GB2327691B - Bypass valve closing means - Google Patents

Bypass valve closing means

Info

Publication number
GB2327691B
GB2327691B GB9716011A GB9716011A GB2327691B GB 2327691 B GB2327691 B GB 2327691B GB 9716011 A GB9716011 A GB 9716011A GB 9716011 A GB9716011 A GB 9716011A GB 2327691 B GB2327691 B GB 2327691B
Authority
GB
United Kingdom
Prior art keywords
bypass valve
valve closing
closing means
bypass
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.)
Revoked
Application number
GB9716011A
Other versions
GB2327691A (en
GB9716011D0 (en
Inventor
Bruce Hermann Forsyth Mcgarian
Rory Mccrae Tulloch
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Priority to GB0110032A priority Critical patent/GB2358657B/en
Publication of GB9716011D0 publication Critical patent/GB9716011D0/en
Priority to CA002295592A priority patent/CA2295592C/en
Priority to EP98936516A priority patent/EP1000220B1/en
Priority to PCT/GB1998/002244 priority patent/WO1999005393A1/en
Priority to US09/463,460 priority patent/US6293342B1/en
Publication of GB2327691A publication Critical patent/GB2327691A/en
Priority to NO20000420A priority patent/NO318067B1/en
Application granted granted Critical
Publication of GB2327691B publication Critical patent/GB2327691B/en
Anticipated expiration legal-status Critical
Revoked 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
    • E21B34/10—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
    • E21B34/103—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 with a shear pin
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • 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
    • E21B34/063—Valve or closure with destructible element, e.g. frangible disc
    • 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

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
GB9716011A 1997-07-28 1997-07-29 Bypass valve closing means Revoked GB2327691B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0110032A GB2358657B (en) 1997-07-28 1997-07-29 Bypass valve closing means
US09/463,460 US6293342B1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
EP98936516A EP1000220B1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
PCT/GB1998/002244 WO1999005393A1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
CA002295592A CA2295592C (en) 1997-07-28 1998-07-28 Bypass valve closing means
NO20000420A NO318067B1 (en) 1997-07-28 2000-01-27 Circulation valve closure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9715930.5A GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means

Publications (3)

Publication Number Publication Date
GB9716011D0 GB9716011D0 (en) 1997-10-01
GB2327691A GB2327691A (en) 1999-02-03
GB2327691B true GB2327691B (en) 2001-06-27

Family

ID=10816605

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9715930.5A Pending GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means
GB9716011A Revoked GB2327691B (en) 1997-07-28 1997-07-29 Bypass valve closing means

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9715930.5A Pending GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means

Country Status (1)

Country Link
GB (2) GB9715930D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6253861B1 (en) 1998-02-25 2001-07-03 Specialised Petroleum Services Limited Circulation tool
GB2341405B (en) * 1998-02-25 2002-09-11 Specialised Petroleum Serv Ltd Circulation tool
NO20000281L (en) * 1999-01-21 2000-07-24 Baker Hughes Inc Single trip window milling device and method with measurement during drilling
AU761233B2 (en) 1999-04-05 2003-05-29 Baker Hughes Incorporated One-trip casing cutting & removal apparatus
US7114574B2 (en) * 2003-02-19 2006-10-03 Schlumberger Technology Corp. By-pass valve mechanism and method of use hereof
NO332488B1 (en) 2009-04-17 2012-10-01 Reelwell As Downhole gasket seal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215369A (en) * 1988-02-04 1989-09-20 Hy Ram Eng Co Drill string circulating valve
GB2291904A (en) * 1994-07-29 1996-02-07 Camco Int Fluid circulation apparatus
GB2315082A (en) * 1996-07-10 1998-01-21 Klaas Johannes Zwart Downhole apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215369A (en) * 1988-02-04 1989-09-20 Hy Ram Eng Co Drill string circulating valve
GB2291904A (en) * 1994-07-29 1996-02-07 Camco Int Fluid circulation apparatus
GB2315082A (en) * 1996-07-10 1998-01-21 Klaas Johannes Zwart Downhole apparatus

Also Published As

Publication number Publication date
GB2327691A (en) 1999-02-03
GB9716011D0 (en) 1997-10-01
GB9715930D0 (en) 1997-10-01

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977

Free format text: PATENT REVOKED ON 20031031