DE69127370D1 - VALVE CONTROL UNIT - Google Patents

VALVE CONTROL UNIT

Info

Publication number
DE69127370D1
DE69127370D1 DE69127370T DE69127370T DE69127370D1 DE 69127370 D1 DE69127370 D1 DE 69127370D1 DE 69127370 T DE69127370 T DE 69127370T DE 69127370 T DE69127370 T DE 69127370T DE 69127370 D1 DE69127370 D1 DE 69127370D1
Authority
DE
Germany
Prior art keywords
control unit
valve control
valve
unit
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.)
Expired - Lifetime
Application number
DE69127370T
Other languages
German (de)
Inventor
Jeffrey Edwards
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.)
Expro North Sea Ltd
Original Assignee
Expro 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 Expro North Sea Ltd filed Critical Expro North Sea Ltd
Application granted granted Critical
Publication of DE69127370D1 publication Critical patent/DE69127370D1/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
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B34/108—Valve 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)
  • Fluid-Driven Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
DE69127370T 1990-10-03 1991-09-30 VALVE CONTROL UNIT Expired - Lifetime DE69127370D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909021488A GB9021488D0 (en) 1990-10-03 1990-10-03 Drill test tools
PCT/GB1991/001679 WO1992006270A2 (en) 1990-10-03 1991-09-30 Valve control apparatus

Publications (1)

Publication Number Publication Date
DE69127370D1 true DE69127370D1 (en) 1997-09-25

Family

ID=10683159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127370T Expired - Lifetime DE69127370D1 (en) 1990-10-03 1991-09-30 VALVE CONTROL UNIT

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
GB2428719B (en) 2003-04-01 2007-08-29 Specialised Petroleum Serv Ltd Method of Circulating Fluid in a Borehole
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
NO306876B1 (en) 2000-01-03
WO1992006270A3 (en) 1992-08-06
CA2093331C (en) 2001-08-28
NO931274D0 (en) 1993-04-02
CA2093331A1 (en) 1992-04-04
GB9120751D0 (en) 1991-11-13
GB9021488D0 (en) 1990-11-14
EP0550569A1 (en) 1993-07-14
WO1992006270A2 (en) 1992-04-16
GB2248465A (en) 1992-04-08
NO931274L (en) 1993-06-01
EP0550569B1 (en) 1997-08-20
GB2248465B (en) 1994-12-07

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Legal Events

Date Code Title Description
8332 No legal effect for de