DK1792052T3 - Værktøj med indbygget magnetisk måling - Google Patents
Værktøj med indbygget magnetisk målingInfo
- Publication number
- DK1792052T3 DK1792052T3 DK05770303.5T DK05770303T DK1792052T3 DK 1792052 T3 DK1792052 T3 DK 1792052T3 DK 05770303 T DK05770303 T DK 05770303T DK 1792052 T3 DK1792052 T3 DK 1792052T3
- Authority
- DK
- Denmark
- Prior art keywords
- tool
- function
- built
- magnetic measurement
- improvement
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title 1
- 238000005553 drilling Methods 0.000 abstract 2
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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
- E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
-
- 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
- E21B47/09—Locating 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
- E21B47/092—Locating 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
Landscapes
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (AREA)
- Electromagnetism (AREA)
- Earth Drilling (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Drilling And Boring (AREA)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002476787A CA2476787C (en) | 2004-08-06 | 2004-08-06 | Integrated magnetic ranging tool |
US11/133,182 US7321293B2 (en) | 2004-08-06 | 2005-05-20 | Integrated magnetic ranging tool |
PCT/CA2005/001171 WO2006012731A2 (en) | 2004-08-06 | 2005-07-27 | Integrated magnetic ranging tool |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1792052T3 true DK1792052T3 (da) | 2010-12-20 |
Family
ID=35756859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK05770303.5T DK1792052T3 (da) | 2004-08-06 | 2005-07-27 | Værktøj med indbygget magnetisk måling |
Country Status (12)
Country | Link |
---|---|
US (1) | US7321293B2 (da) |
EP (1) | EP1792052B1 (da) |
CN (1) | CN101120155B (da) |
AT (1) | ATE479013T1 (da) |
AU (1) | AU2005269214B2 (da) |
BR (1) | BRPI0514155A (da) |
CA (1) | CA2476787C (da) |
DE (1) | DE602005023190D1 (da) |
DK (1) | DK1792052T3 (da) |
NO (1) | NO20071227L (da) |
RU (1) | RU2354822C2 (da) |
WO (1) | WO2006012731A2 (da) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2914007B1 (fr) * | 2007-03-20 | 2009-05-29 | Geo Energy Sa | Sonde d'analyse d'un assemblage de tiges ou tubes |
US8010290B2 (en) * | 2007-05-03 | 2011-08-30 | Smith International, Inc. | Method of optimizing a well path during drilling |
CA2693798C (en) * | 2007-07-20 | 2016-11-08 | Schlumberger Canada Limited | Anti-collision method for drilling wells |
US20090025982A1 (en) * | 2007-07-26 | 2009-01-29 | Hall David R | Stabilizer Assembly |
US20090211816A1 (en) * | 2008-02-26 | 2009-08-27 | Terril Bryan Williams | Magnetic bit sub |
WO2009142782A2 (en) * | 2008-05-23 | 2009-11-26 | Schlumberger Canada Limited | System and method for densely packing wells using magnetic ranging while drilling |
US8061451B2 (en) * | 2008-10-17 | 2011-11-22 | Strata Directional Technology, Llc | Vertical drilling system for controlling deviation |
BRPI1013914A2 (pt) * | 2009-03-17 | 2020-08-18 | Smith International, Inc. | método para determinar uma incerteza absoluta de pelo menos um local em um poço, método para determinar uma incerteza absoluta em um segundo trajeto de poço, e método para determinar uma incerteza absoluta de pelo menos um local em um trajeto de poço |
US9702241B2 (en) * | 2009-08-05 | 2017-07-11 | Halliburton Energy Services, Inc. | Azimuthal orientation determination |
AU2015200086B2 (en) * | 2010-05-21 | 2016-03-10 | Halliburton Energy Services, Inc. | Systems and methods for downhole bha insulation in magnetic ranging applications |
CN103003720B (zh) * | 2010-05-21 | 2016-01-20 | 哈利伯顿能源服务公司 | 用于使得磁测距应用中的井下井底钻具组件绝缘的系统和方法 |
RU2456642C2 (ru) * | 2010-08-25 | 2012-07-20 | Закрытое акционерное общество "МЕРА" | Способ локализации магнитного диполя |
US9238959B2 (en) | 2010-12-07 | 2016-01-19 | Schlumberger Technology Corporation | Methods for improved active ranging and target well magnetization |
CN102296938A (zh) * | 2011-08-25 | 2011-12-28 | 成都科盛石油科技有限公司 | 刀背开圆槽的取心工具 |
WO2014084833A1 (en) | 2012-11-29 | 2014-06-05 | Halliburton Energy Services, Inc. | Combination power source for a magnetic ranging system |
CN105658899B (zh) * | 2013-11-12 | 2017-09-01 | 哈利伯顿能源服务公司 | 使用仪表式切割元件的接近检测 |
US9995133B2 (en) * | 2013-12-31 | 2018-06-12 | Halliburton Energy Services, Inc. | Bend measurements of adjustable motor assemblies using magnetometers |
CA2948679C (en) * | 2014-06-17 | 2018-10-30 | Halliburton Energy Services, Inc. | Reluctance sensor for measuring a magnetizable structure in a subterranean environment |
CN104343438B (zh) * | 2014-09-10 | 2018-07-31 | 北京纳特斯拉科技有限公司 | 测量钻井相对距离的旋转磁场测距仪及其测量方法 |
US10267945B2 (en) | 2014-10-20 | 2019-04-23 | Schlumberger Technology Corporation | Use of transverse antenna measurements for casing and pipe detection |
GB2548745B (en) * | 2015-01-23 | 2019-05-08 | Halliburton Energy Services Inc | Downhole electrode apparatus, systems, and methods |
CN105113988B (zh) * | 2015-08-21 | 2018-02-16 | 于润桥 | 永磁短节 |
EP3368743A4 (en) * | 2015-10-29 | 2019-05-29 | Halliburton Energy Services, Inc. | METHOD AND SYSTEMS USING ROTATING MAGNETS AND FIBER OPTIC SENSORS FOR DISTANCE MEASUREMENT |
WO2017091241A1 (en) * | 2015-11-23 | 2017-06-01 | COT Acquisition, LLC | Roller reamer |
CN105507885B (zh) * | 2015-12-02 | 2019-04-02 | 中国地质大学(武汉) | 一种永磁短节 |
WO2017139058A1 (en) * | 2016-02-12 | 2017-08-17 | Halliburton Energy Services, Inc. | Active ranging-while-drilling with magnetic gradiometry |
US11391091B2 (en) * | 2016-08-17 | 2022-07-19 | Halliburton Energy Services, Inc. | Modular reaming device |
CN107448144B (zh) * | 2017-07-18 | 2023-08-01 | 济宁学院 | 一种大型煤矿开采用钻煤装置 |
CA3089808C (en) * | 2018-03-06 | 2022-08-02 | Halliburton Energy Services, Inc. | Determining a relative wellbore location utilizing a well shoe having a ranging source |
CN108843308B (zh) * | 2018-05-25 | 2023-07-21 | 河北华元科工股份有限公司 | 一种测孔仪 |
EP4343271A3 (en) | 2019-02-28 | 2024-10-16 | Halliburton Energy Services, Inc. | Power bottom hole assembly via a powered drill string |
CN113550695B (zh) * | 2020-04-26 | 2024-07-26 | 中国石油天然气集团有限公司 | 偏心微扩眼器 |
CN111963156B (zh) * | 2020-08-28 | 2024-02-09 | 天津中探微科科技有限公司 | 一种煤矿井下无线随钻测量探管 |
CN112253095A (zh) * | 2020-09-15 | 2021-01-22 | 中石化石油工程技术服务有限公司 | 一种井下交变磁场定位装置及方法 |
CN112593881B (zh) * | 2020-11-30 | 2021-10-26 | 中国地质大学(北京) | 一种多功能页岩地质勘探钻头及其工作方法 |
US20230088047A1 (en) * | 2021-09-15 | 2023-03-23 | Halliburton Energy Services, Inc. | Steerability of downhole ranging tools using rotary magnets |
AU2022202234A1 (en) * | 2021-09-15 | 2023-03-30 | Halliburton Energy Services, Inc. | Improved steerabilty of downhole ranging tools using rotary magnets |
Family Cites Families (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890019A (en) * | 1956-03-26 | 1959-06-09 | Jan J Arps | Earth borehole logging system |
US2982367A (en) * | 1956-07-30 | 1961-05-02 | Reed Roller Bit Co | Detritus trap for well drill |
NL285408A (da) | 1961-12-06 | |||
US3704749A (en) | 1971-05-06 | 1972-12-05 | Nl Industries Inc | Method and apparatus for tool orientation in a bore hole |
US3964553A (en) | 1975-09-04 | 1976-06-22 | Go International, Inc. | Borehole tool orienting apparatus and systems |
US4502010A (en) | 1980-03-17 | 1985-02-26 | Gearhart Industries, Inc. | Apparatus including a magnetometer having a pair of U-shaped cores for extended lateral range electrical conductivity logging |
US4323848A (en) | 1980-03-17 | 1982-04-06 | Cornell Research Foundation, Inc. | Plural sensor magnetometer arrangement for extended lateral range electrical conductivity logging |
FR2492540A1 (fr) | 1980-10-17 | 1982-04-23 | Schlumberger Prospection | Dispositif pour diagraphie electromagnetique dans les forages |
US4372398A (en) | 1980-11-04 | 1983-02-08 | Cornell Research Foundation, Inc. | Method of determining the location of a deep-well casing by magnetic field sensing |
NO154674C (no) * | 1980-11-20 | 1987-01-07 | Sperry Sun Inc | Innretning for signalering i et borehull under boring. |
US4410051A (en) | 1981-02-27 | 1983-10-18 | Dresser Industries, Inc. | System and apparatus for orienting a well casing perforating gun |
US4443762A (en) | 1981-06-12 | 1984-04-17 | Cornell Research Foundation, Inc. | Method and apparatus for detecting the direction and distance to a target well casing |
CA1175106A (en) | 1982-01-20 | 1984-09-25 | Arthur F. Kuckes | Method and apparatus for extending lateral range electrical conductivity logging |
CA1174276A (en) | 1982-02-02 | 1984-09-11 | Arthur F. Kuckes | Method of determining the location of a deep-well casing by magnetic field sensing |
US4529939A (en) | 1983-01-10 | 1985-07-16 | Kuckes Arthur F | System located in drill string for well logging while drilling |
US4593770A (en) | 1984-11-06 | 1986-06-10 | Mobil Oil Corporation | Method for preventing the drilling of a new well into one of a plurality of production wells |
CA1231642A (en) * | 1985-02-22 | 1988-01-19 | Raymond F. Mikolajczyk | Casing centralizer/stabilizer |
GB8504949D0 (en) | 1985-02-26 | 1985-03-27 | Shell Int Research | Determining azimuth of borehole |
US4621698A (en) | 1985-04-16 | 1986-11-11 | Gas Research Institute | Percussion boring tool |
US4721172A (en) * | 1985-11-22 | 1988-01-26 | Amoco Corporation | Apparatus for controlling the force applied to a drill bit while drilling |
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 |
US4791373A (en) | 1986-10-08 | 1988-12-13 | Kuckes Arthur F | Subterranean target location by measurement of time-varying magnetic field vector in borehole |
US4845434A (en) | 1988-01-22 | 1989-07-04 | Vector Magnetics | Magnetometer circuitry for use in bore hole detection of AC magnetic fields |
DE68909355T2 (de) | 1988-09-02 | 1994-03-31 | British Gas Plc | Einrichtung zum Steuern der Lage eines selbstgetriebenen Bohrwerkzeuges. |
US4933640A (en) | 1988-12-30 | 1990-06-12 | Vector Magnetics | Apparatus for locating an elongated conductive body by electromagnetic measurement while drilling |
GB8906233D0 (en) | 1989-03-17 | 1989-05-04 | Russell Anthony W | Surveying of boreholes |
RU2017925C1 (ru) * | 1990-06-07 | 1994-08-15 | Сургутское отделение Западно-Сибирского научно-исследовательского и проектно-конструкторского института технологии глубокого разведочного бурения | Долото для электротермомеханического бурения |
US5074365A (en) | 1990-09-14 | 1991-12-24 | Vector Magnetics, Inc. | Borehole guidance system having target wireline |
JP2935733B2 (ja) | 1990-10-03 | 1999-08-16 | 高千穂産業株式会社 | 掘進ヘッドの位置検出装置 |
US5218301A (en) | 1991-10-04 | 1993-06-08 | Vector Magnetics | Method and apparatus for determining distance for magnetic and electric field measurements |
US5305212A (en) | 1992-04-16 | 1994-04-19 | Vector Magnetics, Inc. | Alternating and static magnetic field gradient measurements for distance and direction determination |
US5258755A (en) | 1992-04-27 | 1993-11-02 | Vector Magnetics, Inc. | Two-source magnetic field guidance system |
US5343152A (en) | 1992-11-02 | 1994-08-30 | Vector Magnetics | Electromagnetic homing system using MWD and current having a funamental wave component and an even harmonic wave component being injected at a target well |
US5485089A (en) | 1992-11-06 | 1996-01-16 | Vector Magnetics, Inc. | Method and apparatus for measuring distance and direction by movable magnetic field source |
AU5850694A (en) | 1992-12-23 | 1994-07-19 | Baroid Technology, Inc. | Drill bit having chip breaker polycrystalline diamond compact and hard metal insert at gauge surface |
EG20489A (en) | 1993-01-13 | 1999-06-30 | Shell Int Research | Method for determining borehole direction |
CA2118305C (en) | 1993-02-19 | 1997-09-23 | Pekka Eskelinen | Method and device for ensuring the run of the web in the multi-cylinder dryer of a papermachine |
US5344951A (en) | 1993-03-16 | 1994-09-06 | Ethyl Petroleum Additives, Inc. | Production of alkyl phosphites |
US5512830A (en) | 1993-11-09 | 1996-04-30 | Vector Magnetics, Inc. | Measurement of vector components of static field perturbations for borehole location |
US5589775A (en) | 1993-11-22 | 1996-12-31 | Vector Magnetics, Inc. | Rotating magnet for distance and direction measurements from a first borehole to a second borehole |
US5513710A (en) | 1994-11-07 | 1996-05-07 | Vector Magnetics, Inc. | Solenoid guide system for horizontal boreholes |
US5515931A (en) | 1994-11-15 | 1996-05-14 | Vector Magnetics, Inc. | Single-wire guidance system for drilling boreholes |
US5582248A (en) | 1995-06-02 | 1996-12-10 | Wedge Wireline, Inc. | Reversal-resistant apparatus for tool orientation in a borehole |
AR004547A1 (es) | 1995-11-21 | 1998-12-16 | Shell Int Research | Un metodo de calificacion de una inspeccion de un agujero de perforacion formado en una formacion de suelo |
US5725059A (en) | 1995-12-29 | 1998-03-10 | Vector Magnetics, Inc. | Method and apparatus for producing parallel boreholes |
US5676212A (en) | 1996-04-17 | 1997-10-14 | Vector Magnetics, Inc. | Downhole electrode for well guidance system |
US6191585B1 (en) | 1996-05-03 | 2001-02-20 | Digital Control, Inc. | Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal |
US5806194A (en) | 1997-01-10 | 1998-09-15 | Baroid Technology, Inc. | Method for conducting moving or rolling check shot for correcting borehole azimuth surveys |
US5923170A (en) | 1997-04-04 | 1999-07-13 | Vector Magnetics, Inc. | Method for near field electromagnetic proximity determination for guidance of a borehole drill |
WO1999019751A1 (en) | 1997-10-16 | 1999-04-22 | Vector Magnetics, Inc. | Method and apparatus for drill stem data transmission |
US6095262A (en) | 1998-08-31 | 2000-08-01 | Halliburton Energy Services, Inc. | Roller-cone bits, systems, drilling methods, and design methods with optimization of tooth orientation |
US6739409B2 (en) | 1999-02-09 | 2004-05-25 | Baker Hughes Incorporated | Method and apparatus for a downhole NMR MWD tool configuration |
US6234259B1 (en) | 1999-05-06 | 2001-05-22 | Vector Magnetics Inc. | Multiple cam directional controller for steerable rotary drill |
US6411087B1 (en) * | 1999-05-17 | 2002-06-25 | University Of Houston | NMR logging tool with Hi-Tc trap field magnet |
US6087750A (en) * | 1999-05-18 | 2000-07-11 | Pacific Scientific Electro Kinetics Division | Permanent magnet generator |
GB9912666D0 (en) * | 1999-05-29 | 1999-07-28 | Specialised Petroleum Serv Ltd | Magnetic well cleaning apparatus |
ATE292743T1 (de) * | 1999-07-07 | 2005-04-15 | Expro North Sea Ltd | Datenübertragung in einem rohrsystem |
WO2001011191A1 (en) | 1999-08-05 | 2001-02-15 | Vector Magnetics, Inc. | Method and apparatus for drill stem data transmission |
EP1252416B1 (en) * | 2000-01-24 | 2005-07-20 | Shell Internationale Researchmaatschappij B.V. | Choke inductor for wireless communication and control in a well |
US6622803B2 (en) * | 2000-03-22 | 2003-09-23 | Rotary Drilling Technology, Llc | Stabilizer for use in a drill string |
US6326785B1 (en) * | 2000-07-18 | 2001-12-04 | Baker Hughes, Inc. | Nuclear magnetic resonance tool with magnetostrictive noise compensation |
US6466020B2 (en) | 2001-03-19 | 2002-10-15 | Vector Magnetics, Llc | Electromagnetic borehole surveying method |
US6822579B2 (en) * | 2001-05-09 | 2004-11-23 | Schlumberger Technology Corporation | Steerable transceiver unit for downhole data acquistion in a formation |
CN1312490C (zh) * | 2001-08-21 | 2007-04-25 | 施卢默格海外有限公司 | 一种井下管状物 |
US6736222B2 (en) | 2001-11-05 | 2004-05-18 | Vector Magnetics, Llc | Relative drill bit direction measurement |
-
2004
- 2004-08-06 CA CA002476787A patent/CA2476787C/en not_active Expired - Lifetime
-
2005
- 2005-05-20 US US11/133,182 patent/US7321293B2/en active Active
- 2005-07-27 RU RU2007108293/03A patent/RU2354822C2/ru not_active IP Right Cessation
- 2005-07-27 AU AU2005269214A patent/AU2005269214B2/en active Active
- 2005-07-27 DE DE602005023190T patent/DE602005023190D1/de active Active
- 2005-07-27 DK DK05770303.5T patent/DK1792052T3/da active
- 2005-07-27 EP EP05770303A patent/EP1792052B1/en active Active
- 2005-07-27 WO PCT/CA2005/001171 patent/WO2006012731A2/en active Application Filing
- 2005-07-27 CN CN2005800265942A patent/CN101120155B/zh not_active Expired - Fee Related
- 2005-07-27 BR BRPI0514155-9A patent/BRPI0514155A/pt not_active IP Right Cessation
- 2005-07-27 AT AT05770303T patent/ATE479013T1/de active
-
2007
- 2007-03-06 NO NO20071227A patent/NO20071227L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE602005023190D1 (da) | 2010-10-07 |
CN101120155B (zh) | 2011-10-19 |
RU2007108293A (ru) | 2008-09-20 |
EP1792052A4 (en) | 2009-07-08 |
WO2006012731A3 (en) | 2007-09-20 |
CA2476787A1 (en) | 2006-02-06 |
EP1792052A2 (en) | 2007-06-06 |
RU2354822C2 (ru) | 2009-05-10 |
CN101120155A (zh) | 2008-02-06 |
US7321293B2 (en) | 2008-01-22 |
EP1792052B1 (en) | 2010-08-25 |
WO2006012731A2 (en) | 2006-02-09 |
AU2005269214B2 (en) | 2010-04-22 |
CA2476787C (en) | 2008-09-30 |
US20060028321A1 (en) | 2006-02-09 |
BRPI0514155A (pt) | 2008-06-03 |
AU2005269214A1 (en) | 2006-02-09 |
ATE479013T1 (de) | 2010-09-15 |
NO20071227L (no) | 2007-03-06 |
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