NO20040459L - Syklis tilbakeslasventil for kveilror. - Google Patents
Syklis tilbakeslasventil for kveilror.Info
- Publication number
- NO20040459L NO20040459L NO20040459A NO20040459A NO20040459L NO 20040459 L NO20040459 L NO 20040459L NO 20040459 A NO20040459 A NO 20040459A NO 20040459 A NO20040459 A NO 20040459A NO 20040459 L NO20040459 L NO 20040459L
- Authority
- NO
- Norway
- Prior art keywords
- quill
- cyclical
- vent valve
- vent
- valve
- Prior art date
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/20—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables
- E21B17/203—Flexible or articulated drilling pipes, e.g. flexible or articulated rods, pipes or cables with plural fluid passages
-
- 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
-
- 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
-
- 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
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/05—Flapper valves
-
- 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
- E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Check Valves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/356,836 US6834722B2 (en) | 2002-05-01 | 2003-02-03 | Cyclic check valve for coiled tubing |
Publications (2)
Publication Number | Publication Date |
---|---|
NO20040459L true NO20040459L (no) | 2004-08-04 |
NO328816B1 NO328816B1 (no) | 2010-05-18 |
Family
ID=31978159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20040459A NO328816B1 (no) | 2003-02-03 | 2004-02-02 | Syklisk tilbakeslagsventil for kveilror. |
Country Status (3)
Country | Link |
---|---|
US (1) | US6834722B2 (no) |
GB (1) | GB2397834B (no) |
NO (1) | NO328816B1 (no) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2396168B (en) * | 2002-12-02 | 2006-01-25 | Smith International | Downhole deflector member and method of using same |
US20050274527A1 (en) * | 2004-04-05 | 2005-12-15 | Misselbrook John G | Apparatus and method for dewatering low pressure gradient gas wells |
US7234529B2 (en) * | 2004-04-07 | 2007-06-26 | Halliburton Energy Services, Inc. | Flow switchable check valve and method |
US7617873B2 (en) * | 2004-05-28 | 2009-11-17 | Schlumberger Technology Corporation | System and methods using fiber optics in coiled tubing |
US7708060B2 (en) * | 2005-02-11 | 2010-05-04 | Baker Hughes Incorporated | One trip cemented expandable monobore liner system and method |
US20060243453A1 (en) * | 2005-04-27 | 2006-11-02 | Mckee L M | Tubing connector |
AR055812A1 (es) * | 2005-06-07 | 2007-09-12 | Ypf Sa | Disposicion y metodo de bombeo alternativo con varillas huecas sin caneria de produccion |
US7614452B2 (en) * | 2005-06-13 | 2009-11-10 | Schlumberger Technology Corporation | Flow reversing apparatus and methods of use |
US7874366B2 (en) * | 2006-09-15 | 2011-01-25 | Schlumberger Technology Corporation | Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
US7854257B2 (en) * | 2007-02-15 | 2010-12-21 | Baker Hughes Incorporated | Mechanically coupled screen and method |
US7841412B2 (en) * | 2007-02-21 | 2010-11-30 | Baker Hughes Incorporated | Multi-purpose pressure operated downhole valve |
US8316936B2 (en) * | 2007-04-02 | 2012-11-27 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US20110187556A1 (en) * | 2007-04-02 | 2011-08-04 | Halliburton Energy Services, Inc. | Use of Micro-Electro-Mechanical Systems (MEMS) in Well Treatments |
US10358914B2 (en) | 2007-04-02 | 2019-07-23 | Halliburton Energy Services, Inc. | Methods and systems for detecting RFID tags in a borehole environment |
US9879519B2 (en) | 2007-04-02 | 2018-01-30 | Halliburton Energy Services, Inc. | Methods and apparatus for evaluating downhole conditions through fluid sensing |
US7712527B2 (en) * | 2007-04-02 | 2010-05-11 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9732584B2 (en) * | 2007-04-02 | 2017-08-15 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8302686B2 (en) * | 2007-04-02 | 2012-11-06 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8297353B2 (en) * | 2007-04-02 | 2012-10-30 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9194207B2 (en) | 2007-04-02 | 2015-11-24 | Halliburton Energy Services, Inc. | Surface wellbore operating equipment utilizing MEMS sensors |
US8297352B2 (en) * | 2007-04-02 | 2012-10-30 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US9822631B2 (en) | 2007-04-02 | 2017-11-21 | Halliburton Energy Services, Inc. | Monitoring downhole parameters using MEMS |
US8162050B2 (en) * | 2007-04-02 | 2012-04-24 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
US8342242B2 (en) * | 2007-04-02 | 2013-01-01 | Halliburton Energy Services, Inc. | Use of micro-electro-mechanical systems MEMS in well treatments |
US9494032B2 (en) | 2007-04-02 | 2016-11-15 | Halliburton Energy Services, Inc. | Methods and apparatus for evaluating downhole conditions with RFID MEMS sensors |
US9200500B2 (en) | 2007-04-02 | 2015-12-01 | Halliburton Energy Services, Inc. | Use of sensors coated with elastomer for subterranean operations |
US8291975B2 (en) * | 2007-04-02 | 2012-10-23 | Halliburton Energy Services Inc. | Use of micro-electro-mechanical systems (MEMS) in well treatments |
TWI389156B (zh) * | 2008-03-28 | 2013-03-11 | Delta Electronics Inc | 電磁閥 |
US7926572B2 (en) * | 2008-04-04 | 2011-04-19 | Schlumberger Technology Corporation | Ballistically compatible backpressure valve |
US8607811B2 (en) * | 2010-07-07 | 2013-12-17 | Baker Hughes Incorporated | Injection valve with indexing mechanism |
US8540019B2 (en) * | 2010-10-21 | 2013-09-24 | Summit Downhole Dynamics, Ltd | Fracturing system and method |
US20140069654A1 (en) * | 2010-10-21 | 2014-03-13 | Peak Completion Technologies, Inc. | Downhole Tool Incorporating Flapper Assembly |
US9540904B2 (en) * | 2011-12-23 | 2017-01-10 | Conrad Petrowsky | Combination burst-disc subassembly for horizontal and vertical well completions |
US9689242B2 (en) | 2012-10-31 | 2017-06-27 | Epic Lift Systems Llc | Dart plunger |
US9068443B2 (en) | 2012-10-31 | 2015-06-30 | Epic Lift Systems Llc | Plunger lift apparatus |
GB2509077B (en) * | 2012-12-19 | 2019-08-28 | Forum Energy Tech Uk Limited | Self-regulating surplussing check valve |
US10316979B2 (en) | 2014-09-10 | 2019-06-11 | Armor Tools International Inc. | Ceramic rupture dome for pressure control |
US10480288B2 (en) | 2014-10-15 | 2019-11-19 | Baker Hughes, A Ge Company, Llc | Articles containing carbon composites and methods of manufacture |
US9962903B2 (en) | 2014-11-13 | 2018-05-08 | Baker Hughes, A Ge Company, Llc | Reinforced composites, methods of manufacture, and articles therefrom |
US9745451B2 (en) | 2014-11-17 | 2017-08-29 | Baker Hughes Incorporated | Swellable compositions, articles formed therefrom, and methods of manufacture thereof |
US9726300B2 (en) | 2014-11-25 | 2017-08-08 | Baker Hughes Incorporated | Self-lubricating flexible carbon composite seal |
US10300627B2 (en) * | 2014-11-25 | 2019-05-28 | Baker Hughes, A Ge Company, Llc | Method of forming a flexible carbon composite self-lubricating seal |
US9840887B2 (en) | 2015-05-13 | 2017-12-12 | Baker Hughes Incorporated | Wear-resistant and self-lubricant bore receptacle packoff tool |
US10125274B2 (en) | 2016-05-03 | 2018-11-13 | Baker Hughes, A Ge Company, Llc | Coatings containing carbon composite fillers and methods of manufacture |
US10344559B2 (en) | 2016-05-26 | 2019-07-09 | Baker Hughes, A Ge Company, Llc | High temperature high pressure seal for downhole chemical injection applications |
CA3053711C (en) | 2018-08-30 | 2024-01-02 | Avalon Research Ltd. | Plug for a coiled tubing string |
CN108915660B (zh) * | 2018-09-03 | 2023-11-14 | 中国石油天然气集团有限公司 | 一种具有内防喷功能的连续油管的压裂方法 |
US11862949B2 (en) * | 2022-05-18 | 2024-01-02 | John Harrell | Explosion-proof conduit fitting, method of use, and method of manufacture |
Family Cites Families (78)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA852553A (en) | 1970-09-29 | Texaco Development Corporation | Tubing leak detector for wells, and method of operating same | |
US2041911A (en) | 1935-05-25 | 1936-05-26 | Universal Insulation Company | Heat insulation |
US2832374A (en) | 1955-03-10 | 1958-04-29 | Breeze Corp | Flexible tube assemblies |
US3083158A (en) | 1959-08-20 | 1963-03-26 | Petrolite Corp | Anti-sludging agents |
US3076760A (en) | 1959-08-20 | 1963-02-05 | Petrolite Corp | Composition for preventing acid sludge in oil well acidizing processes |
US3361202A (en) | 1965-08-05 | 1968-01-02 | Phillips Petroleum Co | Process and apparatus for producing crude oil from separate strata |
US3397745A (en) | 1966-03-08 | 1968-08-20 | Carl Owens | Vacuum-insulated steam-injection system for oil wells |
US3574357A (en) | 1969-02-27 | 1971-04-13 | Grupul Ind Pentru Foray Si Ext | Thermal insulating tubing |
US3643702A (en) | 1969-10-16 | 1972-02-22 | Kabel Metallwerke Ghh | Flexible pipe system |
DE2019081A1 (de) | 1970-04-21 | 1971-11-11 | Kabel Metallwerke Ghh | Thermisch isoliertes Leitungsrohr |
US3681240A (en) | 1970-12-10 | 1972-08-01 | Amoco Prod Co | Retarded acid emulsion |
DE2115271A1 (de) | 1971-03-30 | 1972-10-26 | Wieland-Werke Ag, 7900 Ulm | Wärmeübertragungsrohr mit Leckanzeige |
US3860037A (en) | 1973-06-26 | 1975-01-14 | Diamond Shamrock Corp | Tube plugging device |
US4073344A (en) | 1974-12-16 | 1978-02-14 | Halliburton Company | Methods for treating subterranean formations |
GB1563264A (en) | 1975-11-21 | 1980-03-26 | Wavin Bv | Pipes |
US4019575A (en) | 1975-12-22 | 1977-04-26 | Chevron Research Company | System for recovering viscous petroleum from thick tar sand |
US4009753A (en) * | 1976-03-22 | 1977-03-01 | Schlumberger Technology Corporation | Subsea master valve apparatus |
US4031751A (en) | 1976-09-22 | 1977-06-28 | Haddad And Brooks, Inc. | Closed system for testing the condition of well bore formations |
US4167111A (en) | 1978-05-04 | 1979-09-11 | The United States Of America Is Represented By The Administrator Of The National Aeronautics & Space Administration | Borehole geological assessment |
US4248298A (en) | 1979-02-21 | 1981-02-03 | Measurement Analysis Corporation | Well logging evaporative thermal protection system |
US4252015A (en) | 1979-06-20 | 1981-02-24 | Phillips Petroleum Company | Wellbore pressure testing method and apparatus |
US4487660A (en) | 1980-10-31 | 1984-12-11 | Electric Power Research Institute | Multiple wall structure for flexible cable using tubular and spiral corrugations |
CA1161697A (en) | 1980-11-06 | 1984-02-07 | Kibbie P. Pillette | Leaky pipe-fitting sensor and control system |
FR2494848A1 (fr) | 1980-11-24 | 1982-05-28 | Technigaz | Procede et dispositif de detection, a distance, de defauts d'etancheite d'une conduite de transport d'un fluide, immergee dans un fluide ambiant; conduite de transport comprenant ce dispositif de detection et procede de construction d'une telle conduite |
US4624485A (en) | 1981-06-10 | 1986-11-25 | Baker Oil Tools, Inc. | Insulating tubular conduit apparatus |
US4442014A (en) | 1982-02-01 | 1984-04-10 | Exxon Research & Engineering Co. | Use of esters of sulfonic acids as anti-sludge agents during the acidizing of formations containing sludging crude oils |
US4458762A (en) | 1982-04-21 | 1984-07-10 | Halliburton Company | Recloseable auxiliary valve |
US4579373A (en) | 1982-07-06 | 1986-04-01 | Neal William J | Insulated concentric tubing joint assembly |
US4470188A (en) | 1982-08-31 | 1984-09-11 | The Babcock & Wilcox Company | Method of mechanically prestressing a tubular apparatus |
US4452306A (en) | 1982-09-27 | 1984-06-05 | Polley Jack L | Apparatus for detecting ruptures in drill pipe above and below the drill collar |
NL8302251A (nl) | 1983-06-24 | 1985-01-16 | Zappey B V | Injectiebuis voor het in de grond injecteren van stoom. |
FR2563608B1 (fr) | 1984-04-25 | 1986-11-07 | Coflexip | Conduite calorifugee pour le transport de fluides |
US4565351A (en) | 1984-06-28 | 1986-01-21 | Arnco Corporation | Method for installing cable using an inner duct |
US4635725A (en) | 1984-12-10 | 1987-01-13 | Burroughs Thomas C | Method and apparatus for gravel packing a well |
US4629218A (en) | 1985-01-29 | 1986-12-16 | Quality Tubing, Incorporated | Oilfield coil tubing |
US4607665A (en) | 1985-05-20 | 1986-08-26 | Marco Manufacturing, Inc. | Pipe spacer |
US4663059A (en) | 1986-02-17 | 1987-05-05 | Halliburton Company | Composition and method for reducing sludging during the acidizing of formations containing sludging crude oils |
CA1249772A (en) | 1986-03-07 | 1989-02-07 | David Sask | Drill stem testing system |
US4698168A (en) | 1986-08-29 | 1987-10-06 | Hughes Tool Company | Corrosion inhibitor for well acidizing treatments |
US4860831A (en) | 1986-09-17 | 1989-08-29 | Caillier Michael J | Well apparatuses and methods |
US4856590A (en) | 1986-11-28 | 1989-08-15 | Mike Caillier | Process for washing through filter media in a production zone with a pre-packed screen and coil tubing |
EP0274139A1 (en) | 1986-12-31 | 1988-07-13 | Pumptech N.V. | Process for selectively treating a subterranean formation using coiled tubing without affecting or being affected by the two adjacent zones |
US4744420A (en) | 1987-07-22 | 1988-05-17 | Atlantic Richfield Company | Wellbore cleanout apparatus and method |
CA1325969C (en) | 1987-10-28 | 1994-01-11 | Tad A. Sudol | Conduit or well cleaning and pumping device and method of use thereof |
US4823874A (en) | 1988-07-22 | 1989-04-25 | Halliburton Company | Reducing sludging during oil well acidizing |
FR2641320B1 (fr) * | 1988-12-30 | 1991-05-03 | Inst Francais Du Petrole | Dispositif d'actionnement a distance d'equipement comportant un systeme duse-aiguille |
US4940098A (en) | 1989-05-26 | 1990-07-10 | Moss Daniel H | Reverse circulation drill rod |
GB8918218D0 (en) | 1989-08-09 | 1989-09-20 | Boc Group Plc | Thermal insulation |
FR2651451B1 (fr) | 1989-09-07 | 1991-10-31 | Inst Francais Du Petrole | Appareil et installation pour le nettoyage de drains, notamment dans un puits de production petroliere. |
BE1003560A3 (nl) | 1989-10-06 | 1992-04-21 | Smet Marc Jozef Maria | Hogedrukleiding en inrichting voor het maken van een gat in de grond, voorzien van dergelijke hogedrukleiding. |
US4979563A (en) | 1989-10-25 | 1990-12-25 | Schlumberger Technology Corporation | Offset shock mounted recorder carrier including overpressure gauge protector and balance joint |
US5034140A (en) | 1989-11-27 | 1991-07-23 | Halliburton Company | Well acidizing compositions and method |
FR2658559B1 (fr) | 1990-02-22 | 1992-06-12 | Pierre Ungemach | Dispositif d'injection dans un puits d'agents inhibiteurs de corrosion ou de depot a l'aide d'un tube auxiliaire d'injection. |
GB9007147D0 (en) | 1990-03-30 | 1990-05-30 | Framo Dev Ltd | Thermal mineral extraction system |
US5419188A (en) | 1991-05-20 | 1995-05-30 | Otis Engineering Corporation | Reeled tubing support for downhole equipment module |
FR2683590B1 (fr) | 1991-11-13 | 1993-12-31 | Institut Francais Petrole | Dispositif de mesure et d'intervention dans un forage, procede d'assemblage et utilisation dans un puits petrolier. |
US5287741A (en) | 1992-08-31 | 1994-02-22 | Halliburton Company | Methods of perforating and testing wells using coiled tubing |
US5343191A (en) | 1993-01-08 | 1994-08-30 | Nibco, Inc. | Pipeline leak detection system |
DE4314995C1 (de) | 1993-05-06 | 1994-10-06 | Deutsche Aerospace | Vorrichtung zur Innenleckprüfung von Rohren |
US5388650B1 (en) | 1993-06-14 | 1997-09-16 | Mg Nitrogen Services Inc | Non-cryogenic production of nitrogen for on-site injection in downhole drilling |
US5351533A (en) | 1993-06-29 | 1994-10-04 | Halliburton Company | Coiled tubing system used for the evaluation of stimulation candidate wells |
US5435395A (en) | 1994-03-22 | 1995-07-25 | Halliburton Company | Method for running downhole tools and devices with coiled tubing |
US5429194A (en) | 1994-04-29 | 1995-07-04 | Western Atlas International, Inc. | Method for inserting a wireline inside coiled tubing |
US5411105A (en) | 1994-06-14 | 1995-05-02 | Kidco Resources Ltd. | Drilling a well gas supply in the drilling liquid |
US5564502A (en) * | 1994-07-12 | 1996-10-15 | Halliburton Company | Well completion system with flapper control valve |
US5503014A (en) | 1994-07-28 | 1996-04-02 | Schlumberger Technology Corporation | Method and apparatus for testing wells using dual coiled tubing |
GB9500954D0 (en) | 1995-01-18 | 1995-03-08 | Head Philip | A method of accessing a sub sea oil well and apparatus therefor |
GB9502154D0 (en) * | 1995-02-03 | 1995-03-22 | Petroleum Eng Services | Subsurface valve |
US5845711A (en) | 1995-06-02 | 1998-12-08 | Halliburton Company | Coiled tubing apparatus |
AU3721295A (en) | 1995-06-20 | 1997-01-22 | Elan Energy | Insulated and/or concentric coiled tubing |
CA2167491C (en) | 1995-07-25 | 2005-02-22 | John G. Misselbrook | Safeguarded method and apparatus for fluid communication using coiled tubing, with application to drill stem testing |
EP0877853A2 (en) * | 1996-02-03 | 1998-11-18 | Ocre (Scotland) Limited | Downhole valve |
AU2198397A (en) | 1996-03-19 | 1997-10-10 | Bj Service International, Inc. | Method and apparatus using coiled-in-coiled tubing |
US5992468A (en) | 1997-07-22 | 1999-11-30 | Camco International Inc. | Cable anchors |
US6250393B1 (en) | 1998-10-19 | 2001-06-26 | Baker Hughes Incorporated | Bottom hole assembly with coiled tubing insert |
US6644411B2 (en) * | 2001-04-18 | 2003-11-11 | Kvaerner Oilfield Products, Inc. | Tubing hanger with flapper valve |
US6666271B2 (en) * | 2001-11-01 | 2003-12-23 | Weatherford/Lamb, Inc. | Curved flapper and seat for a subsurface saftey valve |
US6889771B1 (en) | 2002-07-29 | 2005-05-10 | Schlumberger Technology Corporation | Selective direct and reverse circulation check valve mechanism for coiled tubing |
-
2003
- 2003-02-03 US US10/356,836 patent/US6834722B2/en not_active Expired - Lifetime
-
2004
- 2004-01-27 GB GB0401721A patent/GB2397834B/en not_active Expired - Lifetime
- 2004-02-02 NO NO20040459A patent/NO328816B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040026085A1 (en) | 2004-02-12 |
US6834722B2 (en) | 2004-12-28 |
GB0401721D0 (en) | 2004-02-25 |
GB2397834A (en) | 2004-08-04 |
GB2397834B (en) | 2006-04-05 |
NO328816B1 (no) | 2010-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |