstand fra senderen (18) og fra hverandre mottar akustisk energi som reaksjon på senderavfyringen. Deler av eller hele hvert mottatt signal anvendes for å anslå kildesignaler ved bruk av en antatt overføringsfunksjon. Disse forskjellige anslåtte kildesignaler blir så sammenlignet innbyrdes på en eller annen måte for å bestemme en objektivfunksjon. Denne prosess gjentas for flere antatte overføringsfunksjoner, samt ved flere starttider for de mottatte signaler. Ved oppsøking av minimumsverdier i en opptegning av objektivfunksjonen, kan da karakteristiske egenskaper ved grunnformasjonen, så som akustisk hastighet, bestemmes.
NO20026054A 2001-12-18 2002-12-17 Fremgangsmåte for å bestemme akustiske egenskaper ved grunnformasjoner NO335615B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/025,528 US6842400B2 (en) 2001-12-18 2001-12-18 Acoustic logging apparatus and method

Publications (3)

Publication Number Publication Date
NO20026054D0 NO20026054D0 (no) 2002-12-17
NO20026054L true NO20026054L (no) 2003-06-19
NO335615B1 NO335615B1 (no) 2015-01-12

Family

ID=21826600

Family Applications (4)

Application Number Title Priority Date Filing Date
NO20026054A NO335615B1 (no) 2001-12-18 2002-12-17 Fremgangsmåte for å bestemme akustiske egenskaper ved grunnformasjoner
NO20140485A NO336796B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustisk hastighet i undergrunnsformasjoner
NO20140486A NO336798B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustisk langsomhet for en undergrunnsformasjon
NO20140483A NO336794B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustiske egenskaper i undergrunnsformasjoner

Family Applications After (3)

Application Number Title Priority Date Filing Date
NO20140485A NO336796B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustisk hastighet i undergrunnsformasjoner
NO20140486A NO336798B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustisk langsomhet for en undergrunnsformasjon
NO20140483A NO336794B1 (no) 2001-12-18 2014-04-14 Fremgangsmåte for å bestemme akustiske egenskaper i undergrunnsformasjoner

Country Status (6)

Country Link
US (1) US6842400B2 (no)
EP (1) EP1324075B1 (no)
AU (1) AU2002302036B2 (no)
BR (1) BR0205267B1 (no)
CA (1) CA2414412C (no)
NO (4) NO335615B1 (no)

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US8861307B2 (en) 2011-09-14 2014-10-14 Schlumberger Technology Corporation Acoustic logging while drilling tool with active control of source orientation
US10591638B2 (en) 2013-03-06 2020-03-17 Exxonmobil Upstream Research Company Inversion of geophysical data on computer system having parallel processors
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Also Published As

Publication number Publication date
EP1324075B1 (en) 2014-07-16
NO20026054D0 (no) 2002-12-17
NO336796B1 (no) 2015-11-02
AU2002302036B2 (en) 2007-03-29
BR0205267B1 (pt) 2014-08-05
US6842400B2 (en) 2005-01-11
NO336798B1 (no) 2015-11-02
US20030206487A1 (en) 2003-11-06
EP1324075A3 (en) 2004-08-11
BR0205267A (pt) 2004-07-20
NO20140486L (no) 2003-06-19
CA2414412C (en) 2006-12-05
NO335615B1 (no) 2015-01-12
NO20140485L (no) 2003-06-19
EP1324075A2 (en) 2003-07-02
CA2414412A1 (en) 2003-06-18
NO336794B1 (no) 2015-11-02
NO20140483L (no) 2003-06-19

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