DE69424053T2 - Verankerungsvorrichtung zur verwendung in einem bohrlochverrourung - Google Patents
Verankerungsvorrichtung zur verwendung in einem bohrlochverrourungInfo
- Publication number
- DE69424053T2 DE69424053T2 DE69424053T DE69424053T DE69424053T2 DE 69424053 T2 DE69424053 T2 DE 69424053T2 DE 69424053 T DE69424053 T DE 69424053T DE 69424053 T DE69424053 T DE 69424053T DE 69424053 T2 DE69424053 T2 DE 69424053T2
- Authority
- DE
- Germany
- Prior art keywords
- hole
- piping
- anchoring device
- anchoring
- hole piping
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B12/00—Accessories for drilling tools
- E21B12/04—Drill bit protectors
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells for anchoring the tools or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
- E21B23/02—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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)
- Piles And Underground Anchors (AREA)
- Road Signs Or Road Markings (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/119,813 US5452759A (en) | 1993-09-10 | 1993-09-10 | Whipstock system |
US08/225,384 US5409060A (en) | 1993-09-10 | 1994-04-04 | Wellbore tool orientation |
US08/300,917 US5425417A (en) | 1993-09-10 | 1994-09-06 | Wellbore tool setting system |
PCT/GB1994/001979 WO1995007404A2 (en) | 1993-09-10 | 1994-09-12 | Apparatus for use in a wellbore |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69424053D1 DE69424053D1 (de) | 2000-05-25 |
DE69424053T2 true DE69424053T2 (de) | 2000-11-16 |
Family
ID=27382371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69424053T Expired - Fee Related DE69424053T2 (de) | 1993-09-10 | 1994-09-12 | Verankerungsvorrichtung zur verwendung in einem bohrlochverrourung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5425417A (de) |
EP (1) | EP0717808B1 (de) |
AU (1) | AU678529B2 (de) |
CA (1) | CA2164442C (de) |
DE (1) | DE69424053T2 (de) |
NO (1) | NO315988B1 (de) |
WO (1) | WO1995007404A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214345A1 (de) * | 2002-03-28 | 2003-10-23 | Harald Gollwitzer Gmbh | Verfahren sowie Vorrichtung zur Bestimmung des Verlaufs eines Bohrlochs |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6024168A (en) * | 1996-01-24 | 2000-02-15 | Weatherford/Lamb, Inc. | Wellborne mills & methods |
US5522461A (en) * | 1995-03-31 | 1996-06-04 | Weatherford U.S., Inc. | Mill valve |
US5806595A (en) * | 1993-09-10 | 1998-09-15 | Weatherford/Lamb, Inc. | Wellbore milling system and method |
US6070665A (en) * | 1996-05-02 | 2000-06-06 | Weatherford/Lamb, Inc. | Wellbore milling |
US5787978A (en) * | 1995-03-31 | 1998-08-04 | Weatherford/Lamb, Inc. | Multi-face whipstock with sacrificial face element |
US5720349A (en) * | 1995-10-12 | 1998-02-24 | Weatherford U.S., Inc. | Starting mill and operations |
US5887655A (en) * | 1993-09-10 | 1999-03-30 | Weatherford/Lamb, Inc | Wellbore milling and drilling |
US5887668A (en) * | 1993-09-10 | 1999-03-30 | Weatherford/Lamb, Inc. | Wellbore milling-- drilling |
US5531271A (en) * | 1993-09-10 | 1996-07-02 | Weatherford Us, Inc. | Whipstock side support |
US6202752B1 (en) | 1993-09-10 | 2001-03-20 | Weatherford/Lamb, Inc. | Wellbore milling methods |
USRE36526E (en) * | 1994-04-06 | 2000-01-25 | Tiw Corporation | Retrievable through tubing tool and method |
US5595247A (en) * | 1994-04-06 | 1997-01-21 | Tiw Corporation | Retrievable through tubing tool and method |
GB2305198B (en) * | 1994-09-23 | 1997-11-19 | Red Baron | Apparatus for milling a well casing |
GB9422837D0 (en) * | 1994-09-23 | 1995-01-04 | Red Baron Oil Tools Rental | Apparatus for milling a well casing |
US5803176A (en) | 1996-01-24 | 1998-09-08 | Weatherford/Lamb, Inc. | Sidetracking operations |
US6056056A (en) * | 1995-03-31 | 2000-05-02 | Durst; Douglas G. | Whipstock mill |
US5908071A (en) * | 1995-09-22 | 1999-06-01 | Weatherford/Lamb, Inc. | Wellbore mills and inserts |
US6170576B1 (en) | 1995-09-22 | 2001-01-09 | Weatherford/Lamb, Inc. | Mills for wellbore operations |
US5626189A (en) * | 1995-09-22 | 1997-05-06 | Weatherford U.S., Inc. | Wellbore milling tools and inserts |
US5984005A (en) * | 1995-09-22 | 1999-11-16 | Weatherford/Lamb, Inc. | Wellbore milling inserts and mills |
US5740864A (en) * | 1996-01-29 | 1998-04-21 | Baker Hughes Incorporated | One-trip packer setting and whipstock-orienting method and apparatus |
US5947201A (en) * | 1996-02-06 | 1999-09-07 | Baker Hughes Incorporated | One-trip window-milling method |
US6547006B1 (en) * | 1996-05-02 | 2003-04-15 | Weatherford/Lamb, Inc. | Wellbore liner system |
US6155349A (en) * | 1996-05-02 | 2000-12-05 | Weatherford/Lamb, Inc. | Flexible wellbore mill |
US5730221A (en) | 1996-07-15 | 1998-03-24 | Halliburton Energy Services, Inc | Methods of completing a subterranean well |
US5813465A (en) | 1996-07-15 | 1998-09-29 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
AU719919B2 (en) | 1996-07-15 | 2000-05-18 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
US5833003A (en) | 1996-07-15 | 1998-11-10 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
CA2209958A1 (en) | 1996-07-15 | 1998-01-15 | James M. Barker | Apparatus for completing a subterranean well and associated methods of using same |
AU714721B2 (en) | 1996-07-15 | 2000-01-06 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
CA2210563C (en) | 1996-07-15 | 2004-03-02 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
CA2210561C (en) | 1996-07-15 | 2004-04-06 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
US5862862A (en) | 1996-07-15 | 1999-01-26 | Halliburton Energy Services, Inc. | Apparatus for completing a subterranean well and associated methods of using same |
US5769167A (en) * | 1996-07-17 | 1998-06-23 | Tiw Corporation | Thru tubing whipstock and method |
US5909770A (en) * | 1996-11-18 | 1999-06-08 | Baker Hughes Incorporated | Retrievable whipstock |
US5971078A (en) * | 1997-04-15 | 1999-10-26 | Canadian Downhole Drill Systems Inc. | Method and apparatus for retrieving downhole tools |
US6032740A (en) * | 1998-01-23 | 2000-03-07 | Weatherford/Lamb, Inc. | Hook mill systems |
US6076606A (en) * | 1998-09-10 | 2000-06-20 | Weatherford/Lamb, Inc. | Through-tubing retrievable whipstock system |
US6360821B1 (en) * | 1999-05-20 | 2002-03-26 | Tiw Corporation | Combination whipstock and anchor assembly |
CA2288494C (en) | 1999-10-22 | 2008-01-08 | Canadian Downhole Drill Systems Inc. | One trip milling system |
US6464002B1 (en) | 2000-04-10 | 2002-10-15 | Weatherford/Lamb, Inc. | Whipstock assembly |
US7487835B2 (en) * | 2004-05-20 | 2009-02-10 | Weatherford/Lamb, Inc. | Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling |
US7467672B2 (en) * | 2006-05-05 | 2008-12-23 | Smith International, Inc. | Orientation tool |
US8069920B2 (en) * | 2009-04-02 | 2011-12-06 | Knight Information Systems, L.L.C. | Lateral well locator and reentry apparatus and method |
CN102704878B (zh) * | 2012-05-09 | 2016-03-23 | 中国石油天然气股份有限公司 | 回收式造斜器 |
EP3299574B1 (de) * | 2012-10-09 | 2019-07-24 | Halliburton Energy Services Inc. | System und verfahren zum umfangsseitigen ausrichten eines bohrlochverriegelungssystems |
US9835011B2 (en) | 2013-01-08 | 2017-12-05 | Knight Information Systems, Llc | Multi-window lateral well locator/reentry apparatus and method |
US10006264B2 (en) | 2014-05-29 | 2018-06-26 | Weatherford Technology Holdings, Llc | Whipstock assembly having anchor and eccentric packer |
CN105604515B (zh) * | 2016-02-29 | 2018-09-21 | 河北中荣石油机械有限责任公司 | 可回收斜向器及其回收工具 |
GB2567225B (en) * | 2017-10-06 | 2020-02-26 | Priority Drilling Ltd | Directional drilling |
GB201810604D0 (en) | 2018-06-28 | 2018-08-15 | Oiltoolsteq Ltd | Whipstock assembly |
US11333004B2 (en) | 2020-06-03 | 2022-05-17 | Weatherford Technology Holdings, Llc | Piston initiator for sidetrack assembly |
US11608686B2 (en) * | 2021-02-12 | 2023-03-21 | Saudi Arabian Oil Company | Whipstock assemblies and methods for using the same |
KR102573681B1 (ko) * | 2023-03-14 | 2023-09-04 | 삼부기술 주식회사 | 측량용 표척을 지면에 안정적으로 고정할 수 있는 측지측량장치 |
Family Cites Families (84)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1524288A (en) * | 1925-01-27 | Poration | ||
US1570518A (en) * | 1919-03-26 | 1926-01-19 | Sullivan Machinery Co | Method and apparatus for drilling holes |
US1589399A (en) * | 1925-10-26 | 1926-06-22 | Kinzbach Frank | Whip stock |
US1812880A (en) * | 1928-02-13 | 1931-07-07 | Kinzbach Frank | Whipstock |
US1804819A (en) * | 1928-05-02 | 1931-05-12 | Jr Edward A Spencer | Side wall drilling organization |
US1816856A (en) * | 1928-10-27 | 1931-08-04 | Kinzbach Frank | Whipstock |
US1869759A (en) * | 1929-04-15 | 1932-08-02 | Theodore L Lynch | Tubing anchor |
US1835227A (en) * | 1929-08-05 | 1931-12-08 | Charles H Lane | Whip stock |
US1866087A (en) * | 1930-05-05 | 1932-07-05 | Erd V Crowell | Tubing anchor |
US2014805A (en) * | 1933-05-29 | 1935-09-17 | Frank J Hinderliter | Apparatus for cutting through the side wall of a pipe |
US2065896A (en) * | 1934-11-06 | 1936-12-29 | Union Sulphur Company | Removable straightening tool |
US2105721A (en) * | 1935-06-04 | 1938-01-18 | George J Barrett And Sosthene | Whipstock |
US2105722A (en) * | 1935-11-20 | 1938-01-18 | George J Barrett | Well-boring apparatus |
US2103622A (en) * | 1936-07-25 | 1937-12-28 | Robert B Kinzbach | Side tracking apparatus |
US2101185A (en) * | 1936-10-22 | 1937-12-07 | Daniel B Monroe | Well drilling whip stock |
US2132061A (en) * | 1936-12-05 | 1938-10-04 | Clinton L Walker | Quick action whip stock |
US2170284A (en) * | 1937-10-28 | 1939-08-22 | Eastman Harlan John | Whip-stock bottom |
US2207920A (en) * | 1937-10-28 | 1940-07-16 | Eastman Oil Well Survey Corp | Expanding foot piece for whipstocks |
US2227347A (en) * | 1939-06-16 | 1940-12-31 | John W Heaston | Whipstock |
US2298706A (en) * | 1940-11-18 | 1942-10-13 | Sperry Sun Well Surveying Co | Method and apparatus for orienting tools |
US2324682A (en) * | 1941-03-26 | 1943-07-20 | Fohs Oil Company | Side wall coring tool |
US2331293A (en) * | 1941-11-05 | 1943-10-12 | Sperry Sun Well Surveying Co | Whipstock |
US2445100A (en) * | 1944-07-28 | 1948-07-13 | Eastman Oil Well Survey Co | Anchoring means for whipstocks |
US2495439A (en) * | 1945-08-08 | 1950-01-24 | Neville B Brimble | Side wall sample taker |
US2586878A (en) * | 1947-05-08 | 1952-02-26 | Eastman Oil Well Survey Co | Drilling apparatus |
US2664162A (en) * | 1948-06-24 | 1953-12-29 | Sid W Richardson Inc | Means for installing and removing flow valves |
US2633331A (en) * | 1948-09-07 | 1953-03-31 | Hampton Harry | Apparatus for preparing a well casing for sidetrack drilling |
US2567507A (en) * | 1949-11-16 | 1951-09-11 | John Eastman H | Means for orienting well tools in well bores |
US2699920A (en) * | 1952-03-14 | 1955-01-18 | John A Zublin | Apparatus for drilling laterally deviating bores from a vertical bore below a casing set therein |
US2770444A (en) * | 1953-03-10 | 1956-11-13 | Stephen A Neal | Circulating and rotating retrievable whipstock |
US2797893A (en) * | 1954-09-13 | 1957-07-02 | Oilwell Drain Hole Drilling Co | Drilling and lining of drain holes |
US2950900A (en) * | 1955-10-13 | 1960-08-30 | Alfred C Wynes | Redirecting deflected boreholes |
US3000440A (en) * | 1957-04-29 | 1961-09-19 | Regan Forge & Eng Co | Deep well orienting tool |
US2882015A (en) * | 1957-06-10 | 1959-04-14 | J E Hill | Directional window cutter for whipstocks |
US3096824A (en) * | 1958-10-23 | 1963-07-09 | Cicero C Brown | Gripping devices |
US3116799A (en) * | 1960-08-01 | 1964-01-07 | Drilling Control Corp | Whipstock apparatus and method of using the same |
US3095039A (en) * | 1960-10-07 | 1963-06-25 | Bowen Itco Inc | Whipstock and anchoring mechanism therefor |
US3075583A (en) * | 1961-05-05 | 1963-01-29 | Dale E Nielsen | Small-angle drill-hole whipstock |
GB1025092A (en) * | 1962-02-12 | 1966-04-06 | Svenska Diamantbergborrnings A | Improvements relating to the deflecting of drill holes in diamond drilling |
US3602306A (en) * | 1970-04-27 | 1971-08-31 | Gem Tool Corp | Blow-up preventer |
US3667252A (en) * | 1970-11-02 | 1972-06-06 | Nelson Arthur J | Coupling for drill string |
US3908759A (en) * | 1974-05-22 | 1975-09-30 | Standard Oil Co | Sidetracking tool |
US4007797A (en) * | 1974-06-04 | 1977-02-15 | Texas Dynamatics, Inc. | Device for drilling a hole in the side wall of a bore hole |
US4153109A (en) * | 1977-05-19 | 1979-05-08 | Baker International Corporation | Method and apparatus for anchoring whipstocks in well bores |
US4266621A (en) * | 1977-06-22 | 1981-05-12 | Christensen, Inc. | Well casing window mill |
US4304299A (en) * | 1980-07-21 | 1981-12-08 | Baker International Corporation | Method for setting and orienting a whipstock in a well conduit |
US4285399A (en) * | 1980-07-21 | 1981-08-25 | Baker International Corporation | Apparatus for setting and orienting a whipstock in a well conduit |
US4307780A (en) * | 1980-07-21 | 1981-12-29 | Baker International Corporation | Angular whipstock alignment means |
US4397360A (en) * | 1981-07-06 | 1983-08-09 | Atlantic Richfield Company | Method for forming drain holes from a cased well |
US4429741A (en) * | 1981-10-13 | 1984-02-07 | Christensen, Inc. | Self powered downhole tool anchor |
US4450912A (en) * | 1982-06-07 | 1984-05-29 | Baker Oil Tools, Inc. | Method and apparatus for well cementing through a tubular member |
US4491178A (en) * | 1983-08-11 | 1985-01-01 | Gearhart Industries, Inc. | Through tubing bridge plug |
GB8329138D0 (en) * | 1983-11-01 | 1983-12-07 | Encore Drilling Co Ltd | Drilling |
US4550781A (en) * | 1984-06-06 | 1985-11-05 | A-Z International Tool Company | Method of and apparatus for cutting and recovering of submarine surface casing |
US4646826A (en) * | 1985-07-29 | 1987-03-03 | A-Z International Tool Company | Well string cutting apparatus |
US4733732A (en) * | 1985-08-02 | 1988-03-29 | Atlantic Richfield Company | Submudline drivepipe whipstock method and apparatus |
US5086838A (en) * | 1986-01-06 | 1992-02-11 | Baker Hughes Incorporated | Tapered cutting tool for reaming tubular members in well bore |
US4938291A (en) * | 1986-01-06 | 1990-07-03 | Lynde Gerald D | Cutting tool for cutting well casing |
US4978260A (en) * | 1986-01-06 | 1990-12-18 | Tri-State Oil Tools, Inc. | Cutting tool for removing materials from well bore |
US5014778A (en) * | 1986-01-06 | 1991-05-14 | Tri-State Oil Tools, Inc. | Milling tool for cutting well casing |
US4765404A (en) * | 1987-04-13 | 1988-08-23 | Drilex Systems, Inc. | Whipstock packer assembly |
US4732212A (en) * | 1987-07-24 | 1988-03-22 | Hughes Tool Company | Attachment device for a slip gripping mechanism with floating cone segments |
US4807704A (en) * | 1987-09-28 | 1989-02-28 | Atlantic Richfield Company | System and method for providing multiple wells from a single wellbore |
US4844167A (en) * | 1988-09-29 | 1989-07-04 | Conoco Inc. | Through-tubing perforating apparatus |
US5186254A (en) * | 1989-11-22 | 1993-02-16 | Staden Pieter R Van | Borehole pumping installation |
DE3942438A1 (de) * | 1989-12-22 | 1991-07-11 | Eastman Christensen Co | Vorrichtung zum bohren einer neben- oder ablenkbohrung eines insbesondere verrohrten bohrlochs |
US5154231A (en) * | 1990-09-19 | 1992-10-13 | Masx Energy Services Group, Inc. | Whipstock assembly with hydraulically set anchor |
US5115872A (en) * | 1990-10-19 | 1992-05-26 | Anglo Suisse, Inc. | Directional drilling system and method for drilling precise offset wellbores from a main wellbore |
US5253710A (en) * | 1991-03-19 | 1993-10-19 | Homco International, Inc. | Method and apparatus to cut and remove casing |
US5113938A (en) * | 1991-05-07 | 1992-05-19 | Clayton Charley H | Whipstock |
US5163522A (en) * | 1991-05-20 | 1992-11-17 | Baker Hughes Incorporated | Angled sidewall coring assembly and method of operation |
US5195591A (en) * | 1991-08-30 | 1993-03-23 | Atlantic Richfield Company | Permanent whipstock and placement method |
US5211715A (en) * | 1991-08-30 | 1993-05-18 | Atlantic Richfield Company | Coring with tubing run tools from a producing well |
US5222555A (en) * | 1991-12-13 | 1993-06-29 | Abb Vetco Gray Inc. | Emergency casing hanger system |
US5222554A (en) * | 1992-01-30 | 1993-06-29 | Atlantic Richfield Company | Whipstock for oil and gas wells |
US5265675A (en) * | 1992-03-25 | 1993-11-30 | Atlantic Richfield Company | Well conduit cutting and milling apparatus and method |
US5318121A (en) * | 1992-08-07 | 1994-06-07 | Baker Hughes Incorporated | Method and apparatus for locating and re-entering one or more horizontal wells using whipstock with sealable bores |
US5318122A (en) * | 1992-08-07 | 1994-06-07 | Baker Hughes, Inc. | Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means |
US5322127C1 (en) * | 1992-08-07 | 2001-02-06 | Baker Hughes Inc | Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells |
US5341873A (en) * | 1992-09-16 | 1994-08-30 | Weatherford U.S., Inc. | Method and apparatus for deviated drilling |
US5277251A (en) * | 1992-10-09 | 1994-01-11 | Blount Curtis G | Method for forming a window in a subsurface well conduit |
US5335737A (en) * | 1992-11-19 | 1994-08-09 | Smith International, Inc. | Retrievable whipstock |
US5287921A (en) * | 1993-01-11 | 1994-02-22 | Blount Curtis G | Method and apparatus for setting a whipstock |
US5346017A (en) * | 1993-09-27 | 1994-09-13 | Atlantic Richfield Company | Method and apparatus for setting a whipstock |
-
1994
- 1994-09-06 US US08/300,917 patent/US5425417A/en not_active Expired - Lifetime
- 1994-09-12 WO PCT/GB1994/001979 patent/WO1995007404A2/en active IP Right Grant
- 1994-09-12 DE DE69424053T patent/DE69424053T2/de not_active Expired - Fee Related
- 1994-09-12 CA CA002164442A patent/CA2164442C/en not_active Expired - Lifetime
- 1994-09-12 AU AU76187/94A patent/AU678529B2/en not_active Ceased
- 1994-09-12 EP EP94926299A patent/EP0717808B1/de not_active Expired - Lifetime
-
1995
- 1995-11-29 NO NO19954843A patent/NO315988B1/no not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214345A1 (de) * | 2002-03-28 | 2003-10-23 | Harald Gollwitzer Gmbh | Verfahren sowie Vorrichtung zur Bestimmung des Verlaufs eines Bohrlochs |
DE10214345B4 (de) * | 2002-03-28 | 2005-05-04 | Harald Gollwitzer Gmbh | Verfahren sowie Vorrichtung zur Bestimmung des Verlaufs eines Bohrlochs |
Also Published As
Publication number | Publication date |
---|---|
WO1995007404A2 (en) | 1995-03-16 |
EP0717808B1 (de) | 2000-04-19 |
WO1995007404A3 (en) | 1995-05-04 |
DE69424053D1 (de) | 2000-05-25 |
AU7618794A (en) | 1995-03-27 |
NO315988B1 (no) | 2003-11-24 |
US5425417A (en) | 1995-06-20 |
CA2164442A1 (en) | 1995-03-16 |
EP0717808A1 (de) | 1996-06-26 |
CA2164442C (en) | 2005-04-12 |
NO954843D0 (no) | 1995-11-29 |
AU678529B2 (en) | 1997-05-29 |
NO954843L (no) | 1995-11-29 |
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