DK0735233T3 - Hydraulically operated sleeve valve for earth drilling - Google Patents
Hydraulically operated sleeve valve for earth drillingInfo
- 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
Links
- 238000005553 drilling Methods 0.000 title 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19511722A DE19511722C2 (en) | 1995-03-30 | 1995-03-30 | Sliding sleeve |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0735233T3 true DK0735233T3 (en) | 2003-05-05 |
Family
ID=7758189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK96104393T DK0735233T3 (en) | 1995-03-30 | 1996-03-20 | Hydraulically operated sleeve valve for earth drilling |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0735233B1 (en) |
DE (2) | DE19511722C2 (en) |
DK (1) | DK0735233T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006038858A1 (en) | 2006-08-20 | 2008-02-21 | Voxeljet Technology Gmbh | Self-hardening material and method for layering models |
CN102797435A (en) * | 2012-08-20 | 2012-11-28 | 中国海洋石油总公司 | Safety valve of ground hydraulic control water injection well |
Family Cites Families (8)
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 (en) * | 1986-12-02 | 1988-06-16 | Edeco Gmbh | Killing valve for an output well |
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 (en) * | 1989-08-31 | 1991-03-01 | British Petroleum Co Plc | Annulus SAFETY VALVE. |
US5048611A (en) * | 1990-06-04 | 1991-09-17 | Lindsey Completion Systems, Inc. | Pressure operated circulation valve |
-
1995
- 1995-03-30 DE DE19511722A patent/DE19511722C2/en not_active Expired - Lifetime
-
1996
- 1996-03-20 DK DK96104393T patent/DK0735233T3/en active
- 1996-03-20 EP EP96104393A patent/EP0735233B1/en not_active Expired - Lifetime
- 1996-03-20 DE DE59610142T patent/DE59610142D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19511722C2 (en) | 1997-04-17 |
DE19511722A1 (en) | 1996-10-02 |
EP0735233A2 (en) | 1996-10-02 |
DE59610142D1 (en) | 2003-03-27 |
EP0735233B1 (en) | 2003-02-19 |
EP0735233A3 (en) | 2000-06-28 |
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