EP0787888A3 - Raccord de circulation - Google Patents
Raccord de circulation Download PDFInfo
- Publication number
- EP0787888A3 EP0787888A3 EP96306334A EP96306334A EP0787888A3 EP 0787888 A3 EP0787888 A3 EP 0787888A3 EP 96306334 A EP96306334 A EP 96306334A EP 96306334 A EP96306334 A EP 96306334A EP 0787888 A3 EP0787888 A3 EP 0787888A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- body member
- holes
- circulating sub
- members
- obturated
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 abstract 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
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- External Artificial Organs (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Bearings For Parts Moving Linearly (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9517841 | 1995-09-01 | ||
GBGB9517841.4A GB9517841D0 (en) | 1995-09-01 | 1995-09-01 | A circulating sub apparatus |
GBGB9613894.6A GB9613894D0 (en) | 1996-07-03 | 1996-07-03 | A circulating sub apparatus |
GB9613894 | 1996-07-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0787888A2 EP0787888A2 (fr) | 1997-08-06 |
EP0787888A3 true EP0787888A3 (fr) | 1998-05-20 |
EP0787888B1 EP0787888B1 (fr) | 2005-03-02 |
Family
ID=26307669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96306334A Expired - Lifetime EP0787888B1 (fr) | 1995-09-01 | 1996-09-02 | Raccord de circulation |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0787888B1 (fr) |
DE (1) | DE69634399T2 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9913370D0 (en) * | 1999-06-10 | 1999-08-11 | Nat Oilwell Uk Ltd | A circulating sub apparatus and method |
US6349763B1 (en) * | 1999-08-20 | 2002-02-26 | Halliburton Energy Services, Inc. | Electrical surface activated downhole circulating sub |
US6854534B2 (en) | 2002-01-22 | 2005-02-15 | James I. Livingstone | Two string drilling system using coil tubing |
US6834726B2 (en) * | 2002-05-29 | 2004-12-28 | Weatherford/Lamb, Inc. | Method and apparatus to reduce downhole surge pressure using hydrostatic valve |
GB0312180D0 (en) * | 2003-05-28 | 2003-07-02 | Specialised Petroleum Serv Ltd | Drilling sub |
BRPI0819298B1 (pt) | 2007-11-20 | 2019-03-12 | National Oilwell Varco, L.P. | Ferramenta de furo abaixo, sistema e método para circular fluido dentro de um furo de poço |
WO2017220098A1 (fr) | 2016-06-22 | 2017-12-28 | Advancetech Aps | Outil de fond de trou avec embout directionnel et son train de tiges de forage |
MX2022012357A (es) | 2020-04-03 | 2022-10-21 | Odfjell Partners Invest Ltd | Herramienta bloqueada hidraulicamente. |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2054008A (en) * | 1979-06-13 | 1981-02-11 | Commissariat Energie Atomique | Turbo-coring device equipped with a following pipe |
US4298077A (en) * | 1979-06-11 | 1981-11-03 | Smith International, Inc. | Circulation valve for in-hole motors |
US5443129A (en) * | 1994-07-22 | 1995-08-22 | Smith International, Inc. | Apparatus and method for orienting and setting a hydraulically-actuatable tool in a borehole |
WO1996030621A1 (fr) * | 1995-03-24 | 1996-10-03 | Uwg Limited | Outil de regulation de debit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4632187A (en) * | 1984-05-24 | 1986-12-30 | Otis Engineering Corporation | Well safety and kill valve |
-
1996
- 1996-09-02 DE DE1996634399 patent/DE69634399T2/de not_active Expired - Lifetime
- 1996-09-02 EP EP96306334A patent/EP0787888B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298077A (en) * | 1979-06-11 | 1981-11-03 | Smith International, Inc. | Circulation valve for in-hole motors |
GB2054008A (en) * | 1979-06-13 | 1981-02-11 | Commissariat Energie Atomique | Turbo-coring device equipped with a following pipe |
US5443129A (en) * | 1994-07-22 | 1995-08-22 | Smith International, Inc. | Apparatus and method for orienting and setting a hydraulically-actuatable tool in a borehole |
WO1996030621A1 (fr) * | 1995-03-24 | 1996-10-03 | Uwg Limited | Outil de regulation de debit |
Also Published As
Publication number | Publication date |
---|---|
EP0787888A2 (fr) | 1997-08-06 |
DE69634399D1 (de) | 2005-04-07 |
DE69634399T2 (de) | 2005-12-29 |
EP0787888B1 (fr) | 2005-03-02 |
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