GB1014736A - Improvements in and relating to devices for centralizing casing in boreholes - Google Patents

Improvements in and relating to devices for centralizing casing in boreholes

Info

Publication number
GB1014736A
GB1014736A GB4062762A GB4062762A GB1014736A GB 1014736 A GB1014736 A GB 1014736A GB 4062762 A GB4062762 A GB 4062762A GB 4062762 A GB4062762 A GB 4062762A GB 1014736 A GB1014736 A GB 1014736A
Authority
GB
United Kingdom
Prior art keywords
rings
boreholes
relating
devices
springs
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
GB4062762A
Inventor
Albert Edward Atkinson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4062762A priority Critical patent/GB1014736A/en
Publication of GB1014736A publication Critical patent/GB1014736A/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
    • E21B17/1028—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs with arcuate springs only, e.g. baskets with outwardly bowed strips for cementing operations

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)

Abstract

1,014,736. Wells &c. A. E. ATKINSON. Sept. 17, 1963 [Oct. 26, 1962], No. 40627/62. Heading E1F A casing centralizer comprises at least three rings 9, 10, 11 and springs 5 interconnecting the rings, the intermediate ring 11 or rings having means for attachment of springs extending in opposite directions. The attachment of the spring to the rings is in accordance with Specification 698,464. The springs may be arranged helically.
GB4062762A 1962-10-26 1962-10-26 Improvements in and relating to devices for centralizing casing in boreholes Expired GB1014736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4062762A GB1014736A (en) 1962-10-26 1962-10-26 Improvements in and relating to devices for centralizing casing in boreholes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4062762A GB1014736A (en) 1962-10-26 1962-10-26 Improvements in and relating to devices for centralizing casing in boreholes

Publications (1)

Publication Number Publication Date
GB1014736A true GB1014736A (en) 1965-12-31

Family

ID=10415830

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4062762A Expired GB1014736A (en) 1962-10-26 1962-10-26 Improvements in and relating to devices for centralizing casing in boreholes

Country Status (1)

Country Link
GB (1) GB1014736A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575239A (en) * 1969-04-18 1971-04-20 B & W Inc Progressive centralizer
US4255847A (en) * 1978-11-03 1981-03-17 Halliburton Company Method of making a knockdown centralizer
DE3508086C1 (en) * 1985-03-07 1986-08-14 Weatherford Oil Tool Gmbh, 3012 Langenhagen Centering basket for drilling and casing pipes
US4794986A (en) * 1987-11-27 1989-01-03 Weatherford U.S., Inc. Reticulated centralizing apparatus
EP0882869A2 (en) * 1994-08-31 1998-12-09 Halliburton Energy Services, Inc. Method of perforating a well casing and downhole tool hanger
WO2010118136A1 (en) * 2009-04-07 2010-10-14 Frank's International, Inc. Reduced drag centralizer

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575239A (en) * 1969-04-18 1971-04-20 B & W Inc Progressive centralizer
US4255847A (en) * 1978-11-03 1981-03-17 Halliburton Company Method of making a knockdown centralizer
DE3508086C1 (en) * 1985-03-07 1986-08-14 Weatherford Oil Tool Gmbh, 3012 Langenhagen Centering basket for drilling and casing pipes
US4794986A (en) * 1987-11-27 1989-01-03 Weatherford U.S., Inc. Reticulated centralizing apparatus
EP0882869A2 (en) * 1994-08-31 1998-12-09 Halliburton Energy Services, Inc. Method of perforating a well casing and downhole tool hanger
EP0882869A3 (en) * 1994-08-31 1999-03-10 Halliburton Energy Services, Inc. Method of perforating a well casing and downhole tool hanger
WO2010118136A1 (en) * 2009-04-07 2010-10-14 Frank's International, Inc. Reduced drag centralizer

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