GB2155519B - Casing pipe centralizer - Google Patents

Casing pipe centralizer

Info

Publication number
GB2155519B
GB2155519B GB08418211A GB8418211A GB2155519B GB 2155519 B GB2155519 B GB 2155519B GB 08418211 A GB08418211 A GB 08418211A GB 8418211 A GB8418211 A GB 8418211A GB 2155519 B GB2155519 B GB 2155519B
Authority
GB
United Kingdom
Prior art keywords
casing pipe
pipe centralizer
centralizer
casing
pipe
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
GB08418211A
Other versions
GB8418211D0 (en
GB2155519A (en
Inventor
Nuestro Casa Richard Al Armell
Andrew Scott
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.)
Drexel OilField Services Inc
Original Assignee
Drexel OilField Services Inc
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 Drexel OilField Services Inc filed Critical Drexel OilField Services Inc
Publication of GB8418211D0 publication Critical patent/GB8418211D0/en
Priority to US06/669,785 priority Critical patent/US4619322A/en
Priority to CA000467659A priority patent/CA1221909A/en
Publication of GB2155519A publication Critical patent/GB2155519A/en
Application granted granted Critical
Publication of GB2155519B publication Critical patent/GB2155519B/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
    • E21B17/1014—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)
GB08418211A 1984-02-10 1984-07-17 Casing pipe centralizer Expired GB2155519B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US06/669,785 US4619322A (en) 1984-02-10 1984-11-09 Centralizing devices for use down-well
CA000467659A CA1221909A (en) 1984-02-10 1984-11-13 Centralizing devices for use down-well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848403600A GB8403600D0 (en) 1984-02-10 1984-02-10 Casing pipe centralizer

Publications (3)

Publication Number Publication Date
GB8418211D0 GB8418211D0 (en) 1984-08-22
GB2155519A GB2155519A (en) 1985-09-25
GB2155519B true GB2155519B (en) 1987-03-18

Family

ID=10556427

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848403600A Pending GB8403600D0 (en) 1984-02-10 1984-02-10 Casing pipe centralizer
GB08418211A Expired GB2155519B (en) 1984-02-10 1984-07-17 Casing pipe centralizer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848403600A Pending GB8403600D0 (en) 1984-02-10 1984-02-10 Casing pipe centralizer

Country Status (1)

Country Link
GB (2) GB8403600D0 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8509326D0 (en) * 1985-04-11 1985-05-15 Drexel Equipment Ltd Centralizing device
US4811792A (en) * 1988-03-07 1989-03-14 Baker Hughes Incorporated Well tool stabilizer and method
US4960173A (en) * 1989-10-26 1990-10-02 Baker Hughes Incorporated Releasable well tool stabilizer
GB9111381D0 (en) * 1991-05-25 1991-07-17 Petroline Wireline Services Centraliser
US5765640A (en) * 1996-03-07 1998-06-16 Baker Hughes Incorporated Multipurpose tool
GB2361488B (en) 2000-04-20 2004-05-26 Sondex Ltd Roller centralizer for wireline tools
AU2002341386A1 (en) 2002-08-12 2004-02-25 Eni S.P.A. Integral centraliser
US11125046B2 (en) 2019-12-10 2021-09-21 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11668143B2 (en) 2019-12-10 2023-06-06 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11261678B2 (en) 2019-12-10 2022-03-01 Saudi Arabian Oil Company Deploying wellbore patch for mitigating lost circulation
US11286733B2 (en) 2020-03-26 2022-03-29 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11643878B2 (en) * 2020-03-26 2023-05-09 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11454071B2 (en) 2020-03-26 2022-09-27 Saudi Arabian Oil Company Deploying material to limit losses of drilling fluid in a wellbore
US11434707B2 (en) 2020-06-10 2022-09-06 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11434708B2 (en) 2020-06-10 2022-09-06 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11459838B2 (en) 2020-06-10 2022-10-04 Saudi Arabian Oil Company Lost circulation fabric, method, and deployment systems
US11727555B2 (en) 2021-02-25 2023-08-15 Saudi Arabian Oil Company Rig power system efficiency optimization through image processing
EP4122628A1 (en) * 2021-07-19 2023-01-25 Fundación Tekniker Support assembly for providing support to a boring bar
US11624265B1 (en) 2021-11-12 2023-04-11 Saudi Arabian Oil Company Cutting pipes in wellbores using downhole autonomous jet cutting tools
US11867012B2 (en) 2021-12-06 2024-01-09 Saudi Arabian Oil Company Gauge cutter and sampler apparatus

Also Published As

Publication number Publication date
GB8418211D0 (en) 1984-08-22
GB8403600D0 (en) 1984-03-14
GB2155519A (en) 1985-09-25

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Legal Events

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

Effective date: 19970717