GB1446228A - Stabilizers for drill strings - Google Patents

Stabilizers for drill strings

Info

Publication number
GB1446228A
GB1446228A GB5441673A GB5441673A GB1446228A GB 1446228 A GB1446228 A GB 1446228A GB 5441673 A GB5441673 A GB 5441673A GB 5441673 A GB5441673 A GB 5441673A GB 1446228 A GB1446228 A GB 1446228A
Authority
GB
United Kingdom
Prior art keywords
stabilizers
drill strings
pipe
heading
feb
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
Application number
GB5441673A
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.)
OIL PATCH IND Ltd
Original Assignee
OIL PATCH IND 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 OIL PATCH IND Ltd filed Critical OIL PATCH IND Ltd
Publication of GB1446228A publication Critical patent/GB1446228A/en
Expired 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1042—Elastomer protector or centering means
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes

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)
  • Adornments (AREA)
  • Earth Drilling (AREA)

Abstract

1446228 Boring earth &c OIL PATCH INDUSTRIES Ltd 23 Nov 1973 [26 Feb 1973] 54416/73 Heading E1F A drill pipe stabilizer comprises an inner elastic or plastics body 5 adapted to slide on the pipe, and an outer rigid or steel body 3 having ribs 2, the bodies being detachably connected.
GB5441673A 1973-02-26 1973-11-23 Stabilizers for drill strings Expired GB1446228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA164,553A CA964640A (en) 1973-02-26 1973-02-26 Non-rotating sleeve stabilizer for drilling strings

Publications (1)

Publication Number Publication Date
GB1446228A true GB1446228A (en) 1976-08-18

Family

ID=4095919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5441673A Expired GB1446228A (en) 1973-02-26 1973-11-23 Stabilizers for drill strings

Country Status (4)

Country Link
CA (1) CA964640A (en)
DE (1) DE2359366A1 (en)
GB (1) GB1446228A (en)
NL (1) NL7400885A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486055A (en) * 2010-12-01 2012-06-06 Matrix Composites & Engineering Ltd A Plastic Tubular Down-Hole Centraliser
WO2021079096A1 (en) * 2019-10-21 2021-04-29 Mako Offshore Ltd Conductor assembly and methods

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411139B (en) * 1977-04-29 1979-12-03 Sandvik Ab DRILLING DEVICE

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2486055A (en) * 2010-12-01 2012-06-06 Matrix Composites & Engineering Ltd A Plastic Tubular Down-Hole Centraliser
GB2486055B (en) * 2010-12-01 2015-08-05 Matrix Composites & Engineering Ltd A downhole centraliser
WO2021079096A1 (en) * 2019-10-21 2021-04-29 Mako Offshore Ltd Conductor assembly and methods
GB2604469A (en) * 2019-10-21 2022-09-07 Mako Offshore Ltd Conductor assembly and methods
GB2604469B (en) * 2019-10-21 2024-02-28 Mako Offshore Ltd Conductor assembly and methods

Also Published As

Publication number Publication date
NL7400885A (en) 1974-08-28
DE2359366A1 (en) 1974-08-29
CA964640A (en) 1975-03-18

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee