NO764279L - - Google Patents

Info

Publication number
NO764279L
NO764279L NO764279A NO764279A NO764279L NO 764279 L NO764279 L NO 764279L NO 764279 A NO764279 A NO 764279A NO 764279 A NO764279 A NO 764279A NO 764279 L NO764279 L NO 764279L
Authority
NO
Norway
Application number
NO764279A
Inventor
H J Clay
Original Assignee
Halliburton Services
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 Halliburton Services filed Critical Halliburton Services
Publication of NO764279L publication Critical patent/NO764279L/no

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)
NO764279A 1975-12-19 1976-12-17 NO764279L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/642,264 US4011907A (en) 1975-12-19 1975-12-19 Knockdown centralizer

Publications (1)

Publication Number Publication Date
NO764279L true NO764279L (no) 1977-06-21

Family

ID=24575870

Family Applications (1)

Application Number Title Priority Date Filing Date
NO764279A NO764279L (no) 1975-12-19 1976-12-17

Country Status (11)

Country Link
US (1) US4011907A (no)
JP (1) JPS5296901A (no)
AR (1) AR210378A1 (no)
BR (1) BR7608147A (no)
CA (1) CA1053577A (no)
DE (1) DE2656541A1 (no)
FR (1) FR2335690A1 (no)
GB (1) GB1564962A (no)
MX (1) MX143666A (no)
NL (1) NL7613365A (no)
NO (1) NO764279L (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133398A (en) * 1977-02-28 1979-01-09 Smith International, Inc. Collapsible spider for use in supporting casing during upward drilling operations
US4241789A (en) * 1978-05-12 1980-12-30 Grosch Gottlieb W Concrete wall casing with centralizers embedded therein
US4269269A (en) * 1979-05-14 1981-05-26 Halliburton Company Lock tab for centralizer end ring
US4422504A (en) * 1981-03-16 1983-12-27 Moore Boyd B Protective clamp assembly
US4520869A (en) * 1983-09-29 1985-06-04 Svenson Bert N Centralizer for well casings
GB2179079A (en) * 1985-08-15 1987-02-25 William Hunt Engineers Limited Well casing tools
US4651823A (en) * 1986-05-19 1987-03-24 Antelope Oil Tool & Mfg. Company Centralizer
US4875524A (en) * 1988-09-29 1989-10-24 Halliburton Company Casing centralizer
US4909322A (en) * 1989-04-26 1990-03-20 Davis-Lynch, Inc. Casing centralizer
US5143154A (en) * 1990-03-13 1992-09-01 Baker Hughes Incorporated Inflatable packing element
US5575333A (en) * 1995-06-07 1996-11-19 Weatherford U.S., Inc. Centralizer
US7182131B2 (en) * 2000-09-06 2007-02-27 Casetech International, Inc. Dual diameter and rotating centralizer/sub and method
US7156171B2 (en) * 2000-09-06 2007-01-02 Casetech International, Inc. Dual diameter and rotating centralizer/sub
US6457519B1 (en) * 2001-02-20 2002-10-01 Antelope Oil Tool And Manufacturing Company, Inc. Expandable centralizer
CN102359350B (zh) * 2011-10-09 2013-09-18 中国海洋石油总公司 一种扶正器
USD930046S1 (en) * 2018-02-22 2021-09-07 Vulcan Completion Products Uk Limited Centralizer for centralizing tubing in a wellbore

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1801334A (en) * 1926-01-11 1931-04-21 Dalldorf Lloyd Tailpiece for well tools
US2248160A (en) * 1938-08-12 1941-07-08 Earl L Crawford Well apparatus
US2738019A (en) * 1951-05-22 1956-03-13 Atkinson Albert Edward Devices for centralizing casing in boreholes
US2727576A (en) * 1952-04-09 1955-12-20 Jesse E Hall Centralizers
US2728399A (en) * 1953-12-10 1955-12-27 Kluck Louis Floating spring type casing centralizer
US2944603A (en) * 1956-01-30 1960-07-12 Baker Oil Tools Inc Subsurface electric current generating apparatus
US3055432A (en) * 1960-06-23 1962-09-25 Baker Oil Tools Inc Well conduit centering devices

Also Published As

Publication number Publication date
FR2335690B1 (no) 1982-08-20
BR7608147A (pt) 1977-11-22
GB1564962A (en) 1980-04-16
US4011907A (en) 1977-03-15
CA1053577A (en) 1979-05-01
DE2656541A1 (de) 1977-06-23
FR2335690A1 (fr) 1977-07-15
NL7613365A (nl) 1977-06-21
JPS5296901A (en) 1977-08-15
MX143666A (es) 1981-06-22
AR210378A1 (es) 1977-07-29

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