MXPA05003265A - Una herramienta de fondo de pozo de propagacion y resistividad lateral combinadas. - Google Patents

Una herramienta de fondo de pozo de propagacion y resistividad lateral combinadas.

Info

Publication number
MXPA05003265A
MXPA05003265A MXPA05003265A MXPA05003265A MXPA05003265A MX PA05003265 A MXPA05003265 A MX PA05003265A MX PA05003265 A MXPA05003265 A MX PA05003265A MX PA05003265 A MXPA05003265 A MX PA05003265A MX PA05003265 A MXPA05003265 A MX PA05003265A
Authority
MX
Mexico
Prior art keywords
lateral resistivity
downhole tool
combined propagation
disposed
propagation
Prior art date
Application number
MXPA05003265A
Other languages
English (en)
Inventor
Dion Dominique
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of MXPA05003265A publication Critical patent/MXPA05003265A/es

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/01Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017Protecting measuring instruments
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26Electric 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Details Of Aerials (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

Una herramienta de resistividad combinada que incorpora ambas antenas de induccion/propagacion y antenas de resistividad lateral dispuestas en rebajos de tubulares de fondo de pozo, en donde una antena de resistividad lateral incluye una capa de base aislante dispuesta en el rebajo; una antena toroidal dispuesta sobre la capa de base aislante; y un escudo dispuesto sobre el rebajo.
MXPA05003265A 2004-04-01 2005-03-28 Una herramienta de fondo de pozo de propagacion y resistividad lateral combinadas. MXPA05003265A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/708,926 US7525315B2 (en) 2004-04-01 2004-04-01 Resistivity logging tool and method for building the resistivity logging tool

Publications (1)

Publication Number Publication Date
MXPA05003265A true MXPA05003265A (es) 2005-10-18

Family

ID=34552642

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA05003265A MXPA05003265A (es) 2004-04-01 2005-03-28 Una herramienta de fondo de pozo de propagacion y resistividad lateral combinadas.

Country Status (8)

Country Link
US (2) US7525315B2 (es)
CN (2) CN101592031B (es)
CA (1) CA2502154C (es)
DE (1) DE102005014708A1 (es)
FR (1) FR2868466B1 (es)
GB (1) GB2412744B (es)
MX (1) MXPA05003265A (es)
RU (1) RU2398112C2 (es)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7659722B2 (en) 1999-01-28 2010-02-09 Halliburton Energy Services, Inc. Method for azimuthal resistivity measurement and bed boundary detection
US6163155A (en) * 1999-01-28 2000-12-19 Dresser Industries, Inc. Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formations
US7239145B2 (en) * 2004-03-29 2007-07-03 Schlumberger Technology Center Subsurface electromagnetic measurements using cross-magnetic dipoles
US20060214664A1 (en) * 2005-03-24 2006-09-28 Baker Hughes Incorporated OBM sensor with a loop antenna
US7394257B2 (en) * 2005-03-30 2008-07-01 Schlumberger Technology Corporation Modular downhole tool system
US7183778B2 (en) * 2005-07-19 2007-02-27 Schlumberger Technology Corporation Apparatus and method to measure fluid resistivity
US7673679B2 (en) * 2005-09-19 2010-03-09 Schlumberger Technology Corporation Protective barriers for small devices
US7365545B2 (en) * 2005-12-29 2008-04-29 Baker Hughes Incorporated Two-axial pad formation resistivity imager
US7612567B2 (en) * 2005-12-29 2009-11-03 Baker Hughes Incorporated Two-axial pad formation resistivity imager
GB2453275B (en) 2006-05-01 2009-09-02 Schlumberger Holdings Logging tool sonde sleeve
BRPI0621794B1 (pt) * 2006-06-19 2019-07-16 Halliburton Energy Services, Inc Aparelho e método para perfuração furo abaixo
US8222902B2 (en) 2006-07-11 2012-07-17 Halliburton Energy Services, Inc. Modular geosteering tool assembly
US8264228B2 (en) 2006-07-12 2012-09-11 Halliburton Energy Services, Inc. Method and apparatus for building a tilted antenna
WO2008021868A2 (en) 2006-08-08 2008-02-21 Halliburton Energy Services, Inc. Resistivty logging with reduced dip artifacts
US8203344B2 (en) * 2006-09-14 2012-06-19 Baker Hughes Incorporated Method and apparatus for resistivity imaging in boreholes with an antenna and two spaced apart electrodes
US7427862B2 (en) * 2006-09-29 2008-09-23 Baker Hughes Incorporated Increasing the resolution of electromagnetic tools for resistivity evaluations in near borehole zones
EP2066866B1 (en) 2006-12-15 2018-09-12 Halliburton Energy Services, Inc. Antenna coupling component measurement tool having rotating antenna configuration
US20090230969A1 (en) * 2007-02-19 2009-09-17 Hall David R Downhole Acoustic Receiver with Canceling Element
US8436618B2 (en) * 2007-02-19 2013-05-07 Schlumberger Technology Corporation Magnetic field deflector in an induction resistivity tool
US8395388B2 (en) * 2007-02-19 2013-03-12 Schlumberger Technology Corporation Circumferentially spaced magnetic field generating devices
US8378908B2 (en) 2007-03-12 2013-02-19 Precision Energy Services, Inc. Array antenna for measurement-while-drilling
AU2007349251B2 (en) 2007-03-16 2011-02-24 Halliburton Energy Services, Inc. Robust inversion systems and methods for azimuthally sensitive resistivity logging tools
US7962287B2 (en) * 2007-07-23 2011-06-14 Schlumberger Technology Corporation Method and apparatus for optimizing magnetic signals and detecting casing and resistivity
US7723989B2 (en) * 2007-08-31 2010-05-25 Schlumberger Technology Corporation Transducer assemblies for subsurface use
US9732559B2 (en) 2008-01-18 2017-08-15 Halliburton Energy Services, Inc. EM-guided drilling relative to an existing borehole
US8036830B2 (en) * 2008-05-29 2011-10-11 Baker Hughes Incorporated Resistivity imager in non-conductive mud for LWD and wireline applications
US8164339B2 (en) * 2008-06-09 2012-04-24 Baker Hughes Incorporated Apparatus and system for geosteering and formation evaluation utilizing improved antennas
US8378842B2 (en) * 2008-06-19 2013-02-19 Schlumberger Technology Corporation Downhole component with an electrical device in a blind-hole
US8035392B2 (en) * 2008-10-17 2011-10-11 Baker Hughes Incorporated Method and apparatus for while-drilling transient resistivity measurements
US8212567B2 (en) * 2008-10-20 2012-07-03 Baker Hughes Incorporated Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses
AU2008365630B2 (en) 2008-12-16 2012-05-03 Halliburton Energy Services, Inc. Azimuthal at-bit resistivity and geosteering methods and systems
US8069931B2 (en) * 2009-04-09 2011-12-06 Phoenix Technology Services Lp System, method and apparatus for downhole system having integrated measurement while operating components
US8497673B2 (en) * 2009-09-28 2013-07-30 Schlumberger Technology Corporation Directional resistivity antenna shield
WO2011043851A1 (en) * 2009-10-05 2011-04-14 Halliburton Energy Services, Inc. Deep evaluation of resistive anomalies in borehole environments
GB2486154B (en) * 2009-10-08 2015-03-04 Multi Phase Technologies Llc System and method for electrical resistivity and/or impedance tomography in a borehole
BRPI1013305B1 (pt) 2010-01-22 2019-09-10 Halliburton Energy Services Inc sistema para medir uma resistividade de uma formação, método para determinar uma resistividade,e, broca de perfuração instrumentada
BRPI1011895A2 (pt) * 2010-01-22 2016-04-12 Halliburton Energy Services Inc conjuntos de broca de perfuração e de perfuração, e, métodos para avaliar uma formação durante uma operação de perfuração e para fabricar uma broca de perfuração
US9588250B2 (en) 2010-04-14 2017-03-07 Baker Hughes Incorporated Three-coil system with short nonconductive inserts for transient MWD resistivity measurements
CN101819282A (zh) * 2010-04-28 2010-09-01 中国石油天然气集团公司 一种用于测地层电阻率的电极
US9322796B2 (en) 2010-06-01 2016-04-26 Halliburton Energy Services, Inc. Fluid resistivity sensor
US20110316542A1 (en) * 2010-06-29 2011-12-29 Frey Mark T Slotted shield for logging-while-drilling tool
US9000873B2 (en) * 2010-07-05 2015-04-07 Schlumberger Technology Corporation Inductive couplers for use in a downhole environment
CN103080777B (zh) * 2010-08-26 2016-08-10 史密斯运输股份有限公司 用于在非导电性钻井液中微电阻率成像的设备和方法
US9158025B2 (en) 2010-09-16 2015-10-13 Baker Hughes Incorporated Pad device for resistivity imaging in the wells with oil based drilling fluid
US8695727B2 (en) 2011-02-25 2014-04-15 Merlin Technology, Inc. Drill string adapter and method for inground signal coupling
WO2012115779A2 (en) * 2011-02-25 2012-08-30 Merlin Technology Inc. Inground drill string housing and methods for signal coupling
EP2594735B1 (en) 2011-10-28 2014-07-02 Services Pétroliers Schlumberger Methods and systems for determining standoff between a downhole tool and a geological formation
MX347875B (es) * 2011-11-09 2017-05-16 Halliburton Energy Services Inc Barrena de perforacion para llevar a cabo las mediciones electromagneticas en una formacion subterranea.
US10823871B2 (en) 2011-11-15 2020-11-03 Halliburton Energy Services, Inc. Enhanced resistivity measurement with at-bit resistivity sensor
MX347942B (es) 2011-11-15 2017-05-19 Halliburton Energy Services Inc Anticipación de las aplicaciones de broca.
US20140368198A1 (en) * 2011-12-21 2014-12-18 Schlumberger Technology Corporation Insulation Structure For Well Logging Instrument Antennas
EP2634365B1 (en) * 2012-02-10 2017-06-28 Services Pétroliers Schlumberger Apparatus and methods for testing inductively coupled downhole systems
US9181798B2 (en) 2012-03-29 2015-11-10 Schlumberger Technology Corporation Removable modular antenna assembly for downhole applications
US10241227B2 (en) 2012-04-27 2019-03-26 Baker Hughes, A Ge Company, Llc Method and apparatus to detect formation boundaries ahead of the bit using multiple toroidal coils
CN102678103B (zh) * 2012-05-09 2015-02-18 中国电子科技集团公司第二十二研究所 随钻电磁波电阻率类仪器钻铤凹槽尺寸的制定方法
US20130320985A1 (en) * 2012-06-05 2013-12-05 Ce Liu Apparatus and method for directional resistivity measurement while drilling using an antenna with a joint-coil structure
US9322678B1 (en) * 2012-06-08 2016-04-26 Electrochem Solutions, Inc. Antenna covering for wireless sensor
MX342269B (es) 2012-06-25 2016-09-22 Halliburton Energy Services Inc Sistemas y metodos de registro de antena inclinada que producen señales de medicion robustas.
US20140000910A1 (en) * 2012-06-29 2014-01-02 Tudor Palaghita Apparatus with rigid support and related methods
US9000940B2 (en) 2012-08-23 2015-04-07 Merlin Technology, Inc. Drill string inground isolator in an MWD system and associated method
US9863237B2 (en) 2012-11-26 2018-01-09 Baker Hughes, A Ge Company, Llc Electromagnetic telemetry apparatus and methods for use in wellbore applications
US9507045B2 (en) * 2012-12-18 2016-11-29 Schlumberger Technology Corporation Basalt fiber composite for antenna in well-logging
US9810806B2 (en) * 2012-12-21 2017-11-07 Baker Hughes Incorporated Electronic frame for use with coupled conduit segments
US20140253131A1 (en) * 2013-03-05 2014-09-11 Ce Liu Apparatus and Method for Directional Resistivity Measurement While Drilling Using Slot Antenna
US9422802B2 (en) 2013-03-14 2016-08-23 Merlin Technology, Inc. Advanced drill string inground isolator housing in an MWD system and associated method
US9213125B2 (en) * 2013-03-22 2015-12-15 Oliden Technology, Llc Well logging apparatus and system
US9389332B2 (en) * 2013-04-01 2016-07-12 Oliden Technology, Llc Method and tool for directional electromagnetic well logging
CA2913703C (en) 2013-05-31 2020-09-29 Evolution Engineering Inc. Downhole pocket electronics
US9964660B2 (en) * 2013-07-15 2018-05-08 Baker Hughes, A Ge Company, Llc Electromagnetic telemetry apparatus and methods for use in wellbores
WO2015058359A1 (zh) * 2013-10-22 2015-04-30 信远达石油服务有限公司 钻井辅助系统
WO2015168805A1 (en) 2014-05-08 2015-11-12 Evolution Engineering Inc. Jig for coupling or uncoupling drill string sections with detachable couplings and related methods
WO2015168804A1 (en) 2014-05-08 2015-11-12 Evolution Engineering Inc. Drill string sections with interchangeable couplings
CA2946170C (en) 2014-05-08 2022-09-20 Evolution Engineering Inc. Gap assembly for em data telemetry
CN106460497B (zh) 2014-05-09 2020-10-23 开拓工程股份有限公司 井下电子装置承载件
US9976404B2 (en) * 2014-05-20 2018-05-22 Baker Hughes, A Ge Company, Llc Downhole tool including a multi-chip module housing
US9920617B2 (en) 2014-05-20 2018-03-20 Baker Hughes, A Ge Company, Llc Removeable electronic component access member for a downhole system
CA2954349C (en) * 2014-08-08 2020-03-31 Halliburton Energy Services, Inc. Magnetometer mounting for isolation and interference reduction
US10508533B2 (en) 2014-08-11 2019-12-17 Halliburton Energy Services, Inc. Well ranging apparatus, systems, and methods
EP3012670A1 (en) * 2014-10-22 2016-04-27 Services Petroliers Schlumberger Flat metallic strip toroidal coil
CN104405378B (zh) * 2014-12-12 2017-01-25 中国石油天然气集团公司 一种电磁波电阻率随钻测井仪
CA2967286C (en) * 2014-12-18 2021-03-02 Halliburton Energy Services, Inc. High-efficiency downhole wireless communication
AU2014415641B2 (en) 2014-12-29 2018-03-15 Halliburton Energy Services, Inc. Electromagnetically coupled band-gap transceivers
RU2579177C1 (ru) * 2015-01-14 2016-04-10 Открытое акционерное общество "Нефтяная компания "Роснефть" Устройство для генерации электромагнитного поля тороидальной катушкой в геологической среде
RU2578774C1 (ru) * 2015-01-14 2016-03-27 Открытое акционерное общество "Нефтяная компания "Роснефть" Устройство для регистрации характеристик электромагнитного поля с использованием тороидальных катушек
WO2016114783A1 (en) * 2015-01-16 2016-07-21 Halliburton Energy Services, Inc. Dedicated wireways for collar-mounted bobbin antennas
US10027013B2 (en) 2015-01-16 2018-07-17 Halliburton Energy Services, Inc. Collar-mountable bobbin antenna having coil and ferrite slots
CN106285649B (zh) * 2015-05-13 2019-10-11 中国石油化工股份有限公司 地面信号发送装置、井下信号接收装置及数据传输系统
WO2016209270A1 (en) 2015-06-26 2016-12-29 Halliburton Energy Services, Inc. Antennas for wellbore logging tools and methods of manufacture
DE112015006464T5 (de) 2015-06-26 2017-12-28 Halliburton Energy Services, Inc. Antennen für Bohrlochaufzeichnungswerkzeuge und Herstellungsverfahren
AU2015403347A1 (en) 2015-07-27 2017-11-30 Halliburton Energy Services, Inc. Tilted antenna bobbins and methods of manufacture
US10519767B2 (en) * 2015-07-29 2019-12-31 Baker Hughes, A Ge Company, Llc Adaptive shell module with embedded functionality
WO2017065721A1 (en) 2015-10-12 2017-04-20 Halliburton Energy Services, Inc. Collocated coil antennas incorporating a symmetric soft magnetic band
BR112018005416A2 (pt) 2015-10-20 2018-10-16 Halliburton Energy Services Inc conjunto de antena, método e método para montar um conjunto de antena
CA2995449C (en) 2015-10-28 2020-11-03 Halliburton Energy Services, Inc. Inductive cavity sensors for resistivity tools
EP3337956A4 (en) * 2015-10-28 2018-09-26 Halliburton Energy Services, Inc. Transceiver with annular ring of high magnetic permeability material for enhanced short hop communications
US11442196B2 (en) 2015-12-18 2022-09-13 Halliburton Energy Services, Inc. Systems and methods to calibrate individual component measurement
WO2018009181A1 (en) * 2016-07-06 2018-01-11 Halliburton Energy Services, Inc. Antenna designs for wellbore logging tools
US11635398B2 (en) * 2016-07-27 2023-04-25 Schlumberger Technology Corporation Resistivity measurement for evaluating a fluid
US10761235B2 (en) 2016-10-31 2020-09-01 Weishan Han Applying E-field antennas to resistivity logging tools
US20210184355A1 (en) * 2017-06-27 2021-06-17 Halliburton Energy Services, Inc. Toroidally-wound toroidal winding antenna for high-frequency applications
CN107313771B (zh) * 2017-07-07 2023-09-26 贝兹维仪器(苏州)有限公司 一种带有电阻率测量功能的近钻头测量仪器
CN107191183A (zh) * 2017-07-10 2017-09-22 斯伦贝谢油田技术(山东)有限公司 一种钻井电阻率天线
US11143018B2 (en) * 2017-10-16 2021-10-12 Halliburton Energy Services, Inc. Environmental compensation system for downhole oilwell tools
CN109802718B (zh) * 2017-11-14 2021-03-23 中国石油化工股份有限公司 电磁随钻测量中继器和电磁随钻测量系统
CN108150159A (zh) * 2017-12-21 2018-06-12 中国电子科技集团公司第二十二研究所 测井仪
CN108590629B (zh) * 2018-03-23 2020-09-18 中国石油大学(北京) 井下三维扫描核磁共振成像测井仪探头、天线、及仪器
WO2020236208A1 (en) * 2019-05-20 2020-11-26 Halliburton Energy Services, Inc. Unitized downhole tool segment
US11047229B2 (en) * 2018-06-18 2021-06-29 Halliburton Energy Services, Inc. Wellbore tool including a petro-physical identification device and method for use thereof
US11913325B2 (en) * 2019-05-20 2024-02-27 Halliburton Energy Services, Inc. Unitized downhole tool segment
CN110410064B (zh) * 2019-06-19 2023-04-25 中国石油天然气集团有限公司 一种基于旋转导向的成像测井短节结构及旋转导向钻井装置
US10760414B1 (en) * 2019-07-12 2020-09-01 Isodrill, Inc. Data transmission system
CN112302619A (zh) * 2019-08-02 2021-02-02 中国石油化工股份有限公司 一种随钻成像电阻率仪器
WO2022104342A1 (en) * 2020-11-13 2022-05-19 Schlumberger Technology Corporation Method for making directional resistivity measurements of a subterranean formation
CN113431555B (zh) * 2021-06-22 2022-07-15 中海油田服务股份有限公司 一种随钻电成像仪器
CN115726773A (zh) * 2021-08-30 2023-03-03 中国石油化工股份有限公司 一种测量随钻前探地层电阻率的装置及方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354887A (en) 1942-10-29 1944-08-01 Stanolind Oil & Gas Co Well signaling system
US2987668A (en) 1956-05-29 1961-06-06 Schlumberger Well Surv Corp Systems for well logging
US3408561A (en) 1963-07-29 1968-10-29 Arps Corp Formation resistivity measurement while drilling, utilizing physical conditions representative of the signals from a toroidal coil located adjacent the drilling bit
US3993944A (en) 1975-12-22 1976-11-23 Texaco Inc. Movable oil measurement combining dual radio frequency induction and dual induction laterolog measurements
US4496174A (en) 1981-01-30 1985-01-29 Tele-Drill, Inc. Insulated drill collar gap sub assembly for a toroidal coupled telemetry system
US4348672A (en) 1981-03-04 1982-09-07 Tele-Drill, Inc. Insulated drill collar gap sub assembly for a toroidal coupled telemetry system
US4387372A (en) 1981-03-19 1983-06-07 Tele-Drill, Inc. Point gap assembly for a toroidal coupled telemetry system
US4525715A (en) 1981-11-25 1985-06-25 Tele-Drill, Inc. Toroidal coupled telemetry apparatus
US4536714A (en) 1982-04-16 1985-08-20 Schlumberger Technology Corporation Shields for antennas of borehole logging devices
US4659992A (en) 1982-06-23 1987-04-21 Schlumberger Technology Corp. Method and apparatus for electromagnetic logging with reduction of spurious modes
US4739325A (en) * 1982-09-30 1988-04-19 Macleod Laboratories, Inc. Apparatus and method for down-hole EM telemetry while drilling
US4553097A (en) * 1982-09-30 1985-11-12 Schlumberger Technology Corporation Well logging apparatus and method using transverse magnetic mode
US4785247A (en) 1983-06-27 1988-11-15 Nl Industries, Inc. Drill stem logging with electromagnetic waves and electrostatically-shielded and inductively-coupled transmitter and receiver elements
US4873488A (en) 1985-04-03 1989-10-10 Schlumberger Technology Corporation Induction logging sonde with metallic support having a coaxial insulating sleeve member
US4825166A (en) * 1987-01-27 1989-04-25 Sundstrand Data Control, Inc. Bobbin for a magnetic sensor
US4949045A (en) 1987-10-30 1990-08-14 Schlumberger Technology Corporation Well logging apparatus having a cylindrical housing with antennas formed in recesses and covered with a waterproof rubber layer
US4968940A (en) 1987-10-30 1990-11-06 Schlumberger Technology Corporation Well logging apparatus and method using two spaced apart transmitters with two receivers located between the transmitters
US5442294A (en) 1990-09-10 1995-08-15 Baker Hughes Incorporated Conductivity method and apparatus for measuring strata resistivity adjacent a borehole
EP0539118B1 (en) 1991-10-22 1997-12-17 Halliburton Energy Services, Inc. Method of logging while drilling
US5339037A (en) 1992-10-09 1994-08-16 Schlumberger Technology Corporation Apparatus and method for determining the resistivity of earth formations
US5235285A (en) 1991-10-31 1993-08-10 Schlumberger Technology Corporation Well logging apparatus having toroidal induction antenna for measuring, while drilling, resistivity of earth formations
NO306522B1 (no) 1992-01-21 1999-11-15 Anadrill Int Sa Fremgangsmaate for akustisk overföring av maalesignaler ved maaling under boring
US5463320A (en) 1992-10-09 1995-10-31 Schlumberger Technology Corporation Apparatus and method for determining the resitivity of underground formations surrounding a borehole
JPH0773308A (ja) * 1993-09-03 1995-03-17 Matsushita Electric Ind Co Ltd デジタル画像処理装置
US5530358A (en) 1994-01-25 1996-06-25 Baker Hughes, Incorporated Method and apparatus for measurement-while-drilling utilizing improved antennas
US5563512A (en) 1994-06-14 1996-10-08 Halliburton Company Well logging apparatus having a removable sleeve for sealing and protecting multiple antenna arrays
US5594343A (en) 1994-12-02 1997-01-14 Schlumberger Technology Corporation Well logging apparatus and method with borehole compensation including multiple transmitting antennas asymmetrically disposed about a pair of receiving antennas
US6100696A (en) 1998-01-09 2000-08-08 Sinclair; Paul L. Method and apparatus for directional measurement of subsurface electrical properties
US6300762B1 (en) 1998-02-19 2001-10-09 Schlumberger Technology Corporation Use of polyaryletherketone-type thermoplastics in a production well
US6084052A (en) 1998-02-19 2000-07-04 Schlumberger Technology Corporation Use of polyaryletherketone-type thermoplastics in downhole tools
US6098727A (en) 1998-03-05 2000-08-08 Halliburton Energy Services, Inc. Electrically insulating gap subassembly for downhole electromagnetic transmission
US6566881B2 (en) 1999-12-01 2003-05-20 Schlumberger Technology Corporation Shielding method and apparatus using transverse slots
US6670880B1 (en) * 2000-07-19 2003-12-30 Novatek Engineering, Inc. Downhole data transmission system
US6958610B2 (en) 2001-06-03 2005-10-25 Halliburton Energy Services, Inc. Method and apparatus measuring electrical anisotropy in formations surrounding a wellbore
US6577129B1 (en) * 2002-01-19 2003-06-10 Precision Drilling Technology Services Group Inc. Well logging system for determining directional resistivity using multiple transmitter-receiver groups focused with magnetic reluctance material

Also Published As

Publication number Publication date
GB0505656D0 (en) 2005-04-27
US7525315B2 (en) 2009-04-28
FR2868466B1 (fr) 2008-07-11
CA2502154A1 (en) 2005-10-01
DE102005014708A1 (de) 2005-10-13
RU2005109317A (ru) 2006-10-10
GB2412744A (en) 2005-10-05
CA2502154C (en) 2008-10-07
US20090179648A1 (en) 2009-07-16
CN100516929C (zh) 2009-07-22
RU2398112C2 (ru) 2010-08-27
CN101592031A (zh) 2009-12-02
CN101592031B (zh) 2013-07-31
CN1677129A (zh) 2005-10-05
US20050218898A1 (en) 2005-10-06
US8400160B2 (en) 2013-03-19
FR2868466A1 (fr) 2005-10-07
GB2412744B (en) 2006-07-05

Similar Documents

Publication Publication Date Title
MXPA05003265A (es) Una herramienta de fondo de pozo de propagacion y resistividad lateral combinadas.
AU2003294205A8 (en) Prostate cancer biomarkers
GB2390432B (en) Subsurface formation anisotropy determination with tilted or transverse magnetic dipole antennas
GB2387033B (en) Antenna structures for electromagnetic well logging tools
NO20030015D0 (no) Elektromagnetisk bölgemotstandsverktöy med skråstilt antenne
AU2003245607A8 (en) Multiple layer insulating sleeve
GB2422961B (en) An antenna base station
GB2387969B (en) Radio antennas
EP1608036A4 (en) ANTENNA OF EARPHONE, COMPOSITE COIL USED THEREFOR, COAXIAL CABLE AND RADIO DEVICE COMPRISING THIS EARPHONE ANTENNA
NO20042456L (no) Tolags stromplate antenne med utvidet bandbredde
DE50306428D1 (de) Laminat mit einer als Antennenstruktur ausgebildeten elektrisch leitfähigen Schicht
HK1041331A1 (zh) 隔熱移動計算機
AU2003223449A1 (en) Tri-band antenna
FR2837985B1 (fr) Antenne receptrice morcelee
TWI268519B (en) Inductor energy loss reduction techniques
SG149753A1 (en) Integrated circuit shield structure and method of fabrication thereof
EP1569516A4 (en) METHOD OF INHIBITING CANCER AND TARGET EDUCATION
EP1656715A4 (en) PROTECTION AGAINST ELECTROMAGNETIC INTERFERENCE FOR RADOMES
EP1531803A4 (en) METHOD OF INHIBITING THE PROLIFERATION OF CANCER CELLS
GB2428627B (en) Insulating phenolic foam sections
AU2003219983A1 (en) Immunotherapy for prostate cancer using recombinant bacille calmette-guerin expressing prostate specific antigens
AU2003262559A1 (en) Rlsa antenna having two orthogonal linear polarisations
SG135158A1 (en) Integrated circuit isolation system
PL375897A1 (en) A phenolic foam mixture, and an insulating phenolic foam
AU2003280693A1 (en) Prostate cancer tumor marker

Legal Events

Date Code Title Description
FG Grant or registration
HH Correction or change in general