GB0218312D0 - An adjustable centralising device - Google Patents

An adjustable centralising device

Info

Publication number
GB0218312D0
GB0218312D0 GBGB0218312.7A GB0218312A GB0218312D0 GB 0218312 D0 GB0218312 D0 GB 0218312D0 GB 0218312 A GB0218312 A GB 0218312A GB 0218312 D0 GB0218312 D0 GB 0218312D0
Authority
GB
United Kingdom
Prior art keywords
adjustable
centralising device
centralising
adjustable centralising
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.)
Ceased
Application number
GBGB0218312.7A
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.)
PARAMODE Ltd
Original Assignee
PARAMODE 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 PARAMODE Ltd filed Critical PARAMODE Ltd
Priority to GBGB0218312.7A priority Critical patent/GB0218312D0/en
Publication of GB0218312D0 publication Critical patent/GB0218312D0/en
Priority to GB0318520A priority patent/GB2391570B/en
Ceased 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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
    • 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
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • 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
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs

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)
GBGB0218312.7A 2002-08-07 2002-08-07 An adjustable centralising device Ceased GB0218312D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0218312.7A GB0218312D0 (en) 2002-08-07 2002-08-07 An adjustable centralising device
GB0318520A GB2391570B (en) 2002-08-07 2003-08-07 An adjustable centralising device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0218312.7A GB0218312D0 (en) 2002-08-07 2002-08-07 An adjustable centralising device

Publications (1)

Publication Number Publication Date
GB0218312D0 true GB0218312D0 (en) 2002-09-11

Family

ID=9941879

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0218312.7A Ceased GB0218312D0 (en) 2002-08-07 2002-08-07 An adjustable centralising device
GB0318520A Expired - Fee Related GB2391570B (en) 2002-08-07 2003-08-07 An adjustable centralising device

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0318520A Expired - Fee Related GB2391570B (en) 2002-08-07 2003-08-07 An adjustable centralising device

Country Status (1)

Country Link
GB (2) GB0218312D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2417505B (en) * 2004-08-28 2008-06-25 U W G Ltd Centraliser
GB201116263D0 (en) * 2011-09-20 2011-11-02 Mcpeake Kieran An animal cubicle
GB201116236D0 (en) * 2011-09-20 2011-11-02 Claxton Engineering Services Ltd Centralizer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5346016A (en) * 1991-09-16 1994-09-13 Conoco Inc. Apparatus and method for centralizing pipe in a wellbore
GB2277336B (en) * 1993-04-06 1996-07-24 Uwg Ltd Centraliser
US6484803B1 (en) * 2000-09-06 2002-11-26 Casetech International, Inc. Dual diameter centralizer/sub and method
GB2381280B (en) * 2001-10-23 2006-03-22 Uwg Ltd Centraliser

Also Published As

Publication number Publication date
GB2391570A (en) 2004-02-11
GB2391570B (en) 2006-01-25
GB0318520D0 (en) 2003-09-10

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)