BRPI0407302A - Sistema de telemetria de furo de descendente, e, métodos para filtrar de modo adaptável comunicações com uma vedação de furo descendente e para filtrar de modo adaptável ruìdo periódico e não-periódico - Google Patents

Sistema de telemetria de furo de descendente, e, métodos para filtrar de modo adaptável comunicações com uma vedação de furo descendente e para filtrar de modo adaptável ruìdo periódico e não-periódico

Info

Publication number
BRPI0407302A
BRPI0407302A BR0407302-9A BRPI0407302A BRPI0407302A BR PI0407302 A BRPI0407302 A BR PI0407302A BR PI0407302 A BRPI0407302 A BR PI0407302A BR PI0407302 A BRPI0407302 A BR PI0407302A
Authority
BR
Brazil
Prior art keywords
filtering
noise
hole
domain signal
time domain
Prior art date
Application number
BR0407302-9A
Other languages
English (en)
Inventor
Wallace R Gardner
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 BRPI0407302A publication Critical patent/BRPI0407302A/pt

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Mining & Mineral Resources (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Noise Elimination (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

"SISTEMA DE TELEMETRIA DE FURO DESCENDENTE, E, MéTODOS PARA FILTRAR DE MODO ADAPTáVEL COMUNICAçõES COM UMA VEDAçãO DE FURO DESCENDENTE E PARA FILTRAR DE MODO ADAPTáVEL RUìDO PERIóDICO E NãO-PERIóDICO". Método de um sistema de telemetria de furo descendente usando modulação de múltiplos tons discreta e filtragem adaptável. O sistema de telemetria de furo descendente inclui um transmissor de furo descendente, um cabo e um receptor de superfície acoplado ao transmissor de furo descendente através do cabo. Os receptores de superfície filtra de modo adaptável o ruido de um sinal recebido a partir do transmissor de furo descendente. O método inclui receber um sinal de domínio de tempo que carrega a informação desejada em freq³ências específicas e filtrar de modo adaptável pelo menos uma porção do ruido do sinal de domínio de tempo. O sinal de domínio de tempo inclui ruido. O método pode também incluir retardar o sinal de domínio de tempo por um tempo de retardo para formar um sinal de domínio de tempo retardado; e filtrar de modo adaptável pelo menos a porção do ruido periódico do sinal de dominio de tempo usando o sinal de domínio de tempo retardado. O método pode também incluir receber um sinal de referência a partir de cada um dos um ou mais sensores localizados para receber uma indicação de um componente da ruído, e filtrar de modo adaptável pelo menos uma porção de cada componente de ruído do sinal de domínio de tempo usando pelo menos o sinal de referência a partir de um dos um ou mais sensores.
BR0407302-9A 2003-02-06 2004-02-06 Sistema de telemetria de furo de descendente, e, métodos para filtrar de modo adaptável comunicações com uma vedação de furo descendente e para filtrar de modo adaptável ruìdo periódico e não-periódico BRPI0407302A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/359,930 US20040155794A1 (en) 2003-02-06 2003-02-06 Downhole telemetry system using discrete multi-tone modulation with adaptive noise cancellation
PCT/US2004/003547 WO2004072793A2 (en) 2003-02-06 2004-02-06 Downhole telemetry system using discrete multi-tone modulation with adaptive noise cancellation

Publications (1)

Publication Number Publication Date
BRPI0407302A true BRPI0407302A (pt) 2006-02-07

Family

ID=32736387

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0407302-9A BRPI0407302A (pt) 2003-02-06 2004-02-06 Sistema de telemetria de furo de descendente, e, métodos para filtrar de modo adaptável comunicações com uma vedação de furo descendente e para filtrar de modo adaptável ruìdo periódico e não-periódico

Country Status (8)

Country Link
US (1) US20040155794A1 (pt)
AU (1) AU2004211768A1 (pt)
BR (1) BRPI0407302A (pt)
CA (1) CA2515193A1 (pt)
FR (1) FR2851008A1 (pt)
GB (1) GB2419793A (pt)
NO (1) NO20053949L (pt)
WO (1) WO2004072793A2 (pt)

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US8362916B2 (en) * 2009-02-05 2013-01-29 Schlumberger Technology Corporation Methods and systems for borehole telemetry
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US8836328B2 (en) * 2010-02-03 2014-09-16 Baker Hughes Incorporated Acoustic excitation with NMR pulse
WO2012142692A1 (en) * 2011-04-20 2012-10-26 Jvx Ltd. Probe for collecting geophysical logging data
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US9154186B2 (en) 2012-12-04 2015-10-06 Schlumberger Technology Corporation Toolstring communication in cable telemetry
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NO20121547A1 (no) * 2012-12-21 2014-06-23 Nexans ROV-kabelisoleringssystem
RU2668099C1 (ru) 2014-12-10 2018-09-26 Хэллибертон Энерджи Сервисиз, Инк. Устройства и способы для фильтрации помех, обусловленных работой бурового насоса, при гидроимпульсной телеметрии
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Also Published As

Publication number Publication date
WO2004072793A3 (en) 2006-04-20
NO20053949L (no) 2005-11-03
WO2004072793A2 (en) 2004-08-26
GB2419793A (en) 2006-05-03
GB0517850D0 (en) 2005-10-12
NO20053949D0 (no) 2005-08-24
AU2004211768A1 (en) 2004-08-26
US20040155794A1 (en) 2004-08-12
CA2515193A1 (en) 2004-08-26
FR2851008A1 (fr) 2004-08-13

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A, 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.