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GB8901348D0 - Drilling apparatus - Google Patents

Drilling apparatus

Info

Publication number
GB8901348D0
GB8901348D0 GB898901348A GB8901348A GB8901348D0 GB 8901348 D0 GB8901348 D0 GB 8901348D0 GB 898901348 A GB898901348 A GB 898901348A GB 8901348 A GB8901348 A GB 8901348A GB 8901348 D0 GB8901348 D0 GB 8901348D0
Authority
GB
United Kingdom
Prior art keywords
drilling apparatus
drilling
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
GB898901348A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Radiation Tech
Original Assignee
Cambridge Radiation Tech
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 Cambridge Radiation Tech filed Critical Cambridge Radiation Tech
Priority to GB898901348A priority Critical patent/GB8901348D0/en
Publication of GB8901348D0 publication Critical patent/GB8901348D0/en
Priority to PCT/GB1990/000089 priority patent/WO1990008245A1/en
Pending legal-status Critical Current

Links

GB898901348A 1989-01-21 1989-01-21 Drilling apparatus Pending GB8901348D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB898901348A GB8901348D0 (en) 1989-01-21 1989-01-21 Drilling apparatus
PCT/GB1990/000089 WO1990008245A1 (en) 1989-01-21 1990-01-22 Drilling apparatus with non-rotating member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898901348A GB8901348D0 (en) 1989-01-21 1989-01-21 Drilling apparatus

Publications (1)

Publication Number Publication Date
GB8901348D0 true GB8901348D0 (en) 1989-03-15

Family

ID=10650401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898901348A Pending GB8901348D0 (en) 1989-01-21 1989-01-21 Drilling apparatus

Country Status (2)

Country Link
GB (1) GB8901348D0 (en)
WO (1) WO1990008245A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8817261D0 (en) * 1988-07-20 1988-08-24 Sperry Sun Inc Down-hole bearing assemblies for maintaining survey instrument assembly & core barrel orientation
US6340063B1 (en) 1998-01-21 2002-01-22 Halliburton Energy Services, Inc. Steerable rotary directional drilling method
US7306058B2 (en) 1998-01-21 2007-12-11 Halliburton Energy Services, Inc. Anti-rotation device for a steerable rotary drilling device
CA2277714C (en) 1999-07-12 2005-02-15 Halliburton Energy Services, Inc. Steerable rotary drilling device and directional drilling method
US6948572B2 (en) 1999-07-12 2005-09-27 Halliburton Energy Services, Inc. Command method for a steerable rotary drilling device
CA2494237C (en) 2001-06-28 2008-03-25 Halliburton Energy Services, Inc. Drill tool shaft-to-housing locking device
US7245229B2 (en) 2003-07-01 2007-07-17 Pathfinder Energy Services, Inc. Drill string rotation encoding
CA2448723C (en) 2003-11-07 2008-05-13 Halliburton Energy Services, Inc. Variable gauge drilling apparatus and method of assembly thereof
US7222681B2 (en) 2005-02-18 2007-05-29 Pathfinder Energy Services, Inc. Programming method for controlling a downhole steering tool
US8408331B2 (en) 2010-01-08 2013-04-02 Schlumberger Technology Corporation Downhole downlinking system employing a differential pressure transducer
US8792304B2 (en) 2010-05-24 2014-07-29 Schlumberger Technology Corporation Downlinking communication system and method using signal transition detection
US8570833B2 (en) 2010-05-24 2013-10-29 Schlumberger Technology Corporation Downlinking communication system and method
WO2015122918A1 (en) 2014-02-14 2015-08-20 Halliburton Energy Services Inc. Drilling shaft deflection device
WO2015122916A1 (en) 2014-02-14 2015-08-20 Halliburton Energy Services Inc. Uniformly variably configurable drag members in an anti-rotation device
WO2015122917A1 (en) 2014-02-14 2015-08-20 Halliburton Energy Services Inc. Individually variably configurable drag members in an anti-rotation device
WO2016043752A1 (en) 2014-09-18 2016-03-24 Halliburton Energy Services, Inc. Releasable locking mechanism for locking a housing to a drilling shaft of a rotary drilling system
CN104278955B (en) * 2014-10-29 2016-09-14 中国石油集团西部钻探工程有限公司 Biliquid cylinder hydraulic casing pipe centering device
CA2964748C (en) 2014-11-19 2019-02-19 Halliburton Energy Services, Inc. Drilling direction correction of a steerable subterranean drill in view of a detected formation tendency
CN112012673B (en) * 2020-10-22 2021-01-15 胜利油田固邦石油装备有限责任公司 Casing centralizer for directional well

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1566451A (en) * 1924-06-16 1925-12-22 Fred B Vaughn Sucker-rod antifriction means for well tubing
US2170527A (en) * 1936-10-23 1939-08-22 Technical Oil Tool Corp Ltd Centering device for drift recording instruments
US2248160A (en) * 1938-08-12 1941-07-08 Earl L Crawford Well apparatus
US3370657A (en) * 1965-10-24 1968-02-27 Trudril Inc Stabilizer and deflecting tool
DE2809181B2 (en) * 1978-03-03 1980-07-24 Guenter 4520 Melle Kreft Safety centering basket
US4194561A (en) * 1977-11-16 1980-03-25 Exxon Production Research Company Placement apparatus and method for low density ball sealers

Also Published As

Publication number Publication date
WO1990008245A1 (en) 1990-07-26

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