CA2169544A1 - Equipement servant a reduire le couple impose a une colonne de forage - Google Patents

Equipement servant a reduire le couple impose a une colonne de forage

Info

Publication number
CA2169544A1
CA2169544A1 CA002169544A CA2169544A CA2169544A1 CA 2169544 A1 CA2169544 A1 CA 2169544A1 CA 002169544 A CA002169544 A CA 002169544A CA 2169544 A CA2169544 A CA 2169544A CA 2169544 A1 CA2169544 A1 CA 2169544A1
Authority
CA
Canada
Prior art keywords
drill string
sleeve
mandrel
drill
equipment
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
CA002169544A
Other languages
English (en)
Other versions
CA2169544C (fr
Inventor
George Swietlik
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.)
Pilot Drilling Control Ltd
Original Assignee
George Swietlik
Pilot Drilling Control Limited
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
Priority claimed from GB939317128A external-priority patent/GB9317128D0/en
Application filed by George Swietlik, Pilot Drilling Control Limited filed Critical George Swietlik
Publication of CA2169544A1 publication Critical patent/CA2169544A1/fr
Application granted granted Critical
Publication of CA2169544C publication Critical patent/CA2169544C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
CA002169544A 1993-08-17 1994-08-15 Equipement servant a reduire le couple impose a une colonne de forage Expired - Lifetime CA2169544C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9317128.8 1993-08-17
GB939317128A GB9317128D0 (en) 1993-08-17 1993-08-17 Equipment to reduce torque on a drill string
PCT/GB1994/001778 WO1995005521A1 (fr) 1993-08-17 1994-08-15 Appareillage servant a reduire le couple sur une colonne de forage

Publications (2)

Publication Number Publication Date
CA2169544A1 true CA2169544A1 (fr) 1995-02-23
CA2169544C CA2169544C (fr) 2005-11-01

Family

ID=35429190

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002169544A Expired - Lifetime CA2169544C (fr) 1993-08-17 1994-08-15 Equipement servant a reduire le couple impose a une colonne de forage

Country Status (1)

Country Link
CA (1) CA2169544C (fr)

Also Published As

Publication number Publication date
CA2169544C (fr) 2005-11-01

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20140815