NO894316D0 - Kombinasjonsverktoey for anvendelse nede i borehull i jordskorpen og anvendelse av verktoeyet. - Google Patents

Kombinasjonsverktoey for anvendelse nede i borehull i jordskorpen og anvendelse av verktoeyet.

Info

Publication number
NO894316D0
NO894316D0 NO894316A NO894316A NO894316D0 NO 894316 D0 NO894316 D0 NO 894316D0 NO 894316 A NO894316 A NO 894316A NO 894316 A NO894316 A NO 894316A NO 894316 D0 NO894316 D0 NO 894316D0
Authority
NO
Norway
Prior art keywords
tool
combination
borrow hole
borrow
hole
Prior art date
Application number
NO894316A
Other languages
English (en)
Other versions
NO301184B1 (no
NO894316L (no
Inventor
Robert L Waters
George F Roberts
Philip H Walters
Howard Charles Clark
Don D Fitzgerald
Otis V Ii Stelly
Original Assignee
Magrange 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 Magrange Inc filed Critical Magrange Inc
Publication of NO894316D0 publication Critical patent/NO894316D0/no
Publication of NO894316L publication Critical patent/NO894316L/no
Publication of NO301184B1 publication Critical patent/NO301184B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/09Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/092Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting magnetic anomalies
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/02Determining slope or direction
    • E21B47/022Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0228Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/04Directional drilling
    • E21B7/06Deflecting the direction of boreholes
    • E21B7/068Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
NO894316A 1988-10-28 1989-10-30 Fremgangsmåte og innretning for retningsboring av et avlastningsbrönn-borehull NO301184B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/264,445 US5064006A (en) 1988-10-28 1988-10-28 Downhole combination tool

Publications (3)

Publication Number Publication Date
NO894316D0 true NO894316D0 (no) 1989-10-30
NO894316L NO894316L (no) 1990-04-30
NO301184B1 NO301184B1 (no) 1997-09-22

Family

ID=23006104

Family Applications (1)

Application Number Title Priority Date Filing Date
NO894316A NO301184B1 (no) 1988-10-28 1989-10-30 Fremgangsmåte og innretning for retningsboring av et avlastningsbrönn-borehull

Country Status (9)

Country Link
US (1) US5064006A (no)
EP (1) EP0366567A3 (no)
BR (1) BR8907132A (no)
CA (1) CA2001745C (no)
DK (1) DK174567B1 (no)
MX (1) MX171679B (no)
MY (1) MY106320A (no)
NO (1) NO301184B1 (no)
WO (1) WO1990004697A1 (no)

Families Citing this family (121)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5230387A (en) * 1988-10-28 1993-07-27 Magrange, Inc. Downhole combination tool
US5419405A (en) * 1989-12-22 1995-05-30 Patton Consulting System for controlled drilling of boreholes along planned profile
US5194859A (en) * 1990-06-15 1993-03-16 Amoco Corporation Apparatus and method for positioning a tool in a deviated section of a borehole
GB9101631D0 (en) * 1991-01-25 1991-03-06 Chardec Consultants Ltd Improvements in remote sensing
US5271472A (en) * 1991-08-14 1993-12-21 Atlantic Richfield Company Drilling with casing and retrievable drill bit
WO1993012318A1 (en) * 1991-12-09 1993-06-24 Patton Bob J System for controlled drilling of boreholes along planned profile
US5305212A (en) * 1992-04-16 1994-04-19 Vector Magnetics, Inc. Alternating and static magnetic field gradient measurements for distance and direction determination
US5242025A (en) * 1992-06-30 1993-09-07 Union Oil Company Of California Guided oscillatory well path drilling by seismic imaging
DE69314289T2 (de) * 1992-12-07 1998-01-29 Akishima Lab Mitsui Zosen Inc System für Messungen während des Bohrens mit Druckpuls-Ventil zur Datenübertragung
US5456106A (en) * 1993-05-12 1995-10-10 Baker Hughes Incorporated Modular measurement while drilling sensor assembly
BE1007274A5 (fr) * 1993-07-20 1995-05-09 Baroid Technology Inc Procede de commande de la tete d'un dispositif de forage ou de carottage et installation pour la mise en oeuvre de ce procede.
US5720355A (en) * 1993-07-20 1998-02-24 Baroid Technology, Inc. Drill bit instrumentation and method for controlling drilling or core-drilling
US5512830A (en) * 1993-11-09 1996-04-30 Vector Magnetics, Inc. Measurement of vector components of static field perturbations for borehole location
MY112792A (en) * 1994-01-13 2001-09-29 Shell Int Research Method of creating a borehole in an earth formation
US5396966A (en) * 1994-03-24 1995-03-14 Slimdril International Inc. Steering sub for flexible drilling
US5581024A (en) * 1994-10-20 1996-12-03 Baker Hughes Incorporated Downhole depth correlation and computation apparatus and methods for combining multiple borehole measurements
US5812068A (en) * 1994-12-12 1998-09-22 Baker Hughes Incorporated Drilling system with downhole apparatus for determining parameters of interest and for adjusting drilling direction in response thereto
US5842149A (en) * 1996-10-22 1998-11-24 Baker Hughes Incorporated Closed loop drilling system
US6206108B1 (en) * 1995-01-12 2001-03-27 Baker Hughes Incorporated Drilling system with integrated bottom hole assembly
IT1277377B1 (it) * 1995-07-28 1997-11-10 Agip Spa Metodo per l'aggiornamento continuo dell'immagine sismica bidimensionale e tridimensionale in profondita' mediante
US5899958A (en) * 1995-09-11 1999-05-04 Halliburton Energy Services, Inc. Logging while drilling borehole imaging and dipmeter device
WO1997015749A2 (en) 1995-10-23 1997-05-01 Baker Hughes Incorporated Closed loop drilling system
AU1695997A (en) * 1996-01-11 1997-08-01 Baroid Technology, Inc. Method for conducting moving or rolling check shot for correcting borehole azimuth surveys
US5774360A (en) * 1996-03-26 1998-06-30 Western Atlas International, Inc. Method of correcting formation resistivity well logs for the effects of formation layer inclination with respect to the wellbore
US5806194A (en) * 1997-01-10 1998-09-15 Baroid Technology, Inc. Method for conducting moving or rolling check shot for correcting borehole azimuth surveys
AU736859B2 (en) * 1997-10-08 2001-08-02 Shell Internationale Research Maatschappij B.V. Resistivity log correction method
US6411094B1 (en) 1997-12-30 2002-06-25 The Charles Machine Works, Inc. System and method for determining orientation to an underground object
US6073079A (en) * 1998-02-17 2000-06-06 Shield Petroleum Incorporated Method of maintaining a borehole within a multidimensional target zone during drilling
JP3709708B2 (ja) 1998-04-17 2005-10-26 株式会社日立製作所 電磁波発生源探査装置およびその探査方法
US6101444A (en) * 1998-08-21 2000-08-08 Stoner; Michael S. Numerical control unit for wellbore drilling
GB2357150B (en) * 1999-12-11 2002-01-09 Bactec Internat Ltd Improvements in or relating to subterranean investigative techniques
US6698515B2 (en) 2000-04-24 2004-03-02 Shell Oil Company In situ thermal processing of a coal formation using a relatively slow heating rate
US6715548B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing formation fluids
US6588504B2 (en) 2000-04-24 2003-07-08 Shell Oil Company In situ thermal processing of a coal formation to produce nitrogen and/or sulfur containing formation fluids
US6715546B2 (en) 2000-04-24 2004-04-06 Shell Oil Company In situ production of synthesis gas from a hydrocarbon containing formation through a heat source wellbore
US6588503B2 (en) 2000-04-24 2003-07-08 Shell Oil Company In Situ thermal processing of a coal formation to control product composition
US6995684B2 (en) * 2000-05-22 2006-02-07 Schlumberger Technology Corporation Retrievable subsurface nuclear logging system
US6651739B2 (en) * 2001-02-21 2003-11-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Medium frequency pseudo noise geological radar
US6527512B2 (en) * 2001-03-01 2003-03-04 Brush Wellman, Inc. Mud motor
WO2003036033A1 (en) 2001-10-24 2003-05-01 Shell Internationale Research Maatschappij B.V. Simulation of in situ recovery from a hydrocarbon containing formation
US6696684B2 (en) * 2001-12-28 2004-02-24 Schlumberger Technology Corporation Formation evaluation through azimuthal tool-path identification
US7073578B2 (en) 2002-10-24 2006-07-11 Shell Oil Company Staged and/or patterned heating during in situ thermal processing of a hydrocarbon containing formation
NZ567052A (en) 2003-04-24 2009-11-27 Shell Int Research Thermal process for subsurface formations
US7168506B2 (en) * 2004-04-14 2007-01-30 Reedhycalog, L.P. On-bit, analog multiplexer for transmission of multi-channel drilling information
ATE392536T1 (de) 2004-04-23 2008-05-15 Shell Int Research Verhinderung von verschorfungseffekten in bohrlöchern
US7730967B2 (en) * 2004-06-22 2010-06-08 Baker Hughes Incorporated Drilling wellbores with optimal physical drill string conditions
US7475741B2 (en) 2004-11-30 2009-01-13 General Electric Company Method and system for precise drilling guidance of twin wells
US20090120691A1 (en) * 2004-11-30 2009-05-14 General Electric Company Systems and methods for guiding the drilling of a horizontal well
US8418782B2 (en) * 2004-11-30 2013-04-16 General Electric Company Method and system for precise drilling guidance of twin wells
WO2006096935A1 (en) * 2005-03-18 2006-09-21 Reservoir Nominees Pty Ltd Survey tool
US20060214814A1 (en) * 2005-03-24 2006-09-28 Schlumberger Technology Corporation Wellbore communication system
NZ562364A (en) 2005-04-22 2010-12-24 Shell Int Research Reducing heat load applied to freeze wells using a heat transfer fluid in heat interceptor wells
EP1941127A1 (en) 2005-10-24 2008-07-09 Shell Oil Company Systems and methods for producing hydrocarbons from tar sands with heat created drainage paths
RU2415259C2 (ru) 2006-04-21 2011-03-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Последовательное нагревание множества слоев углеводородсодержащего пласта
CA2666959C (en) 2006-10-20 2015-06-23 Shell Internationale Research Maatschappij B.V. Moving hydrocarbons through portions of tar sands formations with a fluid
CA2684486C (en) 2007-04-20 2015-11-17 Shell Internationale Research Maatschappij B.V. In situ recovery from residually heated sections in a hydrocarbon containing formation
US7814989B2 (en) * 2007-05-21 2010-10-19 Schlumberger Technology Corporation System and method for performing a drilling operation in an oilfield
WO2009042494A2 (en) * 2007-09-27 2009-04-02 Schlumberger Canada Limited Modular power source for subsurface systems
US7757755B2 (en) * 2007-10-02 2010-07-20 Schlumberger Technology Corporation System and method for measuring an orientation of a downhole tool
BRPI0817874A2 (pt) * 2007-10-10 2015-03-31 Tecwel As Método e sistema para registrar e mensuar vazamentos e fluxos
US20090200290A1 (en) 2007-10-19 2009-08-13 Paul Gregory Cardinal Variable voltage load tap changing transformer
US20090145596A1 (en) * 2007-12-10 2009-06-11 Henning Hansen Guide tool for guiding downhole tools through wellbore restrictions
US20110087434A1 (en) * 2008-02-07 2011-04-14 Tecwel As Monitoring system
WO2009129143A1 (en) 2008-04-18 2009-10-22 Shell Oil Company Systems, methods, and processes utilized for treating hydrocarbon containing subsurface formations
RU2529537C2 (ru) 2008-10-13 2014-09-27 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Системы для обработки подземного пласта с циркулируемой теплопереносящей текучей средой
US8113298B2 (en) * 2008-12-22 2012-02-14 Vector Magnetics Llc Wireline communication system for deep wells
US8322462B2 (en) * 2008-12-22 2012-12-04 Halliburton Energy Services, Inc. Proximity detection system for deep wells
US8448707B2 (en) 2009-04-10 2013-05-28 Shell Oil Company Non-conducting heater casings
WO2010121346A1 (en) * 2009-04-23 2010-10-28 Schlumberger Canada Limited Drill bit assembly having electrically isolated gap joint for measurement of reservoir properties
WO2010141028A1 (en) * 2009-06-06 2010-12-09 Ziebel (Us) Inc. Guide tool for guiding downhole tools through wellbore restrictions
US8567526B2 (en) * 2009-12-08 2013-10-29 Schlumberger Technology Corporation Wellbore steering based on rock stress direction
US8631866B2 (en) 2010-04-09 2014-01-21 Shell Oil Company Leak detection in circulated fluid systems for heating subsurface formations
US8875788B2 (en) 2010-04-09 2014-11-04 Shell Oil Company Low temperature inductive heating of subsurface formations
US8739874B2 (en) 2010-04-09 2014-06-03 Shell Oil Company Methods for heating with slots in hydrocarbon formations
US9033042B2 (en) 2010-04-09 2015-05-19 Shell Oil Company Forming bitumen barriers in subsurface hydrocarbon formations
CN101832126B (zh) * 2010-04-29 2013-02-20 中国石油化工集团公司 小满贯测井仪
US8917094B2 (en) * 2010-06-22 2014-12-23 Halliburton Energy Services, Inc. Method and apparatus for detecting deep conductive pipe
CA2828717C (en) * 2011-03-08 2016-08-02 Landmark Graphics Corporation Method and system of drilling laterals in shale formations
US9016370B2 (en) 2011-04-08 2015-04-28 Shell Oil Company Partial solution mining of hydrocarbon containing layers prior to in situ heat treatment
US9181754B2 (en) * 2011-08-02 2015-11-10 Haliburton Energy Services, Inc. Pulsed-electric drilling systems and methods with formation evaluation and/or bit position tracking
US9497443B1 (en) * 2011-08-30 2016-11-15 The United States Of America As Represented By The Secretary Of The Navy 3-D environment mapping systems and methods of dynamically mapping a 3-D environment
RU2612774C2 (ru) 2011-10-07 2017-03-13 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. Аккомодация теплового расширения для систем с циркулирующей текучей средой, используемых для нагревания толщи пород
US9556722B2 (en) 2012-01-18 2017-01-31 Maersk Supply Service A/S Method for establishing a relief well
CA2862463A1 (en) 2012-01-23 2013-08-01 Genie Ip B.V. Heater pattern for in situ thermal processing of a subsurface hydrocarbon containing formation
US9140085B2 (en) * 2012-02-14 2015-09-22 Baker Hughes Incorporated Apparatus and method for positioning and orienting a borehole tool
CN102621583B (zh) * 2012-03-28 2016-05-04 中色地科矿产勘查股份有限公司 井中磁场三分量梯度测量对井外磁性体定向、定位的方法
US9404354B2 (en) * 2012-06-15 2016-08-02 Schlumberger Technology Corporation Closed loop well twinning methods
CN104428482B (zh) * 2012-07-03 2017-03-08 哈利伯顿能源服务公司 通过第二井眼交叉第一井眼的方法
WO2014044628A1 (en) * 2012-09-18 2014-03-27 Shell Internationale Research Maatschappij B.V. Method of orienting a second borehole relative to a first borehole
US9850722B2 (en) 2012-11-06 2017-12-26 Evolution Engineering Inc. Universal downhole probe system
WO2014084833A1 (en) 2012-11-29 2014-06-05 Halliburton Energy Services, Inc. Combination power source for a magnetic ranging system
US10030501B2 (en) 2012-12-03 2018-07-24 Evolution Engineering Inc. Downhole probe centralizer
CA2893467C (en) 2012-12-07 2022-08-23 Jili LIU (Jerry) Methods and apparatus for downhole probes
US10145231B2 (en) 2012-12-07 2018-12-04 Halliburton Energy Services, Inc. Surface excitation ranging system for SAGD application
US9316758B2 (en) 2013-05-29 2016-04-19 Liquid Robotics Oil and Gas LLC Earth surveying for improved drilling applications
US20140374159A1 (en) 2013-06-25 2014-12-25 Gyrodata, Incorporated Positioning techniques in multi-well environments
EP3033488A1 (en) * 2013-10-03 2016-06-22 Halliburton Energy Services, Inc. Downhole measurement and survey tools with conformable sensors
AU2013407276C1 (en) * 2013-12-12 2017-08-31 Halliburton Energy Services, Inc. Magnetic monopole ranging system and methodology
GB2534748B (en) 2013-12-27 2018-11-14 Halliburton Energy Services Inc Drilling collision avoidance methods, and systems
AU2013409495B2 (en) * 2013-12-30 2017-07-13 Halliburton Energy Services, Inc. Ranging using current profiling
EP4212698A1 (en) 2014-05-01 2023-07-19 Halliburton Energy Services, Inc. Interwell tomography methods and systems employing a casing segment with at least one transmission crossover arrangement
MY177192A (en) 2014-05-01 2020-09-09 Halliburton Energy Services Inc Casing segment having at least one transmission crossover arrangement
US10436023B2 (en) 2014-05-01 2019-10-08 Halliburton Energy Services, Inc. Multilateral production control methods and systems employing a casing segment with at least one transmission crossover arrangement
SG11201608940TA (en) 2014-05-01 2016-11-29 Halliburton Energy Services Inc Guided drilling methods and systems employing a casing segment with at least one transmission crossover arrangement
CA2952871C (en) * 2014-06-19 2023-04-04 Evolution Engineering Inc. Downhole system with integrated backup sensors
CA2953943C (en) 2014-07-18 2019-04-23 Halliburton Energy Services, Inc. Electromagnetic ranging source suitable for use in a drill string
GB2542085B (en) * 2014-08-08 2018-04-18 Halliburton Energy Services Inc Low-noise fluxgate magnetometer with increased operating temperature range
SG11201701017RA (en) * 2014-09-11 2017-03-30 Halliburton Energy Services Inc Rare earth alloys as borehole markers
FR3029281B1 (fr) * 2014-12-01 2018-06-15 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede et calculateur electronique pour determiner la trajectoire d’un objet mobile
CN104481400B (zh) * 2014-12-10 2016-08-10 中国石油化工股份有限公司 一种三维水平井井眼轨迹控制方法
CA3018314C (en) * 2016-06-20 2020-03-10 Halliburton Energy Services, Inc. Reducing effects of conductive mud on single-well ranging
US20180306025A1 (en) * 2017-04-21 2018-10-25 Gyrodata, Incorporated Continuous Survey Using Magnetic Sensors
RU2646287C1 (ru) * 2017-05-15 2018-03-02 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Телеметрическая система мониторинга ствола скважины
US11175431B2 (en) 2017-06-14 2021-11-16 Gyrodata, Incorporated Gyro-magnetic wellbore surveying
RU178253U1 (ru) * 2017-08-25 2018-03-28 Общество С Ограниченной Ответственностью "Русские Универсальные Системы" (Ооо "Рус") Телеметрическое устройство с гидравлическим каналом связи
WO2019108162A1 (en) 2017-11-28 2019-06-06 Halliburton Energy Services, Inc. Downhole interventionless depth correlation
US11193363B2 (en) 2017-12-04 2021-12-07 Gyrodata, Incorporated Steering control of a drilling tool
CN108930515B (zh) * 2018-07-23 2021-06-08 徐芝香 歪头旋转导向工具
US20200131898A1 (en) * 2018-10-24 2020-04-30 Bench Tree Group, Llc System and method for determining axial magnetic interference in downhole directional sensors
CN112943217B (zh) * 2021-02-22 2022-07-12 中海石油(中国)有限公司海南分公司 一种远程智能录井分析方法及系统
CN113756788B (zh) * 2021-10-18 2022-08-02 中国地质大学(北京) 一种机械式随钻井斜测量仪

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072200A (en) * 1976-05-12 1978-02-07 Morris Fred J Surveying of subterranean magnetic bodies from an adjacent off-vertical borehole
US4361192A (en) * 1980-02-08 1982-11-30 Kerr-Mcgee Corporation Borehole survey method and apparatus for drilling substantially horizontal boreholes
US4472884A (en) * 1982-01-11 1984-09-25 Applied Technologies Associates Borehole azimuth determination using magnetic field sensor
US4529939A (en) * 1983-01-10 1985-07-16 Kuckes Arthur F System located in drill string for well logging while drilling
GB2148012B (en) * 1983-10-05 1987-04-01 Robert Wesley Cobcroft Induced magnetic field borehole surveying method and probe
FR2570120B1 (fr) * 1984-09-07 1987-09-25 Alsthom Atlantique Methodes de mesure d'azimut et de position d'outil pour forage incline
GB8504949D0 (en) * 1985-02-26 1985-03-27 Shell Int Research Determining azimuth of borehole
US4716973A (en) * 1985-06-14 1988-01-05 Teleco Oilfield Services Inc. Method for evaluation of formation invasion and formation permeability
US4747303A (en) * 1986-01-30 1988-05-31 Nl Industries, Inc. Method determining formation dip
US4700142A (en) * 1986-04-04 1987-10-13 Vector Magnetics, Inc. Method for determining the location of a deep-well casing by magnetic field sensing
GB2195023B (en) * 1986-09-04 1990-03-14 Sperry Sun Inc Improvements in or relating to the surveying of boreholes
US4813274A (en) * 1987-05-27 1989-03-21 Teleco Oilfield Services Inc. Method for measurement of azimuth of a borehole while drilling
US4804051A (en) * 1987-09-25 1989-02-14 Nl Industries, Inc. Method of predicting and controlling the drilling trajectory in directional wells
US4875014A (en) * 1988-07-20 1989-10-17 Tensor, Inc. System and method for locating an underground probe having orthogonally oriented magnetometers

Also Published As

Publication number Publication date
DK174567B1 (da) 2003-06-10
CA2001745C (en) 2004-04-27
WO1990004697A1 (en) 1990-05-03
MY106320A (en) 1995-05-30
EP0366567A3 (en) 1992-08-19
CA2001745A1 (en) 1990-04-28
US5064006A (en) 1991-11-12
BR8907132A (pt) 1991-02-13
NO301184B1 (no) 1997-09-22
EP0366567A2 (en) 1990-05-02
DK538489A (da) 1990-04-29
DK538489D0 (da) 1989-10-27
MX171679B (es) 1993-11-10
NO894316L (no) 1990-04-30

Similar Documents

Publication Publication Date Title
NO894316L (no) Kombinasjonsverktoey for anvendelse nede i borehull i jordskorpen og anvendelse av verktoeyet.
DE3876820T2 (de) Bohr- und gewindeschneidwerkzeug.
DK143986A (da) 1,2-benzisoxazol-3-yl- og 1,2-benzisothiazol-3-yl-derivater
NO163059C (no) Vandig borevaeske og anvendelse derav.
DK678987A (da) Kumaranderivater samt fremstilling og brug deraf
DE3671434D1 (de) Phenylalaninderivate und proteinaseinhibitor.
DE58902084D1 (de) Bohr- und fraeswerk.
NO175645C (no) Anvendelsen av karboksymetylsulfoetylcellulose i boreslam
NO891122D0 (no) Platinakoordinasjonsforbindelser og anvendelse av forbindelsene i kjemoterapi.
NO881959L (no) Utstyr for borestreng samt fremgangsmaate for anvendelse av samme.
DE68906085T2 (de) Fraeswerkzeug und kassette dafuer.
NO169052C (no) Hydraulisk hammer og anvendelse av samme
DK51589A (da) 5-substituerede ornithinderivater samt anvendelse heraf
NO893474L (no) Flammehemmende midler og fremgangsmaate for anvendelse.
DK35488A (da) 3-aryl-5-alkylthio-4h-1,2,4-thiazoler, samt anvendelsen heraf
DE68913796D1 (de) Schlüssel und Schlüsselhalter.
IT8820452V0 (it) Inserto per utensili da tornitura e simili.
GB2219805B (en) Chromogenic dicyanomethylenepyrazolinones and the corresponding cyanomethylene dyes
DK396089A (da) 6-aroyl-substituerede 3,4-dihydro-2h-benzopyraner samt fremstilling og anvendelse deraf
NO893712D0 (no) Anvendelse av poly-alfa-olefin i boreoperasjoner.
DK192188A (da) Chalkon-derivater samt anvendelsen heraf
DE68902518T2 (de) Absperrwerkzeug.
TR23016A (tr) Hamam boeceklerinin oenlenmesinde kullanilan,yenilik arzeden bilesimler ve yoentemler
SE8703213D0 (sv) Borr- och verktygsslipanordning
NO911566D0 (no) Imidazolderivat samt fremstilling derav.