DK140297A - Aktiveringskredsløb til en borehulsventil - Google Patents
Aktiveringskredsløb til en borehulsventilInfo
- Publication number
- DK140297A DK140297A DK199701402A DK140297A DK140297A DK 140297 A DK140297 A DK 140297A DK 199701402 A DK199701402 A DK 199701402A DK 140297 A DK140297 A DK 140297A DK 140297 A DK140297 A DK 140297A
- Authority
- DK
- Denmark
- Prior art keywords
- activation circuit
- borehole
- borehole valve
- valve
- activation
- Prior art date
Links
- 230000004913 activation Effects 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/11—Perforators; Permeators
- E21B43/116—Gun or shaped-charge perforators
- E21B43/1185—Ignition systems
- E21B43/11852—Ignition systems hydraulically actuated
-
- 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
- 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)
- Safety Valves (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/760,391 US5979561A (en) | 1996-12-04 | 1996-12-04 | Downhole activation circuit valving |
Publications (1)
Publication Number | Publication Date |
---|---|
DK140297A true DK140297A (da) | 1998-06-05 |
Family
ID=25058979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK199701402A DK140297A (da) | 1996-12-04 | 1997-12-04 | Aktiveringskredsløb til en borehulsventil |
Country Status (4)
Country | Link |
---|---|
US (1) | US5979561A (da) |
DK (1) | DK140297A (da) |
GB (1) | GB2320043B (da) |
NL (1) | NL1007665C2 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6085843A (en) * | 1998-06-03 | 2000-07-11 | Schlumberger Technology Corporation | Mechanical shut-off valve |
AU2012388242B2 (en) | 2012-08-20 | 2016-06-16 | Halliburton Energy Services, Inc. | Stress reactive valve |
WO2016141456A1 (en) | 2015-03-12 | 2016-09-15 | Ncs Multistage Inc. | Electrically actuated downhole flow control apparatus |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2674313A (en) * | 1950-04-07 | 1954-04-06 | Lawrence S Chambers | Sidewall formation fluid sampler |
US3208355A (en) * | 1960-09-14 | 1965-09-28 | Baker Oil Tools Inc | Hydrostatic pressure operated apparatus |
GB915540A (en) * | 1960-10-07 | 1963-01-16 | Graviner Manufacturing Co | Improvements in or relating to electrical actuators, for example for fire extinguishers |
US3589442A (en) * | 1969-06-27 | 1971-06-29 | Dresser Ind | Well shock device |
US4557331A (en) * | 1983-11-14 | 1985-12-10 | Baker Oil Tools, Inc. | Well perforating method and apparatus |
US4515217A (en) * | 1983-12-27 | 1985-05-07 | Baker Oil Tools, Inc. | Perforating gun pressure activated sliding sleeve |
US4603741A (en) * | 1985-02-19 | 1986-08-05 | Hughes Tool Company | Weight actuated tubing valve |
US4616701A (en) * | 1985-06-06 | 1986-10-14 | Baker Oil Tools, Inc. | Well perforating apparatus including an underbalancing valve |
US4597439A (en) * | 1985-07-26 | 1986-07-01 | Schlumberger Technology Corporation | Full-bore sample-collecting apparatus |
US4817718A (en) * | 1987-09-08 | 1989-04-04 | Baker Oil Tools, Inc. | Hydraulically activated firing head for well perforating guns |
US5509481A (en) * | 1992-03-26 | 1996-04-23 | Schlumberger Technology Corporation | Method of perforating including an automatic release apparatus suspending by wireline or coiled tubing in a wellbore for perforating a long length interval of the wellbore in a single run using a gun string longer than a wellhead lubricator |
US5293940A (en) * | 1992-03-26 | 1994-03-15 | Schlumberger Technology Corporation | Automatic tubing release |
US5429192A (en) * | 1992-03-26 | 1995-07-04 | Schlumberger Technology Corporation | Method and apparatus for anchoring a perforating gun to a casing in a wellbore including a primary and a secondary anchor release mechanism |
US5366013A (en) * | 1992-03-26 | 1994-11-22 | Schlumberger Technology Corporation | Shock absorber for use in a wellbore including a frangible breakup element preventing shock absorption before shattering allowing shock absorption after shattering |
US5318126A (en) * | 1992-03-26 | 1994-06-07 | Schlumberger Technology Corporation | Explosively opened production valve including a frangible breakup element operated by tubing pressure or rathole pressure or both |
US5355957A (en) * | 1992-08-28 | 1994-10-18 | Halliburton Company | Combined pressure testing and selective fired perforating systems |
US5287924A (en) * | 1992-08-28 | 1994-02-22 | Halliburton Company | Tubing conveyed selective fired perforating systems |
US5509482A (en) * | 1994-09-26 | 1996-04-23 | Trico Industries, Inc. | Perforation trigger bypass assembly and method |
US5462117A (en) * | 1994-10-25 | 1995-10-31 | Baker Hughes Incorporated | Tubing conveyed perforating system with fluid loss control |
-
1996
- 1996-12-04 US US08/760,391 patent/US5979561A/en not_active Expired - Lifetime
-
1997
- 1997-11-28 GB GB9725110A patent/GB2320043B/en not_active Expired - Lifetime
- 1997-12-02 NL NL1007665A patent/NL1007665C2/nl not_active IP Right Cessation
- 1997-12-04 DK DK199701402A patent/DK140297A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2320043A (en) | 1998-06-10 |
GB2320043B (en) | 1999-06-02 |
GB9725110D0 (en) | 1998-01-28 |
NL1007665A1 (nl) | 1998-06-05 |
US5979561A (en) | 1999-11-09 |
NL1007665C2 (nl) | 1998-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |