GB2284622B - Improvements in and relating to downhole tools - Google Patents

Improvements in and relating to downhole tools

Info

Publication number
GB2284622B
GB2284622B GB9323452A GB9323452A GB2284622B GB 2284622 B GB2284622 B GB 2284622B GB 9323452 A GB9323452 A GB 9323452A GB 9323452 A GB9323452 A GB 9323452A GB 2284622 B GB2284622 B GB 2284622B
Authority
GB
United Kingdom
Prior art keywords
relating
downhole tools
downhole
tools
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
GB9323452A
Other versions
GB2284622A (en
GB9323452D0 (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 GB9323452A priority Critical patent/GB2284622B/en
Publication of GB9323452D0 publication Critical patent/GB9323452D0/en
Publication of GB2284622A publication Critical patent/GB2284622A/en
Application granted granted Critical
Publication of GB2284622B publication Critical patent/GB2284622B/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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
    • 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

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)
GB9323452A 1993-11-13 1993-11-13 Improvements in and relating to downhole tools Expired - Lifetime GB2284622B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9323452A GB2284622B (en) 1993-11-13 1993-11-13 Improvements in and relating to downhole tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323452A GB2284622B (en) 1993-11-13 1993-11-13 Improvements in and relating to downhole tools

Publications (3)

Publication Number Publication Date
GB9323452D0 GB9323452D0 (en) 1994-01-05
GB2284622A GB2284622A (en) 1995-06-14
GB2284622B true GB2284622B (en) 1997-06-11

Family

ID=10745133

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323452A Expired - Lifetime GB2284622B (en) 1993-11-13 1993-11-13 Improvements in and relating to downhole tools

Country Status (1)

Country Link
GB (1) GB2284622B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2312698B (en) * 1996-05-01 2000-12-06 Petroleum Eng Services Packer
CN102966328B (en) * 2012-11-25 2015-02-25 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Novel electro-hydraulic integral bridge plug release tool
CN105465062B (en) * 2015-11-19 2017-12-05 北京美高科技发展有限公司 The setting instrument of cable type static pressure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123880A (en) * 1982-07-14 1984-02-08 Jar accelerator
US5069282A (en) * 1990-12-10 1991-12-03 Taylor William T Mechanical down jar mechanism
US5139086A (en) * 1990-06-19 1992-08-18 Grifco, Inc. Double acting accelerator jar
GB2254093A (en) * 1991-03-28 1992-09-30 Petroline Wireline Services Upstroke jar
US5170843A (en) * 1990-12-10 1992-12-15 Taylor William T Hydro-recocking down jar mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123880A (en) * 1982-07-14 1984-02-08 Jar accelerator
US5139086A (en) * 1990-06-19 1992-08-18 Grifco, Inc. Double acting accelerator jar
US5069282A (en) * 1990-12-10 1991-12-03 Taylor William T Mechanical down jar mechanism
US5170843A (en) * 1990-12-10 1992-12-15 Taylor William T Hydro-recocking down jar mechanism
GB2254093A (en) * 1991-03-28 1992-09-30 Petroline Wireline Services Upstroke jar

Also Published As

Publication number Publication date
GB2284622A (en) 1995-06-14
GB9323452D0 (en) 1994-01-05

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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: 20131112