BR9803484A - Process and apparatus for measuring the resistivity of a soil formation. - Google Patents

Process and apparatus for measuring the resistivity of a soil formation.

Info

Publication number
BR9803484A
BR9803484A BR9803484A BR9803484A BR9803484A BR 9803484 A BR9803484 A BR 9803484A BR 9803484 A BR9803484 A BR 9803484A BR 9803484 A BR9803484 A BR 9803484A BR 9803484 A BR9803484 A BR 9803484A
Authority
BR
Brazil
Prior art keywords
formation
resistivity
signal
telemetry
receiver
Prior art date
Application number
BR9803484A
Other languages
Portuguese (pt)
Inventor
Jean P Seydoux
Jacques R Tabanou
Original Assignee
Anadrill Int Sa
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 Anadrill Int Sa filed Critical Anadrill Int Sa
Publication of BR9803484A publication Critical patent/BR9803484A/en

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  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PROCESSO E APARELHO PARA MEDIçãO DA RESISTIVIDADE DE UMA FORMAçãO DO SOLO. O processo e aparelho da invenção determina a resistividade de formação de solo em profundidade estendidas na formação pelo uso de telemetria de sinais de transmissão para medição da resistividade da formação. A telemetria dos sinais de transmissão conduzem dados de medição a partir de sensores abaixo do buraco através da formação para um receptor acima do buraco. A transmissão do sinal é por meio de telemetria de indução. No receptor, o sinal é demodulado para obtenção dos dados de medição transmitidos. Durante a detecção do sinal no receptor, a amplitude do sinal é também extraída e é utilizada para determinar a resistividade da formação. Em acréscimo, mudanças na amplitude do sinal são também utilizadas para indicar limites de formação para determinação da localidade de poço durante perfuração direcional.PROCESS AND APPARATUS FOR MEASURING THE RESISTIVITY OF A GROUND FORMATION. The process and apparatus of the invention determines the resistivity of soil formation in depth extended in the formation by the use of transmission signal telemetry to measure the resistivity of the formation. Telemetry of transmission signals conduct measurement data from sensors below the hole through formation to a receiver above the hole. Signal transmission is by means of induction telemetry. At the receiver, the signal is demodulated to obtain the transmitted measurement data. During signal detection at the receiver, the signal amplitude is also extracted and is used to determine the resistivity of the formation. In addition, changes in signal amplitude are also used to indicate formation limits for determining the location of a well during directional drilling.

BR9803484A 1997-09-19 1998-09-17 Process and apparatus for measuring the resistivity of a soil formation. BR9803484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5955497P 1997-09-19 1997-09-19

Publications (1)

Publication Number Publication Date
BR9803484A true BR9803484A (en) 1999-11-03

Family

ID=22023731

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9803484A BR9803484A (en) 1997-09-19 1998-09-17 Process and apparatus for measuring the resistivity of a soil formation.

Country Status (2)

Country Link
BR (1) BR9803484A (en)
CA (1) CA2247636A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114112736B (en) * 2020-08-28 2023-11-14 宝山钢铁股份有限公司 Online measuring device and method for determining fracture elongation of low-carbon steel cold-rolled sheet
CN113216929B (en) * 2021-04-29 2023-12-22 中国科学院武汉岩土力学研究所 Method and equipment for measuring rock and soil parameters while drilling based on electromagnetic geophysical prospecting

Also Published As

Publication number Publication date
CA2247636A1 (en) 1999-03-19

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

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B08H Application fees: decision cancelled

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1868 DE 24/10/2006 POR TER SIDO APRESENTADA PAPELETA DE ESCLARECIMENTO.

B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 8A ANUIDADE.

B08K Maintenance of archiving: application remains archived as no request for restauration (art. 87) has been received.

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1877 DE 26/12/2006.