DE69920145D1 - Drehbohr-Fräsmeissel und Verfahren zu deren Entwicklung - Google Patents

Drehbohr-Fräsmeissel und Verfahren zu deren Entwicklung

Info

Publication number
DE69920145D1
DE69920145D1 DE69920145T DE69920145T DE69920145D1 DE 69920145 D1 DE69920145 D1 DE 69920145D1 DE 69920145 T DE69920145 T DE 69920145T DE 69920145 T DE69920145 T DE 69920145T DE 69920145 D1 DE69920145 D1 DE 69920145D1
Authority
DE
Germany
Prior art keywords
development
drill bit
rotary drill
rotary
bit
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.)
Expired - Lifetime
Application number
DE69920145T
Other languages
English (en)
Other versions
DE69920145T2 (de
Inventor
Malcolm Roy Taylor
Andrew Murdock
David John Jelley
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.)
ReedHycalog UK Ltd
Original Assignee
Camco International UK Ltd
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 Camco International UK Ltd filed Critical Camco International UK Ltd
Application granted granted Critical
Publication of DE69920145D1 publication Critical patent/DE69920145D1/de
Publication of DE69920145T2 publication Critical patent/DE69920145T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
DE69920145T 1998-12-11 1999-12-03 Drehbohr-Fräsmeissel und Verfahren zu deren Entwicklung Expired - Lifetime DE69920145T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21051898A 1998-12-11 1998-12-11
US210518 1998-12-11

Publications (2)

Publication Number Publication Date
DE69920145D1 true DE69920145D1 (de) 2004-10-21
DE69920145T2 DE69920145T2 (de) 2005-09-22

Family

ID=22783223

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920145T Expired - Lifetime DE69920145T2 (de) 1998-12-11 1999-12-03 Drehbohr-Fräsmeissel und Verfahren zu deren Entwicklung

Country Status (2)

Country Link
EP (1) EP1008718B1 (de)
DE (1) DE69920145T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0009266D0 (en) * 2000-04-15 2000-05-31 Camco Int Uk Ltd Method and apparatus for predicting an operating characteristic of a rotary earth boring bit
CN109322653B (zh) * 2017-07-28 2022-03-01 中国石油天然气股份有限公司 井下钻柱粘滑特征的地面快速评价方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941951A (en) * 1989-02-27 1990-07-17 Anadrill, Inc. Method for improving a drilling process by characterizing the hydraulics of the drilling system
CA2045094C (en) * 1990-07-10 1997-09-23 J. Ford Brett Low friction subterranean drill bit and related methods
US5864058A (en) * 1994-09-23 1999-01-26 Baroid Technology, Inc. Detecting and reducing bit whirl
US5842149A (en) * 1996-10-22 1998-11-24 Baker Hughes Incorporated Closed loop drilling system

Also Published As

Publication number Publication date
DE69920145T2 (de) 2005-09-22
EP1008718A2 (de) 2000-06-14
EP1008718A3 (de) 2001-04-11
EP1008718B1 (de) 2004-09-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition