DE69504070D1 - Gelenkiges bohrwerkzeug - Google Patents
Gelenkiges bohrwerkzeugInfo
- Publication number
- DE69504070D1 DE69504070D1 DE69504070T DE69504070T DE69504070D1 DE 69504070 D1 DE69504070 D1 DE 69504070D1 DE 69504070 T DE69504070 T DE 69504070T DE 69504070 T DE69504070 T DE 69504070T DE 69504070 D1 DE69504070 D1 DE 69504070D1
- Authority
- DE
- Germany
- Prior art keywords
- drilling tool
- flexible drilling
- flexible
- tool
- drilling
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/05—Swivel joints
-
- 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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
- E21B17/1064—Pipes or rods with a relatively rotating sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Dowels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9407551A FR2721346B1 (fr) | 1994-06-15 | 1994-06-15 | Outil articulé pour le forage de puits pétroliers, gaziers ou géothermiques. |
PCT/FR1995/000779 WO1995034741A1 (fr) | 1994-06-15 | 1995-06-14 | Outil articule de forage |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69504070D1 true DE69504070D1 (de) | 1998-09-17 |
DE69504070T2 DE69504070T2 (de) | 1999-05-27 |
Family
ID=9464425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69504070T Expired - Fee Related DE69504070T2 (de) | 1994-06-15 | 1995-06-14 | Gelenkiges bohrwerkzeug |
Country Status (8)
Country | Link |
---|---|
US (1) | US5836407A (de) |
EP (1) | EP0765427B1 (de) |
CA (1) | CA2190658C (de) |
DE (1) | DE69504070T2 (de) |
FR (1) | FR2721346B1 (de) |
NO (1) | NO965359L (de) |
RU (1) | RU2133814C1 (de) |
WO (1) | WO1995034741A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9402216D0 (en) * | 1994-02-04 | 1994-03-30 | Bp Exploration Operating | Drilling bit assembly and apparatus |
FR2813340B1 (fr) * | 2000-08-29 | 2002-12-06 | Geoservices | Dispositif pour deplacer radialement deux organes l'un par rapport a l'autre et dispositif de forage en comportant application |
EP1525370B1 (de) * | 2002-07-26 | 2006-09-13 | Wirth Maschinen- und Bohrgeräte-Fabrik GmbH | Vorrichtung zum vortreiben von bohrungen im erdreich |
WO2012048458A1 (zh) * | 2010-10-12 | 2012-04-19 | 石家庄中煤装备制造股份有限公司 | 组合钻具 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR77179E (fr) * | 1960-02-17 | 1962-01-27 | Soletanche | Procédé de forage utilisant la méthode dite <à circulation inverse> et dispositifs pour la mise en oeuvre de ce procédé |
GB2190411B (en) * | 1986-05-16 | 1990-02-21 | Shell Int Research | Apparatus for directional drilling. |
US5503236A (en) * | 1993-09-03 | 1996-04-02 | Baker Hughes Incorporated | Swivel/tilting bit crown for earth-boring drills |
US5472057A (en) * | 1994-04-11 | 1995-12-05 | Atlantic Richfield Company | Drilling with casing and retrievable bit-motor assembly |
-
1994
- 1994-06-15 FR FR9407551A patent/FR2721346B1/fr not_active Expired - Fee Related
-
1995
- 1995-06-14 CA CA002190658A patent/CA2190658C/fr not_active Expired - Fee Related
- 1995-06-14 WO PCT/FR1995/000779 patent/WO1995034741A1/fr active IP Right Grant
- 1995-06-14 RU RU97100732/03A patent/RU2133814C1/ru not_active IP Right Cessation
- 1995-06-14 DE DE69504070T patent/DE69504070T2/de not_active Expired - Fee Related
- 1995-06-14 US US08/750,467 patent/US5836407A/en not_active Expired - Fee Related
- 1995-06-14 EP EP95923382A patent/EP0765427B1/de not_active Expired - Lifetime
-
1996
- 1996-12-13 NO NO965359A patent/NO965359L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2190658A1 (fr) | 1995-12-21 |
EP0765427A1 (de) | 1997-04-02 |
CA2190658C (fr) | 1999-09-28 |
DE69504070T2 (de) | 1999-05-27 |
NO965359D0 (no) | 1996-12-13 |
US5836407A (en) | 1998-11-17 |
WO1995034741A1 (fr) | 1995-12-21 |
NO965359L (no) | 1997-02-13 |
FR2721346A1 (fr) | 1995-12-22 |
EP0765427B1 (de) | 1998-08-12 |
FR2721346B1 (fr) | 1996-08-30 |
RU2133814C1 (ru) | 1999-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |