GB8705778D0 - Casing centralizer - Google Patents

Casing centralizer

Info

Publication number
GB8705778D0
GB8705778D0 GB878705778A GB8705778A GB8705778D0 GB 8705778 D0 GB8705778 D0 GB 8705778D0 GB 878705778 A GB878705778 A GB 878705778A GB 8705778 A GB8705778 A GB 8705778A GB 8705778 D0 GB8705778 D0 GB 8705778D0
Authority
GB
United Kingdom
Prior art keywords
casing centralizer
centralizer
casing
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.)
Withdrawn
Application number
GB878705778A
Other versions
GB2197008A (en
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.)
Mikolajczyk R F
Original Assignee
Mikolajczyk R F
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 Mikolajczyk R F filed Critical Mikolajczyk R F
Publication of GB8705778D0 publication Critical patent/GB8705778D0/en
Publication of GB2197008A publication Critical patent/GB2197008A/en
Withdrawn legal-status Critical Current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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/04—Measuring depth or liquid level
    • E21B47/053—Measuring depth or liquid level using radioactive markers
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
GB08705778A 1986-10-30 1987-03-11 Casing centraliser Withdrawn GB2197008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92492986A 1986-10-30 1986-10-30

Publications (2)

Publication Number Publication Date
GB8705778D0 true GB8705778D0 (en) 1987-04-15
GB2197008A GB2197008A (en) 1988-05-11

Family

ID=25450934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08705778A Withdrawn GB2197008A (en) 1986-10-30 1987-03-11 Casing centraliser

Country Status (2)

Country Link
BR (1) BR8700248A (en)
GB (1) GB2197008A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575872A (en) * 2023-07-11 2023-08-11 四川尔零石油科技有限公司 Casing centralizer and production method thereof

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4984633A (en) * 1989-10-20 1991-01-15 Weatherford U.S., Inc. Nozzle effect protectors, centralizers, and stabilizers and related methods
US5363931A (en) * 1993-07-07 1994-11-15 Schlumberger Technology Corporation Drilling stabilizer
US5419395A (en) * 1993-11-12 1995-05-30 Baker Hughes Incorporated Eccentric fluid displacement sleeve
GB9404857D0 (en) * 1994-03-12 1994-04-27 Downhole Products Uk Ltd Casing centraliser
US6006830A (en) * 1994-03-12 1999-12-28 Downhole Products (Uk) Limited Casing centraliser
GB2285649B (en) * 1994-03-12 1996-02-14 Downhole Products Uk Ltd Casing centraliser
AU2002341386A1 (en) 2002-08-12 2004-02-25 Eni S.P.A. Integral centraliser
CA2404577C (en) * 2002-09-23 2011-11-15 Tesco Corporation Pipe centralizer and method of forming

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116575872A (en) * 2023-07-11 2023-08-11 四川尔零石油科技有限公司 Casing centralizer and production method thereof
CN116575872B (en) * 2023-07-11 2023-09-12 四川尔零石油科技有限公司 Casing centralizer and production method thereof

Also Published As

Publication number Publication date
BR8700248A (en) 1988-05-24
GB2197008A (en) 1988-05-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)