NO770952L - Sneppl}s-endering for sentreringsinnretning. - Google Patents

Sneppl}s-endering for sentreringsinnretning.

Info

Publication number
NO770952L
NO770952L NO770952A NO770952A NO770952L NO 770952 L NO770952 L NO 770952L NO 770952 A NO770952 A NO 770952A NO 770952 A NO770952 A NO 770952A NO 770952 L NO770952 L NO 770952L
Authority
NO
Norway
Prior art keywords
parts
radial
members
curved
leaf springs
Prior art date
Application number
NO770952A
Other languages
English (en)
Norwegian (no)
Inventor
Mark O Anderson
Original Assignee
Halliburton Co
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 Co filed Critical Halliburton Co
Publication of NO770952L publication Critical patent/NO770952L/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)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Paper (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
NO770952A 1976-03-18 1977-03-17 Sneppl}s-endering for sentreringsinnretning. NO770952L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,096 US4021083A (en) 1976-03-18 1976-03-18 Snap-lock end ring

Publications (1)

Publication Number Publication Date
NO770952L true NO770952L (no) 1977-09-20

Family

ID=24680993

Family Applications (1)

Application Number Title Priority Date Filing Date
NO770952A NO770952L (no) 1976-03-18 1977-03-17 Sneppl}s-endering for sentreringsinnretning.

Country Status (8)

Country Link
US (1) US4021083A (es)
JP (1) JPS52114401A (es)
AR (1) AR215252A1 (es)
BR (1) BR7608155A (es)
DE (1) DE2702135A1 (es)
FR (1) FR2344706A1 (es)
NL (1) NL7613074A (es)
NO (1) NO770952L (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520869A (en) * 1983-09-29 1985-06-04 Svenson Bert N Centralizer for well casings
US7156171B2 (en) * 2000-09-06 2007-01-02 Casetech International, Inc. Dual diameter and rotating centralizer/sub
US7182131B2 (en) * 2000-09-06 2007-02-27 Casetech International, Inc. Dual diameter and rotating centralizer/sub and method
US6457519B1 (en) * 2001-02-20 2002-10-01 Antelope Oil Tool And Manufacturing Company, Inc. Expandable centralizer
US6957704B2 (en) * 2003-05-14 2005-10-25 Halliburton Energy Services Inc. Limit clamp for use with casing attachments
US9771763B2 (en) 2007-05-16 2017-09-26 Antelope Oil Tool & Mfg. Co. Low-clearance centralizer
US8763690B2 (en) 2007-05-16 2014-07-01 Antelope Oil Tool & Mfg. Co., Llc Casing centralizers having flexible bow springs
US7878241B2 (en) * 2007-05-16 2011-02-01 Frank's International, Inc. Expandable centralizer for expandable pipe string
US8196654B2 (en) 2007-05-16 2012-06-12 Frank's International, Inc. Expandable centralizer for expandable pipe string
US8573296B2 (en) * 2011-04-25 2013-11-05 Halliburton Energy Services, Inc. Limit collar
US9664001B2 (en) 2014-09-24 2017-05-30 Centek Limited Centralizer and associated devices
BR112017005894B1 (pt) * 2014-09-24 2022-07-12 Centek Ltd Centralizador para ser montado ao redor de um corpo de subcentralizador, subcentralizador, método de fabricação de um subcentralizador, dispositivo de encaixe para uso na formação de um centralizador, e centralizador
GB201506938D0 (en) * 2015-04-23 2015-06-10 Sentergy Ltd Connection Mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718266A (en) * 1951-12-14 1955-09-20 Baker Oil Tools Inc Stop devices for well conduits
US3055432A (en) * 1960-06-23 1962-09-25 Baker Oil Tools Inc Well conduit centering devices
US3227498A (en) * 1963-04-03 1966-01-04 Grant Oil Tool Company Drill pipe protector

Also Published As

Publication number Publication date
FR2344706A1 (fr) 1977-10-14
JPS52114401A (en) 1977-09-26
NL7613074A (nl) 1977-09-20
BR7608155A (pt) 1977-11-22
DE2702135A1 (de) 1977-09-29
US4021083A (en) 1977-05-03
AR215252A1 (es) 1979-09-28

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