EP0846837A3 - Unterirdische Vorrichtung zum Fräsen einer Bohrlochverrohrung - Google Patents
Unterirdische Vorrichtung zum Fräsen einer Bohrlochverrohrung Download PDFInfo
- Publication number
- EP0846837A3 EP0846837A3 EP97309894A EP97309894A EP0846837A3 EP 0846837 A3 EP0846837 A3 EP 0846837A3 EP 97309894 A EP97309894 A EP 97309894A EP 97309894 A EP97309894 A EP 97309894A EP 0846837 A3 EP0846837 A3 EP 0846837A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- tubular
- end portion
- radially
- coaxially
- slips
- 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
- 238000003801 milling Methods 0.000 title abstract 3
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
- E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
- E21B23/0411—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
-
- 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
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- 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
- E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
-
- 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
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
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)
- Earth Drilling (AREA)
- Supports For Pipes And Cables (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US759508 | 1996-12-05 | ||
US08/759,508 US5832997A (en) | 1996-12-05 | 1996-12-05 | Retrievable milling guide anchor apparatus and associated methods |
US779146 | 1997-01-03 | ||
US08/779,146 US5829518A (en) | 1996-12-05 | 1997-01-03 | Mill guide and anchor assembly for subterranean well casings |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0846837A2 EP0846837A2 (de) | 1998-06-10 |
EP0846837A3 true EP0846837A3 (de) | 2001-10-17 |
EP0846837B1 EP0846837B1 (de) | 2003-11-12 |
Family
ID=27116689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97309894A Expired - Lifetime EP0846837B1 (de) | 1996-12-05 | 1997-12-05 | Unterirdische Vorrichtung zum Fräsen einer Bohrlochverrohrung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0846837B1 (de) |
AU (1) | AU4689197A (de) |
BR (1) | BR9707749A (de) |
CA (1) | CA2223517C (de) |
DE (1) | DE69726098T2 (de) |
DK (1) | DK0846837T3 (de) |
NO (1) | NO314153B1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835648B (zh) * | 2013-11-06 | 2016-06-15 | 北京中煤矿山工程有限公司 | 一种通过地面注浆改善岩层性能反井钻井工艺 |
US11333004B2 (en) | 2020-06-03 | 2022-05-17 | Weatherford Technology Holdings, Llc | Piston initiator for sidetrack assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1970761A (en) * | 1932-10-03 | 1934-08-21 | John Eastman | Whipstock |
US2586878A (en) * | 1947-05-08 | 1952-02-26 | Eastman Oil Well Survey Co | Drilling apparatus |
US4436150A (en) * | 1981-09-28 | 1984-03-13 | Otis Engineering Corporation | Bridge plug |
GB2272718A (en) * | 1992-11-19 | 1994-05-25 | Masx Energy Services Group Inc | Retrievable whipstock |
WO1995023274A1 (en) * | 1994-02-23 | 1995-08-31 | Tiw Corporation | Retrievable whipstock arrangement and method |
US5501281A (en) * | 1994-08-26 | 1996-03-26 | Halliburton Company | Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods |
GB2299115A (en) * | 1992-10-19 | 1996-09-25 | Baker Hughes Inc | Retrievable whipstock system |
-
1997
- 1997-12-04 CA CA002223517A patent/CA2223517C/en not_active Expired - Fee Related
- 1997-12-04 AU AU46891/97A patent/AU4689197A/en not_active Abandoned
- 1997-12-04 NO NO19975626A patent/NO314153B1/no unknown
- 1997-12-05 DK DK97309894T patent/DK0846837T3/da active
- 1997-12-05 BR BR9707749A patent/BR9707749A/pt not_active IP Right Cessation
- 1997-12-05 EP EP97309894A patent/EP0846837B1/de not_active Expired - Lifetime
- 1997-12-05 DE DE69726098T patent/DE69726098T2/de not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1970761A (en) * | 1932-10-03 | 1934-08-21 | John Eastman | Whipstock |
US2586878A (en) * | 1947-05-08 | 1952-02-26 | Eastman Oil Well Survey Co | Drilling apparatus |
US4436150A (en) * | 1981-09-28 | 1984-03-13 | Otis Engineering Corporation | Bridge plug |
GB2299115A (en) * | 1992-10-19 | 1996-09-25 | Baker Hughes Inc | Retrievable whipstock system |
GB2272718A (en) * | 1992-11-19 | 1994-05-25 | Masx Energy Services Group Inc | Retrievable whipstock |
WO1995023274A1 (en) * | 1994-02-23 | 1995-08-31 | Tiw Corporation | Retrievable whipstock arrangement and method |
US5501281A (en) * | 1994-08-26 | 1996-03-26 | Halliburton Company | Torque-resistant, seal setting force-limited, hydraulically settable well packer structure and associated methods |
Also Published As
Publication number | Publication date |
---|---|
DE69726098T2 (de) | 2004-08-26 |
CA2223517C (en) | 2004-02-24 |
NO975626D0 (no) | 1997-12-04 |
DK0846837T3 (da) | 2004-03-22 |
NO975626L (no) | 1998-06-08 |
CA2223517A1 (en) | 1998-06-05 |
AU4689197A (en) | 1998-06-11 |
EP0846837A2 (de) | 1998-06-10 |
BR9707749A (pt) | 1999-06-01 |
DE69726098D1 (de) | 2003-12-18 |
NO314153B1 (no) | 2003-02-03 |
EP0846837B1 (de) | 2003-11-12 |
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