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GB2295171B - Bore sealing - Google Patents

Bore sealing

Info

Publication number
GB2295171B
GB2295171B GB9423341A GB9423341A GB2295171B GB 2295171 B GB2295171 B GB 2295171B GB 9423341 A GB9423341 A GB 9423341A GB 9423341 A GB9423341 A GB 9423341A GB 2295171 B GB2295171 B GB 2295171B
Authority
GB
United Kingdom
Prior art keywords
bore sealing
bore
sealing
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 - Lifetime
Application number
GB9423341A
Other versions
GB9423341D0 (en
GB2295171A (en
Inventor
Colin Mchardy
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.)
Petroline Wellsystems Ltd
Original Assignee
Petroline Wireline Services 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 Petroline Wireline Services Ltd filed Critical Petroline Wireline Services Ltd
Priority to GB9423341A priority Critical patent/GB2295171B/en
Publication of GB9423341D0 publication Critical patent/GB9423341D0/en
Publication of GB2295171A publication Critical patent/GB2295171A/en
Application granted granted Critical
Publication of GB2295171B publication Critical patent/GB2295171B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB9423341A 1994-11-18 1994-11-18 Bore sealing Expired - Lifetime GB2295171B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9423341A GB2295171B (en) 1994-11-18 1994-11-18 Bore sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9423341A GB2295171B (en) 1994-11-18 1994-11-18 Bore sealing

Publications (3)

Publication Number Publication Date
GB9423341D0 GB9423341D0 (en) 1995-01-11
GB2295171A GB2295171A (en) 1996-05-22
GB2295171B true GB2295171B (en) 1998-09-02

Family

ID=10764644

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9423341A Expired - Lifetime GB2295171B (en) 1994-11-18 1994-11-18 Bore sealing

Country Status (1)

Country Link
GB (1) GB2295171B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5749585A (en) * 1995-12-18 1998-05-12 Baker Hughes Incorporated Downhole tool sealing system with cylindrical biasing member with narrow width and wider width openings
GB0409189D0 (en) 2004-04-24 2004-05-26 Expro North Sea Ltd Plug setting and retrieving apparatus
US20080110643A1 (en) * 2006-11-09 2008-05-15 Baker Hughes Incorporated Large bore packer and methods of setting same
US20080115944A1 (en) * 2006-11-22 2008-05-22 Weatherford/Lamb, Inc. Well barrier apparatus and associated methods

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173839A (en) * 1985-04-19 1986-10-22 Coal Ind Long range borehole drilling equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2173839A (en) * 1985-04-19 1986-10-22 Coal Ind Long range borehole drilling equipment

Also Published As

Publication number Publication date
GB9423341D0 (en) 1995-01-11
GB2295171A (en) 1996-05-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20141117