EP1008718A3 - Trépans racleurs rotatifs et méthodes pour leur conception - Google Patents

Trépans racleurs rotatifs et méthodes pour leur conception Download PDF

Info

Publication number
EP1008718A3
EP1008718A3 EP99309759A EP99309759A EP1008718A3 EP 1008718 A3 EP1008718 A3 EP 1008718A3 EP 99309759 A EP99309759 A EP 99309759A EP 99309759 A EP99309759 A EP 99309759A EP 1008718 A3 EP1008718 A3 EP 1008718A3
Authority
EP
European Patent Office
Prior art keywords
torque
speed
bit
relationship
bits
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.)
Granted
Application number
EP99309759A
Other languages
German (de)
English (en)
Other versions
EP1008718A2 (fr
EP1008718B1 (fr
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
Publication of EP1008718A2 publication Critical patent/EP1008718A2/fr
Publication of EP1008718A3 publication Critical patent/EP1008718A3/fr
Application granted granted Critical
Publication of EP1008718B1 publication Critical patent/EP1008718B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
EP19990309759 1998-12-11 1999-12-03 Trépans racleurs rotatifs et méthodes pour leur conception Expired - Lifetime EP1008718B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US210518 1994-03-17
US21051898A 1998-12-11 1998-12-11

Publications (3)

Publication Number Publication Date
EP1008718A2 EP1008718A2 (fr) 2000-06-14
EP1008718A3 true EP1008718A3 (fr) 2001-04-11
EP1008718B1 EP1008718B1 (fr) 2004-09-15

Family

ID=22783223

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990309759 Expired - Lifetime EP1008718B1 (fr) 1998-12-11 1999-12-03 Trépans racleurs rotatifs et méthodes pour leur conception

Country Status (2)

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

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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386810A2 (fr) * 1989-02-27 1990-09-12 Anadrill International SA Procédé pour modifier l'avancement d'un forage au moyen des caractéristiques hydrauliques du forage
EP0467580A1 (fr) * 1990-07-10 1992-01-22 AMOCO CORPORATION (an Indiana corp.) Trépan de forage souterrain et procédés associés
US5842149A (en) * 1996-10-22 1998-11-24 Baker Hughes Incorporated Closed loop drilling system
US5864058A (en) * 1994-09-23 1999-01-26 Baroid Technology, Inc. Detecting and reducing bit whirl

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386810A2 (fr) * 1989-02-27 1990-09-12 Anadrill International SA Procédé pour modifier l'avancement d'un forage au moyen des caractéristiques hydrauliques du forage
EP0467580A1 (fr) * 1990-07-10 1992-01-22 AMOCO CORPORATION (an Indiana corp.) Trépan de forage souterrain et procédés associés
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
DE69920145D1 (de) 2004-10-21
EP1008718A2 (fr) 2000-06-14
EP1008718B1 (fr) 2004-09-15

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