BR8800035A - Aperfeicoamento sistema para transmissao de dados que serve a um furo de poco,aperfeicoado meio para transmissao de sinais eletricos atraves de uma linha de prospeccao e processo de transmitir sinal dos dados em furo de poco - Google Patents

Aperfeicoamento sistema para transmissao de dados que serve a um furo de poco,aperfeicoado meio para transmissao de sinais eletricos atraves de uma linha de prospeccao e processo de transmitir sinal dos dados em furo de poco

Info

Publication number
BR8800035A
BR8800035A BR8800035A BR8800035A BR8800035A BR 8800035 A BR8800035 A BR 8800035A BR 8800035 A BR8800035 A BR 8800035A BR 8800035 A BR8800035 A BR 8800035A BR 8800035 A BR8800035 A BR 8800035A
Authority
BR
Brazil
Prior art keywords
poco
hole
transmission
data
serves
Prior art date
Application number
BR8800035A
Other languages
English (en)
Inventor
Mig Allen Howard
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of BR8800035A publication Critical patent/BR8800035A/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
    • E21B47/13—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 by electromagnetic energy, e.g. radio frequency
    • 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
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E21B47/017—Protecting measuring instruments

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Electromagnetism (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Earth Drilling (AREA)
  • Communication Control (AREA)
BR8800035A 1987-01-08 1988-01-07 Aperfeicoamento sistema para transmissao de dados que serve a um furo de poco,aperfeicoado meio para transmissao de sinais eletricos atraves de uma linha de prospeccao e processo de transmitir sinal dos dados em furo de poco BR8800035A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/001,286 US4788544A (en) 1987-01-08 1987-01-08 Well bore data transmission system

Publications (1)

Publication Number Publication Date
BR8800035A true BR8800035A (pt) 1988-08-02

Family

ID=21695261

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8800035A BR8800035A (pt) 1987-01-08 1988-01-07 Aperfeicoamento sistema para transmissao de dados que serve a um furo de poco,aperfeicoado meio para transmissao de sinais eletricos atraves de uma linha de prospeccao e processo de transmitir sinal dos dados em furo de poco

Country Status (7)

Country Link
US (1) US4788544A (pt)
EP (1) EP0274457B1 (pt)
JP (1) JPS63176589A (pt)
BR (1) BR8800035A (pt)
CA (1) CA1255358A (pt)
DE (1) DE3861322D1 (pt)
NO (1) NO880031L (pt)

Families Citing this family (145)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845493A (en) * 1987-01-08 1989-07-04 Hughes Tool Company Well bore data transmission system with battery preserving switch
US4884071A (en) * 1987-01-08 1989-11-28 Hughes Tool Company Wellbore tool with hall effect coupling
US4914433A (en) * 1988-04-19 1990-04-03 Hughes Tool Company Conductor system for well bore data transmission
JPH02209515A (ja) * 1989-02-07 1990-08-21 Kajima Corp 土質調査方法
US5160925C1 (en) * 1991-04-17 2001-03-06 Halliburton Co Short hop communication link for downhole mwd system
US5172112A (en) * 1991-11-15 1992-12-15 Abb Vetco Gray Inc. Subsea well pressure monitor
US6710600B1 (en) 1994-08-01 2004-03-23 Baker Hughes Incorporated Drillpipe structures to accommodate downhole testing
US6230822B1 (en) * 1995-02-16 2001-05-15 Baker Hughes Incorporated Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
EP0728915B1 (en) * 1995-02-16 2006-01-04 Baker Hughes Incorporated Method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations
US6742596B2 (en) 2001-05-17 2004-06-01 Weatherford/Lamb, Inc. Apparatus and methods for tubular makeup interlock
US6536520B1 (en) 2000-04-17 2003-03-25 Weatherford/Lamb, Inc. Top drive casing system
US5942990A (en) * 1997-10-24 1999-08-24 Halliburton Energy Services, Inc. Electromagnetic signal repeater and method for use of same
US6177882B1 (en) 1997-12-01 2001-01-23 Halliburton Energy Services, Inc. Electromagnetic-to-acoustic and acoustic-to-electromagnetic repeaters and methods for use of same
US6144316A (en) * 1997-12-01 2000-11-07 Halliburton Energy Services, Inc. Electromagnetic and acoustic repeater and method for use of same
US6218959B1 (en) 1997-12-03 2001-04-17 Halliburton Energy Services, Inc. Fail safe downhole signal repeater
US6018501A (en) * 1997-12-10 2000-01-25 Halliburton Energy Services, Inc. Subsea repeater and method for use of the same
US6018301A (en) * 1997-12-29 2000-01-25 Halliburton Energy Services, Inc. Disposable electromagnetic signal repeater
US6098727A (en) * 1998-03-05 2000-08-08 Halliburton Energy Services, Inc. Electrically insulating gap subassembly for downhole electromagnetic transmission
CA2272044C (en) * 1998-05-18 2005-10-25 Denis S. Kopecki Drillpipe structures to accommodate downhole testing
US20030147360A1 (en) * 2002-02-06 2003-08-07 Michael Nero Automated wellbore apparatus
US7513305B2 (en) 1999-01-04 2009-04-07 Weatherford/Lamb, Inc. Apparatus and methods for operating a tool in a wellbore
US7407006B2 (en) 1999-01-04 2008-08-05 Weatherford/Lamb, Inc. System for logging formations surrounding a wellbore
US6845822B2 (en) * 1999-05-24 2005-01-25 Merlin Technology, Inc Auto-extending/retracting electrically isolated conductors in a segmented drill string
CA2416053C (en) * 2000-07-19 2008-11-18 Novatek Engineering Inc. Downhole data transmission system
US7098767B2 (en) * 2000-07-19 2006-08-29 Intelliserv, Inc. Element for use in an inductive coupler for downhole drilling components
US6992554B2 (en) * 2000-07-19 2006-01-31 Intelliserv, Inc. Data transmission element for downhole drilling components
US7253745B2 (en) * 2000-07-19 2007-08-07 Intelliserv, Inc. Corrosion-resistant downhole transmission system
US7040003B2 (en) * 2000-07-19 2006-05-09 Intelliserv, Inc. Inductive coupler for downhole components and method for making same
US6670880B1 (en) 2000-07-19 2003-12-30 Novatek Engineering, Inc. Downhole data transmission system
US6888473B1 (en) 2000-07-20 2005-05-03 Intelliserv, Inc. Repeatable reference for positioning sensors and transducers in drill pipe
US6847300B2 (en) * 2001-02-02 2005-01-25 Motorola, Inc. Electric power meter including a temperature sensor and controller
US6467341B1 (en) 2001-04-24 2002-10-22 Schlumberger Technology Corporation Accelerometer caliper while drilling
US6856255B2 (en) * 2002-01-18 2005-02-15 Schlumberger Technology Corporation Electromagnetic power and communication link particularly adapted for drill collar mounted sensor systems
SE524538C2 (sv) * 2002-02-19 2004-08-24 Volvo Lastvagnar Ab Anordning för styrning av utgående motormoment vid lastfordon utrustat med differentialspärrar
US6666274B2 (en) 2002-05-15 2003-12-23 Sunstone Corporation Tubing containing electrical wiring insert
US7362235B1 (en) * 2002-05-15 2008-04-22 Sandria Corporation Impedance-matched drilling telemetry system
US7105098B1 (en) 2002-06-06 2006-09-12 Sandia Corporation Method to control artifacts of microstructural fabrication
US6799632B2 (en) 2002-08-05 2004-10-05 Intelliserv, Inc. Expandable metal liner for downhole components
US7243717B2 (en) * 2002-08-05 2007-07-17 Intelliserv, Inc. Apparatus in a drill string
US7730965B2 (en) 2002-12-13 2010-06-08 Weatherford/Lamb, Inc. Retractable joint and cementing shoe for use in completing a wellbore
CA2499331A1 (en) * 2002-10-10 2004-04-22 Varco I/P, Inc. Apparatus and method for transmitting a signal in a wellbore
US20040206511A1 (en) * 2003-04-21 2004-10-21 Tilton Frederick T. Wired casing
US7163065B2 (en) * 2002-12-06 2007-01-16 Shell Oil Company Combined telemetry system and method
US7224288B2 (en) * 2003-07-02 2007-05-29 Intelliserv, Inc. Link module for a downhole drilling network
US7193527B2 (en) * 2002-12-10 2007-03-20 Intelliserv, Inc. Swivel assembly
US7207396B2 (en) * 2002-12-10 2007-04-24 Intelliserv, Inc. Method and apparatus of assessing down-hole drilling conditions
US6982384B2 (en) * 2003-09-25 2006-01-03 Intelliserv, Inc. Load-resistant coaxial transmission line
US7098802B2 (en) * 2002-12-10 2006-08-29 Intelliserv, Inc. Signal connection for a downhole tool string
US7938201B2 (en) 2002-12-13 2011-05-10 Weatherford/Lamb, Inc. Deep water drilling with casing
US7100689B2 (en) * 2002-12-23 2006-09-05 The Charles Stark Draper Laboratory Inc. Sensor apparatus and method of using same
US6844498B2 (en) * 2003-01-31 2005-01-18 Novatek Engineering Inc. Data transmission system for a downhole component
US6830467B2 (en) * 2003-01-31 2004-12-14 Intelliserv, Inc. Electrical transmission line diametrical retainer
US7852232B2 (en) * 2003-02-04 2010-12-14 Intelliserv, Inc. Downhole tool adapted for telemetry
USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
US20050001738A1 (en) * 2003-07-02 2005-01-06 Hall David R. Transmission element for downhole drilling components
US6929493B2 (en) 2003-05-06 2005-08-16 Intelliserv, Inc. Electrical contact for downhole drilling networks
US7528736B2 (en) * 2003-05-06 2009-05-05 Intelliserv International Holding Loaded transducer for downhole drilling components
US6913093B2 (en) * 2003-05-06 2005-07-05 Intelliserv, Inc. Loaded transducer for downhole drilling components
US7053788B2 (en) * 2003-06-03 2006-05-30 Intelliserv, Inc. Transducer for downhole drilling components
US6981546B2 (en) * 2003-06-09 2006-01-03 Intelliserv, Inc. Electrical transmission line diametrical retention mechanism
US7193526B2 (en) * 2003-07-02 2007-03-20 Intelliserv, Inc. Downhole tool
US20050001736A1 (en) * 2003-07-02 2005-01-06 Hall David R. Clamp to retain an electrical transmission line in a passageway
US7650944B1 (en) 2003-07-11 2010-01-26 Weatherford/Lamb, Inc. Vessel for well intervention
US7390032B2 (en) * 2003-08-01 2008-06-24 Sonstone Corporation Tubing joint of multiple orientations containing electrical wiring
US7226090B2 (en) 2003-08-01 2007-06-05 Sunstone Corporation Rod and tubing joint of multiple orientations containing electrical wiring
US7139218B2 (en) * 2003-08-13 2006-11-21 Intelliserv, Inc. Distributed downhole drilling network
US7019665B2 (en) * 2003-09-02 2006-03-28 Intelliserv, Inc. Polished downhole transducer having improved signal coupling
US6991035B2 (en) * 2003-09-02 2006-01-31 Intelliserv, Inc. Drilling jar for use in a downhole network
US20050074998A1 (en) * 2003-10-02 2005-04-07 Hall David R. Tool Joints Adapted for Electrical Transmission
US7017667B2 (en) * 2003-10-31 2006-03-28 Intelliserv, Inc. Drill string transmission line
US20050093296A1 (en) * 2003-10-31 2005-05-05 Hall David R. An Upset Downhole Component
US6968611B2 (en) * 2003-11-05 2005-11-29 Intelliserv, Inc. Internal coaxial cable electrical connector for use in downhole tools
US20050107079A1 (en) * 2003-11-14 2005-05-19 Schultz Roger L. Wireless telemetry systems and methods for real time transmission of electromagnetic signals through a lossy environment
US6945802B2 (en) * 2003-11-28 2005-09-20 Intelliserv, Inc. Seal for coaxial cable in downhole tools
US20050115717A1 (en) * 2003-11-29 2005-06-02 Hall David R. Improved Downhole Tool Liner
US7291303B2 (en) * 2003-12-31 2007-11-06 Intelliserv, Inc. Method for bonding a transmission line to a downhole tool
US7069999B2 (en) * 2004-02-10 2006-07-04 Intelliserv, Inc. Apparatus and method for routing a transmission line through a downhole tool
US7555391B2 (en) * 2004-03-04 2009-06-30 Halliburton Energy Services, Inc. Multiple distributed force measurements
US20050284659A1 (en) * 2004-06-28 2005-12-29 Hall David R Closed-loop drilling system using a high-speed communications network
US7253671B2 (en) 2004-06-28 2007-08-07 Intelliserv, Inc. Apparatus and method for compensating for clock drift in downhole drilling components
US7091810B2 (en) 2004-06-28 2006-08-15 Intelliserv, Inc. Element of an inductive coupler
US7198118B2 (en) * 2004-06-28 2007-04-03 Intelliserv, Inc. Communication adapter for use with a drilling component
US7319410B2 (en) * 2004-06-28 2008-01-15 Intelliserv, Inc. Downhole transmission system
US7093654B2 (en) * 2004-07-22 2006-08-22 Intelliserv, Inc. Downhole component with a pressure equalization passageway
US7201240B2 (en) * 2004-07-27 2007-04-10 Intelliserv, Inc. Biased insert for installing data transmission components in downhole drilling pipe
US7274304B2 (en) * 2004-07-27 2007-09-25 Intelliserv, Inc. System for loading executable code into volatile memory in a downhole tool
US7165633B2 (en) * 2004-09-28 2007-01-23 Intelliserv, Inc. Drilling fluid filter
US7303029B2 (en) * 2004-09-28 2007-12-04 Intelliserv, Inc. Filter for a drill string
US7135933B2 (en) * 2004-09-29 2006-11-14 Intelliserv, Inc. System for adjusting frequency of electrical output pulses derived from an oscillator
US8033328B2 (en) * 2004-11-05 2011-10-11 Schlumberger Technology Corporation Downhole electric power generator
US7156676B2 (en) * 2004-11-10 2007-01-02 Hydril Company Lp Electrical contractors embedded in threaded connections
US7548068B2 (en) * 2004-11-30 2009-06-16 Intelliserv International Holding, Ltd. System for testing properties of a network
GB0426594D0 (en) * 2004-12-03 2005-01-05 Expro North Sea Ltd Downhole communication
US7298287B2 (en) * 2005-02-04 2007-11-20 Intelliserv, Inc. Transmitting data through a downhole environment
US7132904B2 (en) * 2005-02-17 2006-11-07 Intelliserv, Inc. Apparatus for reducing noise
US7489134B2 (en) * 2005-03-10 2009-02-10 Arcady Reiderman Magnetic sensing assembly for measuring time varying magnetic fields of geological formations
US7212040B2 (en) * 2005-05-16 2007-05-01 Intelliserv, Inc. Stabilization of state-holding circuits at high temperatures
US20060256718A1 (en) * 2005-05-16 2006-11-16 Hall David R Apparatus for Regulating Bandwidth
US8264369B2 (en) 2005-05-21 2012-09-11 Schlumberger Technology Corporation Intelligent electrical power distribution system
US7382273B2 (en) * 2005-05-21 2008-06-03 Hall David R Wired tool string component
US7504963B2 (en) 2005-05-21 2009-03-17 Hall David R System and method for providing electrical power downhole
US7535377B2 (en) 2005-05-21 2009-05-19 Hall David R Wired tool string component
US7268697B2 (en) * 2005-07-20 2007-09-11 Intelliserv, Inc. Laterally translatable data transmission apparatus
US20070023185A1 (en) * 2005-07-28 2007-02-01 Hall David R Downhole Tool with Integrated Circuit
US8826972B2 (en) * 2005-07-28 2014-09-09 Intelliserv, Llc Platform for electrically coupling a component to a downhole transmission line
US7275594B2 (en) * 2005-07-29 2007-10-02 Intelliserv, Inc. Stab guide
US7299867B2 (en) * 2005-09-12 2007-11-27 Intelliserv, Inc. Hanger mounted in the bore of a tubular component
US7649474B1 (en) 2005-11-16 2010-01-19 The Charles Machine Works, Inc. System for wireless communication along a drill string
US7571780B2 (en) 2006-03-24 2009-08-11 Hall David R Jack element for a drill bit
US8360174B2 (en) 2006-03-23 2013-01-29 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US8297375B2 (en) 2005-11-21 2012-10-30 Schlumberger Technology Corporation Downhole turbine
US8408336B2 (en) 2005-11-21 2013-04-02 Schlumberger Technology Corporation Flow guide actuation
US8522897B2 (en) 2005-11-21 2013-09-03 Schlumberger Technology Corporation Lead the bit rotary steerable tool
US7298286B2 (en) * 2006-02-06 2007-11-20 Hall David R Apparatus for interfacing with a transmission path
US7598886B2 (en) * 2006-04-21 2009-10-06 Hall David R System and method for wirelessly communicating with a downhole drill string
CA2544457C (en) 2006-04-21 2009-07-07 Mostar Directional Technologies Inc. System and method for downhole telemetry
US7336199B2 (en) * 2006-04-28 2008-02-26 Halliburton Energy Services, Inc Inductive coupling system
US7857052B2 (en) 2006-05-12 2010-12-28 Weatherford/Lamb, Inc. Stage cementing methods used in casing while drilling
US8276689B2 (en) 2006-05-22 2012-10-02 Weatherford/Lamb, Inc. Methods and apparatus for drilling with casing
US7595737B2 (en) * 2006-07-24 2009-09-29 Halliburton Energy Services, Inc. Shear coupled acoustic telemetry system
US7557492B2 (en) * 2006-07-24 2009-07-07 Halliburton Energy Services, Inc. Thermal expansion matching for acoustic telemetry system
AU2008242797B2 (en) * 2007-04-20 2011-07-14 Shell Internationale Research Maatschappij B.V. In situ recovery from residually heated sections in a hydrocarbon containing formation
US7934570B2 (en) * 2007-06-12 2011-05-03 Schlumberger Technology Corporation Data and/or PowerSwivel
US8242928B2 (en) * 2008-05-23 2012-08-14 Martin Scientific Llc Reliable downhole data transmission system
US8810428B2 (en) * 2008-09-02 2014-08-19 Schlumberger Technology Corporation Electrical transmission between rotating and non-rotating members
FR2936554B1 (fr) * 2008-09-30 2010-10-29 Vam Drilling France Element de garniture de forage a instruments
WO2010078197A1 (en) 2009-01-02 2010-07-08 Martin Scientific Llc Reliable wired-pipe data transmission system
US8049506B2 (en) 2009-02-26 2011-11-01 Aquatic Company Wired pipe with wireless joint transceiver
US8028768B2 (en) * 2009-03-17 2011-10-04 Schlumberger Technology Corporation Displaceable plug in a tool string filter
BE1022391B1 (fr) * 2009-03-24 2016-03-21 Tercel Ip Ltd Dispositif comprenant un equipement de mesure de parametres d'une operation de forage ou de carottage et installation comprenant un tel dispositif
US9175515B2 (en) * 2010-12-23 2015-11-03 Schlumberger Technology Corporation Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same
US9309720B2 (en) * 2012-11-09 2016-04-12 Scientific Drilling International, Inc. Double shaft drilling apparatus with hanger bearings
US9810806B2 (en) 2012-12-21 2017-11-07 Baker Hughes Incorporated Electronic frame for use with coupled conduit segments
GB2527430B (en) * 2012-12-21 2018-05-02 Baker Hughes Inc Electronic frame for use with coupled conduit segments
US9598951B2 (en) * 2013-05-08 2017-03-21 Baker Hughes Incorporated Coupled electronic and power supply frames for use with borehole conduit connections
CN103266885A (zh) * 2013-05-15 2013-08-28 中国石油化工股份有限公司 气体钻井随钻通讯中继短节
US20150061885A1 (en) * 2013-08-28 2015-03-05 Baker Hughes Incorporated Wired pipe surface sub
US9512682B2 (en) 2013-11-22 2016-12-06 Baker Hughes Incorporated Wired pipe and method of manufacturing wired pipe
US9920581B2 (en) 2014-02-24 2018-03-20 Baker Hughes, A Ge Company, Llc Electromagnetic directional coupler wired pipe transmission device
US10329856B2 (en) 2015-05-19 2019-06-25 Baker Hughes, A Ge Company, Llc Logging-while-tripping system and methods
WO2017007591A1 (en) 2015-07-06 2017-01-12 Martin Scientific, Llc Dipole antennas for wired-pipe systems
WO2017127932A1 (en) * 2016-01-27 2017-08-03 Evolution Engineering Inc. Multi-mode control of downhole tools
US9797234B1 (en) 2016-09-06 2017-10-24 Baker Hughes Incorporated Real time untorquing and over-torquing of drill string connections
CA3100077A1 (en) * 2018-05-18 2019-11-21 Mccoy Global Inc. Sensor on clamp device
CN109057780B (zh) * 2018-07-12 2024-04-05 东营市创元石油机械制造有限公司 石油钻井中带有线通讯的随钻电磁波测量***

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2379800A (en) * 1941-09-11 1945-07-03 Texas Co Signal transmission system
US2414719A (en) * 1942-04-25 1947-01-21 Stanolind Oil & Gas Co Transmission system
US2370818A (en) * 1942-07-30 1945-03-06 Stanolind Oil & Gas Co Well measurement
US3090031A (en) * 1959-09-29 1963-05-14 Texaco Inc Signal transmission system
US3186222A (en) * 1960-07-28 1965-06-01 Mccullough Tool Co Well signaling system
BE626380A (pt) * 1961-12-22
US3387606A (en) * 1962-03-12 1968-06-11 Robertshaw Controls Co Inductive signal transfer device, useful for aviators' helmets
US3209323A (en) * 1962-10-02 1965-09-28 Texaco Inc Information retrieval system for logging while drilling
US3332009A (en) * 1963-11-04 1967-07-18 United States Steel Corp Apparatus for detecting the relative location of a member in a selected coordinate direction
US3495209A (en) * 1968-11-13 1970-02-10 Marguerite Curtice Underwater communications system
DE2246424A1 (de) * 1972-09-21 1974-04-04 Siemens Ag Einrichtung zur uebertragung von steuerbefehlen von einem feststehenden auf einen rotierenden teil von elektrischen maschinen
US3905010A (en) * 1973-10-16 1975-09-09 Basic Sciences Inc Well bottom hole status system
JPS513548A (en) * 1974-06-26 1976-01-13 Mitsubishi Electric Corp Shingodensosochi
US4390975A (en) * 1978-03-20 1983-06-28 Nl Sperry-Sun, Inc. Data transmission in a drill string
GB1571677A (en) * 1978-04-07 1980-07-16 Shell Int Research Pipe section for use in a borehole
US4215426A (en) * 1978-05-01 1980-07-29 Frederick Klatt Telemetry and power transmission for enclosed fluid systems
US4468665A (en) * 1981-01-30 1984-08-28 Tele-Drill, Inc. Downhole digital power amplifier for a measurements-while-drilling telemetry system
US4403218A (en) * 1981-08-19 1983-09-06 The United States Of America As Represented By The Secretary Of The Navy Portable instrumentation telemetry device
US4538248A (en) * 1982-04-01 1985-08-27 Mobil Oil Corporation Recording system for a borehole logging tool
US4605268A (en) * 1982-11-08 1986-08-12 Nl Industries, Inc. Transformer cable connector
DE3336717A1 (de) * 1983-10-08 1985-04-25 Dai Nippon Printing Co., Ltd., Tokio/Tokyo Verfahren und vorrichtung zur kontaktlosen, elektromagnetischen hin- und rueckuebertragung von steuerbefehlen und daten

Also Published As

Publication number Publication date
EP0274457A3 (en) 1989-03-01
JPS63176589A (ja) 1988-07-20
CA1255358A (en) 1989-06-06
DE3861322D1 (de) 1991-02-07
NO880031D0 (no) 1988-01-06
US4788544A (en) 1988-11-29
EP0274457B1 (en) 1991-01-02
EP0274457A2 (en) 1988-07-13
NO880031L (no) 1988-07-11

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