GB2281752B - Plug valve assembly - Google Patents

Plug valve assembly

Info

Publication number
GB2281752B
GB2281752B GB9418180A GB9418180A GB2281752B GB 2281752 B GB2281752 B GB 2281752B GB 9418180 A GB9418180 A GB 9418180A GB 9418180 A GB9418180 A GB 9418180A GB 2281752 B GB2281752 B GB 2281752B
Authority
GB
United Kingdom
Prior art keywords
valve assembly
plug valve
plug
assembly
valve
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
GB9418180A
Other versions
GB9418180D0 (en
GB2281752A (en
Inventor
Mark Buyers
Simon Benedict Fraser
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.)
Omega Dev & Eng Ltd
Original Assignee
Omega Dev & Eng 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
Priority claimed from GB939319016A external-priority patent/GB9319016D0/en
Application filed by Omega Dev & Eng Ltd filed Critical Omega Dev & Eng Ltd
Publication of GB9418180D0 publication Critical patent/GB9418180D0/en
Publication of GB2281752A publication Critical patent/GB2281752A/en
Application granted granted Critical
Publication of GB2281752B publication Critical patent/GB2281752B/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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position

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)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
GB9418180A 1993-09-14 1994-09-09 Plug valve assembly Expired - Lifetime GB2281752B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939319016A GB9319016D0 (en) 1993-09-14 1993-09-14 Plug valve assembly
GB939325201A GB9325201D0 (en) 1993-09-14 1993-12-09 Plug valve assembly

Publications (3)

Publication Number Publication Date
GB9418180D0 GB9418180D0 (en) 1994-10-26
GB2281752A GB2281752A (en) 1995-03-15
GB2281752B true GB2281752B (en) 1996-07-31

Family

ID=26303518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9418180A Expired - Lifetime GB2281752B (en) 1993-09-14 1994-09-09 Plug valve assembly

Country Status (1)

Country Link
GB (1) GB2281752B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2298880B (en) * 1995-03-17 1998-12-02 Mark Buyers Plug valve assembly
GB0326457D0 (en) 2003-11-13 2003-12-17 Red Spider Technology Ltd Actuating mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188999A (en) * 1978-09-27 1980-02-19 Baker International Corporation Expendable plug and packer assembly
US4405017A (en) * 1981-10-02 1983-09-20 Baker International Corporation Positive locating expendable plug
US4469173A (en) * 1983-05-09 1984-09-04 Hughes Tool Company Expendable plug assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188999A (en) * 1978-09-27 1980-02-19 Baker International Corporation Expendable plug and packer assembly
US4405017A (en) * 1981-10-02 1983-09-20 Baker International Corporation Positive locating expendable plug
US4469173A (en) * 1983-05-09 1984-09-04 Hughes Tool Company Expendable plug assembly

Also Published As

Publication number Publication date
GB9418180D0 (en) 1994-10-26
GB2281752A (en) 1995-03-15

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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)
PE20 Patent expired after termination of 20 years

Expiry date: 20140908