AU7896491A - Improvements in or relating to an apparatus and method for centralising a casing - Google Patents

Improvements in or relating to an apparatus and method for centralising a casing

Info

Publication number
AU7896491A
AU7896491A AU78964/91A AU7896491A AU7896491A AU 7896491 A AU7896491 A AU 7896491A AU 78964/91 A AU78964/91 A AU 78964/91A AU 7896491 A AU7896491 A AU 7896491A AU 7896491 A AU7896491 A AU 7896491A
Authority
AU
Australia
Prior art keywords
centralising
relating
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.)
Abandoned
Application number
AU78964/91A
Inventor
Doug Morrison
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.)
Lasalle Engineering Ltd
Original Assignee
Lasalle Engineering Ltd
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 Lasalle Engineering Ltd filed Critical Lasalle Engineering Ltd
Publication of AU7896491A publication Critical patent/AU7896491A/en
Abandoned 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)
  • Lighters Containing Fuel (AREA)
  • Harvester Elements (AREA)
AU78964/91A 1989-12-05 1990-12-05 Improvements in or relating to an apparatus and method for centralising a casing Abandoned AU7896491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8927502 1989-12-05
GB898927502A GB8927502D0 (en) 1989-12-05 1989-12-05 Improvements in or relating to an apparatus and method for centralising a casing

Publications (1)

Publication Number Publication Date
AU7896491A true AU7896491A (en) 1991-06-26

Family

ID=10667459

Family Applications (1)

Application Number Title Priority Date Filing Date
AU78964/91A Abandoned AU7896491A (en) 1989-12-05 1990-12-05 Improvements in or relating to an apparatus and method for centralising a casing

Country Status (3)

Country Link
AU (1) AU7896491A (en)
GB (1) GB8927502D0 (en)
WO (1) WO1991008374A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2316422A (en) * 1996-08-24 1998-02-25 Weatherford Lamb Centralizer
GB2331534B (en) * 1998-02-23 2000-01-19 Weatherford Lamb Centralizer
US6494274B1 (en) 1998-03-05 2002-12-17 Weatherford/Lamb, Inc. Axle, a friction reducing fitting and an axle installation method
WO2000043629A1 (en) 1999-01-22 2000-07-27 Weatherford/Lamb, Inc. Friction reducing tool and method for its use in a wellbore
US20080035331A1 (en) * 2006-06-28 2008-02-14 Jean Buytaert Epoxy secured web collar
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
US8701783B2 (en) 2007-07-26 2014-04-22 Antelope Oil Tool & Mfg. Co., Llc Apparatus for and method of deploying a centralizer installed on an expandable casing string
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
US7845061B2 (en) 2007-05-16 2010-12-07 Frank's International, Inc. Low clearance centralizer and method of making centralizer
BRPI0920784A2 (en) 2008-09-29 2021-03-02 Frank's International, Inc. downhole device actuator and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124196A (en) * 1964-03-10 Helical bow centralizer
US1820391A (en) * 1930-04-02 1931-08-25 Hartman William Walter Stabilizer
US3055432A (en) * 1960-06-23 1962-09-25 Baker Oil Tools Inc Well conduit centering devices
US3209836A (en) * 1963-02-01 1965-10-05 Trojan Inc Strong bow centralizer
US4088186A (en) * 1976-12-22 1978-05-09 Baker International Corporation Centering device for well conduit

Also Published As

Publication number Publication date
GB8927502D0 (en) 1990-02-07
WO1991008374A3 (en) 1991-10-31
WO1991008374A2 (en) 1991-06-13

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