GB9120751D0 - Valve control apparatus - Google Patents

Valve control apparatus

Info

Publication number
GB9120751D0
GB9120751D0 GB919120751A GB9120751A GB9120751D0 GB 9120751 D0 GB9120751 D0 GB 9120751D0 GB 919120751 A GB919120751 A GB 919120751A GB 9120751 A GB9120751 A GB 9120751A GB 9120751 D0 GB9120751 D0 GB 9120751D0
Authority
GB
United Kingdom
Prior art keywords
control apparatus
valve control
valve
control
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.)
Granted
Application number
GB919120751A
Other versions
GB2248465A (en
GB2248465B (en
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.)
Exploration and Production Services North Sea Ltd
Original Assignee
Exploration and Production Services North Sea 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 Exploration and Production Services North Sea Ltd filed Critical Exploration and Production Services North Sea Ltd
Publication of GB9120751D0 publication Critical patent/GB9120751D0/en
Publication of GB2248465A publication Critical patent/GB2248465A/en
Application granted granted Critical
Publication of GB2248465B publication Critical patent/GB2248465B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/004Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006"J-slot" systems, i.e. lug and slot indexing mechanisms
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/10Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/108Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with time delay systems, e.g. hydraulic impedance mechanisms

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Multiple-Way Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)
GB9120751A 1990-10-03 1991-09-30 Valve control apparatus Expired - Fee Related GB2248465B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909021488A GB9021488D0 (en) 1990-10-03 1990-10-03 Drill test tools

Publications (3)

Publication Number Publication Date
GB9120751D0 true GB9120751D0 (en) 1991-11-13
GB2248465A GB2248465A (en) 1992-04-08
GB2248465B GB2248465B (en) 1994-12-07

Family

ID=10683159

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909021488A Pending GB9021488D0 (en) 1990-10-03 1990-10-03 Drill test tools
GB9120751A Expired - Fee Related GB2248465B (en) 1990-10-03 1991-09-30 Valve control apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909021488A Pending GB9021488D0 (en) 1990-10-03 1990-10-03 Drill test tools

Country Status (6)

Country Link
EP (1) EP0550569B1 (en)
CA (1) CA2093331C (en)
DE (1) DE69127370D1 (en)
GB (2) GB9021488D0 (en)
NO (1) NO306876B1 (en)
WO (1) WO1992006270A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482119A (en) * 1994-09-30 1996-01-09 Halliburton Company Multi-mode well tool with hydraulic bypass assembly
GB2311315A (en) * 1996-03-22 1997-09-24 Smith International Hydraulic sliding side-door sleeve
NO309540B1 (en) * 1998-10-05 2001-02-12 Subsurface Technology As A pen device which sequentially conducts one hydraulic fluid stream to two or more independently operated hydraulic units
GB2377234B (en) * 2001-07-05 2005-09-28 Smith International Multi-cycle downhole apparatus
WO2004088091A1 (en) 2003-04-01 2004-10-14 Specialised Petroleum Services Group Limited Downhole tool
US8118098B2 (en) * 2006-05-23 2012-02-21 Schlumberger Technology Corporation Flow control system and method for use in a wellbore
US8196668B2 (en) 2006-12-18 2012-06-12 Schlumberger Technology Corporation Method and apparatus for completing a well
US8256518B2 (en) * 2009-02-19 2012-09-04 Schlumberger Technology Corporation Fail as is mechanism and method
GB201120448D0 (en) * 2011-11-28 2012-01-11 Oilsco Technologies Ltd Apparatus and method
GB201201652D0 (en) 2012-01-31 2012-03-14 Nov Downhole Eurasia Ltd Downhole tool actuation
US9638005B2 (en) 2013-06-12 2017-05-02 Exxonmobil Upstream Research Company Combined anti-rotation apparatus and pressure test tool
GB2535509A (en) 2015-02-19 2016-08-24 Nov Downhole Eurasia Ltd Selective downhole actuator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109725A (en) * 1977-10-27 1978-08-29 Halliburton Company Self adjusting liquid spring operating apparatus and method for use in an oil well valve
US4355685A (en) * 1980-05-22 1982-10-26 Halliburton Services Ball operated J-slot
US4403659A (en) * 1981-04-13 1983-09-13 Schlumberger Technology Corporation Pressure controlled reversing valve
US4596294A (en) * 1982-04-16 1986-06-24 Russell Larry R Surface control bent sub for directional drilling of petroleum wells
US4633952A (en) * 1984-04-03 1987-01-06 Halliburton Company Multi-mode testing tool and method of use
US4650001A (en) * 1985-11-12 1987-03-17 Halliburton Company Assembly for reducing the force applied to a slot and lug guide
US4915171A (en) * 1988-11-23 1990-04-10 Halliburton Company Above packer perforate test and sample tool and method of use
US4913231A (en) * 1988-12-09 1990-04-03 Dowell Schlumberger Tool for treating subterranean wells
GB2231069B (en) * 1989-04-28 1993-03-03 Exploration & Prod Serv Valves

Also Published As

Publication number Publication date
WO1992006270A3 (en) 1992-08-06
GB2248465A (en) 1992-04-08
DE69127370D1 (en) 1997-09-25
EP0550569B1 (en) 1997-08-20
NO306876B1 (en) 2000-01-03
WO1992006270A2 (en) 1992-04-16
NO931274D0 (en) 1993-04-02
CA2093331A1 (en) 1992-04-04
EP0550569A1 (en) 1993-07-14
NO931274L (en) 1993-06-01
CA2093331C (en) 2001-08-28
GB9021488D0 (en) 1990-11-14
GB2248465B (en) 1994-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040930