GB2381280B - Centraliser - Google Patents

Centraliser

Info

Publication number
GB2381280B
GB2381280B GB0125418A GB0125418A GB2381280B GB 2381280 B GB2381280 B GB 2381280B GB 0125418 A GB0125418 A GB 0125418A GB 0125418 A GB0125418 A GB 0125418A GB 2381280 B GB2381280 B GB 2381280B
Authority
GB
United Kingdom
Prior art keywords
centraliser
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 - Fee Related
Application number
GB0125418A
Other versions
GB0125418D0 (en
GB2381280A (en
Inventor
Stephen Samuel Mckelvey
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.)
UWG Ltd
Original Assignee
UWG 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 UWG Ltd filed Critical UWG Ltd
Priority to GB0125418A priority Critical patent/GB2381280B/en
Publication of GB0125418D0 publication Critical patent/GB0125418D0/en
Publication of GB2381280A publication Critical patent/GB2381280A/en
Application granted granted Critical
Publication of GB2381280B publication Critical patent/GB2381280B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well

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)
  • Discharge Lamp (AREA)
GB0125418A 2001-10-23 2001-10-23 Centraliser Expired - Fee Related GB2381280B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0125418A GB2381280B (en) 2001-10-23 2001-10-23 Centraliser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0125418A GB2381280B (en) 2001-10-23 2001-10-23 Centraliser

Publications (3)

Publication Number Publication Date
GB0125418D0 GB0125418D0 (en) 2001-12-12
GB2381280A GB2381280A (en) 2003-04-30
GB2381280B true GB2381280B (en) 2006-03-22

Family

ID=9924364

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0125418A Expired - Fee Related GB2381280B (en) 2001-10-23 2001-10-23 Centraliser

Country Status (1)

Country Link
GB (1) GB2381280B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703715A (en) * 2017-03-06 2017-05-24 招远市鲁鑫石油工具有限公司 Self-block type pumping rod centering device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0218312D0 (en) * 2002-08-07 2002-09-11 Paramode Ltd An adjustable centralising device
GB2450693B (en) * 2007-07-03 2010-01-13 Malcolm Duell Improved damping apparatus
US8082987B2 (en) 2009-07-01 2011-12-27 Smith International, Inc. Hydraulically locking stabilizer
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
AU2014271189C1 (en) * 2013-05-21 2018-10-25 Matrix Offshore Services And Engineering Ltd. Centralising device and method therefor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842083A (en) * 1986-01-22 1989-06-27 Raney Richard C Drill bit stabilizer
GB2277226A (en) * 1993-04-17 1994-10-19 Sony Corp Image transformation system for kaleidoscopic effect
GB2277336A (en) * 1993-04-06 1994-10-26 Uwg Ltd Centraliser

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4842083A (en) * 1986-01-22 1989-06-27 Raney Richard C Drill bit stabilizer
GB2277336A (en) * 1993-04-06 1994-10-26 Uwg Ltd Centraliser
GB2277226A (en) * 1993-04-17 1994-10-19 Sony Corp Image transformation system for kaleidoscopic effect

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106703715A (en) * 2017-03-06 2017-05-24 招远市鲁鑫石油工具有限公司 Self-block type pumping rod centering device

Also Published As

Publication number Publication date
GB0125418D0 (en) 2001-12-12
GB2381280A (en) 2003-04-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20201023