DK0735233T3 - Hydraulisk betjent muffeventil for jordboringer - Google Patents

Hydraulisk betjent muffeventil for jordboringer

Info

Publication number
DK0735233T3
DK0735233T3 DK96104393T DK96104393T DK0735233T3 DK 0735233 T3 DK0735233 T3 DK 0735233T3 DK 96104393 T DK96104393 T DK 96104393T DK 96104393 T DK96104393 T DK 96104393T DK 0735233 T3 DK0735233 T3 DK 0735233T3
Authority
DK
Denmark
Prior art keywords
hydraulically operated
sleeve valve
earth drilling
operated sleeve
drilling
Prior art date
Application number
DK96104393T
Other languages
English (en)
Inventor
Ferenc Kerekes
Original Assignee
Preussag En Gmbh
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 Preussag En Gmbh filed Critical Preussag En Gmbh
Application granted granted Critical
Publication of DK0735233T3 publication Critical patent/DK0735233T3/da

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

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)
  • Multiple-Way Valves (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
DK96104393T 1995-03-30 1996-03-20 Hydraulisk betjent muffeventil for jordboringer DK0735233T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19511722A DE19511722C2 (de) 1995-03-30 1995-03-30 Schiebemuffe

Publications (1)

Publication Number Publication Date
DK0735233T3 true DK0735233T3 (da) 2003-05-05

Family

ID=7758189

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96104393T DK0735233T3 (da) 1995-03-30 1996-03-20 Hydraulisk betjent muffeventil for jordboringer

Country Status (3)

Country Link
EP (1) EP0735233B1 (da)
DE (2) DE19511722C2 (da)
DK (1) DK0735233T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006038858A1 (de) 2006-08-20 2008-02-21 Voxeljet Technology Gmbh Selbstaushärtendes Material und Verfahren zum schichtweisen Aufbau von Modellen
CN102797435A (zh) * 2012-08-20 2012-11-28 中国海洋石油总公司 一种地面液压控制注水井安全阀

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434854A (en) * 1980-07-07 1984-03-06 Geo Vann, Inc. Pressure actuated vent assembly for slanted wellbores
US4403659A (en) * 1981-04-13 1983-09-13 Schlumberger Technology Corporation Pressure controlled reversing valve
US4429747A (en) * 1981-09-01 1984-02-07 Otis Engineering Corporation Well tool
DE3641103A1 (de) * 1986-12-02 1988-06-16 Edeco Gmbh Totpump-ventil fuer eine foerdersonde
US4842074A (en) * 1987-10-15 1989-06-27 Otis Engineering Corporation Gas storage well safety system and method
US4915175A (en) * 1989-02-21 1990-04-10 Otis Engineering Corporation Well flow device
NO903764L (no) * 1989-08-31 1991-03-01 British Petroleum Co Plc Ringrom-sikkerhetsventil.
US5048611A (en) * 1990-06-04 1991-09-17 Lindsey Completion Systems, Inc. Pressure operated circulation valve

Also Published As

Publication number Publication date
DE19511722A1 (de) 1996-10-02
DE59610142D1 (de) 2003-03-27
EP0735233A2 (de) 1996-10-02
EP0735233B1 (de) 2003-02-19
EP0735233A3 (de) 2000-06-28
DE19511722C2 (de) 1997-04-17

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