BR0107908A - Ferramenta de registro de resistividade, e, ferramenta de registro durante a perfuração que mede resistividade de uma formação - Google Patents

Ferramenta de registro de resistividade, e, ferramenta de registro durante a perfuração que mede resistividade de uma formação

Info

Publication number
BR0107908A
BR0107908A BR0107908-5A BR0107908A BR0107908A BR 0107908 A BR0107908 A BR 0107908A BR 0107908 A BR0107908 A BR 0107908A BR 0107908 A BR0107908 A BR 0107908A
Authority
BR
Brazil
Prior art keywords
resistivity
tool
formation
receivers
recording
Prior art date
Application number
BR0107908-5A
Other languages
English (en)
Inventor
Michael S Bittar
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 BR0107908A publication Critical patent/BR0107908A/pt

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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/20—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current
    • G01V3/24—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with propagation of electric current using ac
    • 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
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils

Abstract

"FERRAMENTA DE REGISTRO DE RESISTIVIDADE, E, FERRAMENTA DE REGISTRO DURANTE A PERFURAçãO QUE MEDE RESISTIVIDADE DE UMA FORMAçãO". Uma ferramenta de resistividade para uso em um sistema LWD, inclui um arranjo de transmissor com múltiplos transmissores (T~ 1~, T~ 2~, T~ 3~) posicionados acima de um par de receptores (R~ 1~, R~ 2~). Os transmissores (T~ 1~, T~ 2~, T~ 3~) são seletivamente energizados, fazendo com que seja induzida corrente no colar da ferramenta. A corrente axial no colar da ferramenta é medida pelo par de receptores (R~ 1~, R~ 2~) para determinar a quantidade da corrente que flui na formação entre os receptores (R~ 1~, R~ 2~). A partir disto, a resistividade da formação pode ser medida para cada transmissor, para prover múltiplas profundidades de investigação. Diversos eletrodos discretos (500) são posicionados entre os dois receptores (R~ 1~, R~ 2~) para permitir a imagem do furo de sondagem obtendo leituras de resistividade azimutalmente sensíveis, baseadas no nível de tensão em cada eletrodos discretos e na quantidade de corrente fluindo na formação.
BR0107908-5A 2000-01-28 2001-01-22 Ferramenta de registro de resistividade, e, ferramenta de registro durante a perfuração que mede resistividade de uma formação BR0107908A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/493,481 US6359438B1 (en) 2000-01-28 2000-01-28 Multi-depth focused resistivity imaging tool for logging while drilling applications
PCT/US2001/001940 WO2001055748A1 (en) 2000-01-28 2001-01-22 Multi-depth focused resistivity imaging tool for logging while drilling applications

Publications (1)

Publication Number Publication Date
BR0107908A true BR0107908A (pt) 2002-12-10

Family

ID=23960379

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0107908-5A BR0107908A (pt) 2000-01-28 2001-01-22 Ferramenta de registro de resistividade, e, ferramenta de registro durante a perfuração que mede resistividade de uma formação

Country Status (8)

Country Link
US (1) US6359438B1 (pt)
AU (1) AU770185B2 (pt)
BR (1) BR0107908A (pt)
CA (1) CA2398150C (pt)
FR (1) FR2804469B1 (pt)
GB (1) GB2379511B (pt)
NO (1) NO335897B1 (pt)
WO (1) WO2001055748A1 (pt)

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Also Published As

Publication number Publication date
FR2804469A1 (fr) 2001-08-03
US6359438B1 (en) 2002-03-19
AU3449801A (en) 2001-08-07
GB0217490D0 (en) 2002-09-04
NO335897B1 (no) 2015-03-16
NO20023586L (no) 2002-09-25
FR2804469B1 (fr) 2006-12-08
CA2398150C (en) 2006-08-08
GB2379511A (en) 2003-03-12
CA2398150A1 (en) 2001-08-02
WO2001055748A1 (en) 2001-08-02
GB2379511B (en) 2004-05-05
WO2001055748A9 (en) 2002-10-24
NO20023586D0 (no) 2002-07-26
AU770185B2 (en) 2004-02-12

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