NO2761245T3 - - Google Patents
Info
- Publication number
- NO2761245T3 NO2761245T3 NO12755798A NO12755798A NO2761245T3 NO 2761245 T3 NO2761245 T3 NO 2761245T3 NO 12755798 A NO12755798 A NO 12755798A NO 12755798 A NO12755798 A NO 12755798A NO 2761245 T3 NO2761245 T3 NO 2761245T3
- Authority
- NO
- Norway
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
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- 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
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- 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
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
- E21B34/085—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained with time-delay systems, e.g. hydraulic impedance 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/06—Methods or apparatus for cleaning boreholes or wells using chemical means for preventing or limiting, e.g. eliminating, the deposition of paraffins or like substances
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/04—Arrangements for preventing erosion, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462041389P | 2014-08-25 | 2014-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO2761245T3 true NO2761245T3 (de) | 2018-03-03 |
Family
ID=54012028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO12755798A NO2761245T3 (de) | 2014-08-25 | 2012-08-30 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9593554B2 (de) |
EP (1) | EP2990592B1 (de) |
NO (1) | NO2761245T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10605049B2 (en) * | 2016-11-21 | 2020-03-31 | Weatherford Technology Holdings, Llc | Chemical injection valve with enhanced sealing capability |
US10787889B2 (en) | 2018-07-26 | 2020-09-29 | Weatherford Technology Holdings, Llc | Gas lift valve having shear open mechanism for pressure testing |
US11365607B2 (en) * | 2020-03-30 | 2022-06-21 | Saudi Arabian Oil Company | Method and system for reviving wells |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7090020B2 (en) * | 2002-10-30 | 2006-08-15 | Schlumberger Technology Corp. | Multi-cycle dump valve |
US8251147B2 (en) * | 2005-06-08 | 2012-08-28 | Baker Hughes Incorporated | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation |
US7647989B2 (en) * | 2008-06-02 | 2010-01-19 | Vetco Gray Inc. | Backup safety flow control system for concentric drill string |
GB201010179D0 (en) * | 2010-06-17 | 2010-07-21 | Woodford Keith D | Apparatus for regulating flow |
GB2489730B (en) | 2011-04-07 | 2017-08-09 | Tco As | Injection device |
GB2505700B (en) * | 2012-09-10 | 2020-02-12 | Tco As | Injection device |
AU2014339768B2 (en) * | 2013-10-23 | 2018-09-27 | Inflatable Packers International Pty Ltd | Automatic dump valve |
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2012
- 2012-08-30 NO NO12755798A patent/NO2761245T3/no unknown
-
2015
- 2015-08-24 EP EP15182130.3A patent/EP2990592B1/de not_active Not-in-force
- 2015-08-25 US US14/834,831 patent/US9593554B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20160053579A1 (en) | 2016-02-25 |
EP2990592A1 (de) | 2016-03-02 |
EP2990592B1 (de) | 2017-07-26 |
US9593554B2 (en) | 2017-03-14 |