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
|
US2087440A
(en)
*
|
1936-01-23 |
1937-07-20 |
Henry J Merz |
Animal trap
|
US2102055A
(en)
*
|
1936-03-16 |
1937-12-14 |
Brauer Walter |
Sidetracking tool
|
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
|
US2158329A
(en)
*
|
1937-08-06 |
1939-05-16 |
Kinzbach Frank |
Whip stock
|
US2207920A
(en)
*
|
1937-10-28 |
1940-07-16 |
Eastman Oil Well Survey Corp |
Expanding foot piece for whipstocks
|
US2170284A
(en)
*
|
1937-10-28 |
1939-08-22 |
Eastman Harlan John |
Whip-stock bottom
|
US2258001A
(en)
*
|
1938-12-23 |
1941-10-07 |
Dow Chemical Co |
Subterranean boring
|
US2227347A
(en)
*
|
1939-06-16 |
1940-12-31 |
John W Heaston |
Whipstock
|
US2362529A
(en)
*
|
1940-08-30 |
1944-11-14 |
A 1 Bit And Tool Company Ltd |
Side tracking apparatus
|
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
|
US2338788A
(en)
*
|
1941-09-10 |
1944-01-11 |
Clinton L Walker |
Whipstock
|
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
|
US2452920A
(en)
*
|
1945-07-02 |
1948-11-02 |
Shell Dev |
Method and apparatus for drilling and producing wells
|
US2535964A
(en)
*
|
1945-07-30 |
1950-12-26 |
John J Fleet |
Means for casing cutting
|
US2495439A
(en)
*
|
1945-08-08 |
1950-01-24 |
Neville B Brimble |
Side wall sample taker
|
US2509144A
(en)
*
|
1945-08-10 |
1950-05-23 |
Donovan B Grable |
Well plugging and whipstocking
|
US2539047A
(en)
*
|
1946-06-17 |
1951-01-23 |
Arutunoff Armais |
Side drill
|
US2587244A
(en)
*
|
1946-11-12 |
1952-02-26 |
I J Mccullough |
Apparatus for cutting pipes within a well
|
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
|
US2638320A
(en)
*
|
1949-06-18 |
1953-05-12 |
Elmo L Condra |
Pipe cutter or reamer for use on crooked pipe
|
US2567507A
(en)
*
|
1949-11-16 |
1951-09-11 |
John Eastman H |
Means for orienting well tools in well bores
|
US2758543A
(en)
*
|
1950-04-10 |
1956-08-14 |
Clarence W Grandin |
Cutting method and apparatus
|
US2633682A
(en)
*
|
1950-10-14 |
1953-04-07 |
Eastman Oil Well Survey Co |
Milling bit
|
US2685431A
(en)
*
|
1951-10-01 |
1954-08-03 |
Eastman Oil Well Survey Co |
Hydraulic pilot reamer for directional drilling
|
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
|
US2885182A
(en)
*
|
1956-09-24 |
1959-05-05 |
Driltrol |
Drilling and deflecting tool
|
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
|
US3477524A
(en)
*
|
1968-02-06 |
1969-11-11 |
Alfred R Marks Jr |
Full bore directional drilling tool
|
US3684008A
(en)
*
|
1970-07-16 |
1972-08-15 |
Henry U Garrett |
Well bore blocking means and method
|
US3667252A
(en)
*
|
1970-11-02 |
1972-06-06 |
Nelson Arthur J |
Coupling for drill string
|
US3766979A
(en)
*
|
1972-04-20 |
1973-10-23 |
J Petrick |
Well casing cutter and sealer
|
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
|
US4285399A
(en)
*
|
1980-07-21 |
1981-08-25 |
Baker International Corporation |
Apparatus for setting and orienting a whipstock in a well conduit
|
US4304299A
(en)
*
|
1980-07-21 |
1981-12-08 |
Baker International Corporation |
Method 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
|
US4431053A
(en)
*
|
1981-11-27 |
1984-02-14 |
Texaco Inc. |
Well drilling tool
|
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
|
US4978260A
(en)
*
|
1986-01-06 |
1990-12-18 |
Tri-State Oil Tools, Inc. |
Cutting tool for removing materials from well bore
|
US5373900A
(en)
|
1988-04-15 |
1994-12-20 |
Baker Hughes Incorporated |
Downhole milling tool
|
US5014778A
(en)
*
|
1986-01-06 |
1991-05-14 |
Tri-State Oil Tools, Inc. |
Milling tool for cutting well casing
|
US4938291A
(en)
*
|
1986-01-06 |
1990-07-03 |
Lynde Gerald D |
Cutting tool for cutting well casing
|
US5086838A
(en)
*
|
1986-01-06 |
1992-02-11 |
Baker Hughes Incorporated |
Tapered cutting tool for reaming tubular members in well bore
|
US4796709A
(en)
*
|
1986-01-06 |
1989-01-10 |
Tri-State Oil Tool Industries, Inc. |
Milling tool for cutting well casing
|
US5038859A
(en)
*
|
1988-04-15 |
1991-08-13 |
Tri-State Oil Tools, Inc. |
Cutting tool for removing man-made members from well bore
|
US4887668A
(en)
*
|
1986-01-06 |
1989-12-19 |
Tri-State Oil Tool Industries, Inc. |
Cutting tool for cutting well casing
|
FR2598175B1
(fr)
*
|
1986-04-30 |
1988-07-22 |
Elf Aquitaine |
Perfectionnements aux dispositifs de forage de puits ramifie
|
US4699224A
(en)
*
|
1986-05-12 |
1987-10-13 |
Sidewinder Joint Venture |
Method and apparatus for lateral drilling in oil and gas wells
|
US4717290A
(en)
*
|
1986-12-17 |
1988-01-05 |
Homco International, Inc. |
Milling tool
|
US4765404A
(en)
*
|
1987-04-13 |
1988-08-23 |
Drilex Systems, Inc. |
Whipstock packer assembly
|
US4819721A
(en)
*
|
1987-06-09 |
1989-04-11 |
Long Technologies, Inc. |
Remotely controlled articulatable hydraulic cutter apparatus
|
US4807704A
(en)
*
|
1987-09-28 |
1989-02-28 |
Atlantic Richfield Company |
System and method for providing multiple wells from a single wellbore
|
DE3832715A1
(de)
|
1988-09-27 |
1990-03-29 |
Preussag Ag |
Vorrichtung zur herstellung einer ablenkbohrung
|
US4844167A
(en)
*
|
1988-09-29 |
1989-07-04 |
Conoco Inc. |
Through-tubing perforating apparatus
|
US4886126A
(en)
*
|
1988-12-12 |
1989-12-12 |
Baker Hughes Incorporated |
Method and apparatus for firing a perforating gun
|
US5035292A
(en)
*
|
1989-01-11 |
1991-07-30 |
Masx Energy Service Group, Inc. |
Whipstock starter mill with pressure drop tattletale
|
DE3942438A1
(de)
*
|
1989-12-22 |
1991-07-11 |
Eastman Christensen Co |
Vorrichtung zum bohren einer neben- oder ablenkbohrung eines insbesondere verrohrten bohrlochs
|
GB9003047D0
(en)
*
|
1990-02-10 |
1990-04-11 |
Tri State Oil Tool Uk |
Insert type window mill
|
US5154231A
(en)
*
|
1990-09-19 |
1992-10-13 |
Masx Energy Services Group, Inc. |
Whipstock assembly with hydraulically set anchor
|
GB9022062D0
(en)
*
|
1990-10-10 |
1990-11-21 |
Petco Fishing & Rental Tools U |
Milling tool
|
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
|
US5076311A
(en)
*
|
1991-05-09 |
1991-12-31 |
Marquip Inc. |
Directly installed shut-off valve assembly for flowing high pressure line
|
US5163522A
(en)
*
|
1991-05-20 |
1992-11-17 |
Baker Hughes Incorporated |
Angled sidewall coring assembly and method of operation
|
US5188190A
(en)
*
|
1991-08-30 |
1993-02-23 |
Atlantic Richfield Company |
Method for obtaining cores from a producing well
|
US5211715A
(en)
*
|
1991-08-30 |
1993-05-18 |
Atlantic Richfield Company |
Coring with tubing run tools from a producing well
|
US5195591A
(en)
*
|
1991-08-30 |
1993-03-23 |
Atlantic Richfield Company |
Permanent whipstock and placement method
|
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
|
FR2692315B1
(fr)
|
1992-06-12 |
1994-09-02 |
Inst Francais Du Petrole |
Système et méthode de forage et d'équipement d'un puits latéral, application à l'exploitation de gisement pétrolier.
|
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
|
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
|
US5474131A
(en)
|
1992-08-07 |
1995-12-12 |
Baker Hughes Incorporated |
Method for completing multi-lateral wells and maintaining selective re-entry into laterals
|
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
|
US5353876A
(en)
|
1992-08-07 |
1994-10-11 |
Baker Hughes Incorporated |
Method and apparatus for sealing the juncture between a verticle well and one or more horizontal wells using mandrel means
|
US5311936A
(en)
|
1992-08-07 |
1994-05-17 |
Baker Hughes Incorporated |
Method and apparatus for isolating one horizontal production zone in a multilateral well
|
US5477923A
(en)
|
1992-08-07 |
1995-12-26 |
Baker Hughes Incorporated |
Wellbore completion using measurement-while-drilling techniques
|
US5325924A
(en)
|
1992-08-07 |
1994-07-05 |
Baker Hughes Incorporated |
Method and apparatus for locating and re-entering one or more horizontal wells using mandrel means
|
US5454430A
(en)
|
1992-08-07 |
1995-10-03 |
Baker Hughes Incorporated |
Scoophead/diverter assembly for completing lateral wellbores
|
US5316087A
(en)
*
|
1992-08-11 |
1994-05-31 |
Halliburton Company |
Pyrotechnic charge powered operating system for downhole tools
|
US5458199A
(en)
|
1992-08-28 |
1995-10-17 |
Marathon Oil Company |
Assembly and process for drilling and completing multiple 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
|
US5462120A
(en)
|
1993-01-04 |
1995-10-31 |
S-Cal Research Corp. |
Downhole equipment, tools and assembly procedures for the drilling, tie-in and completion of vertical cased oil wells connected to liner-equipped multiple drainholes
|
US5287921A
(en)
|
1993-01-11 |
1994-02-22 |
Blount Curtis G |
Method and apparatus for setting a whipstock
|
CA2095306A1
(en)
|
1993-04-30 |
1994-10-31 |
Michael Robert Konopczynski |
Drilling kick-off device
|
US5427177A
(en)
|
1993-06-10 |
1995-06-27 |
Baker Hughes Incorporated |
Multi-lateral selective re-entry tool
|
US5425417A
(en)
|
1993-09-10 |
1995-06-20 |
Weatherford U.S., Inc. |
Wellbore tool setting system
|
US5452759A
(en)
|
1993-09-10 |
1995-09-26 |
Weatherford U.S., Inc. |
Whipstock system
|
US5429187A
(en)
|
1994-03-18 |
1995-07-04 |
Weatherford U.S., Inc. |
Milling tool and operations
|
US5346017A
(en)
|
1993-09-27 |
1994-09-13 |
Atlantic Richfield Company |
Method and apparatus for setting a whipstock
|
US5388648A
(en)
|
1993-10-08 |
1995-02-14 |
Baker Hughes Incorporated |
Method and apparatus for sealing the juncture between a vertical well and one or more horizontal wells using deformable sealing means
|
US5398754A
(en)
|
1994-01-25 |
1995-03-21 |
Baker Hughes Incorporated |
Retrievable whipstock anchor assembly
|
US5439051A
(en)
|
1994-01-26 |
1995-08-08 |
Baker Hughes Incorporated |
Lateral connector receptacle
|
US5472048A
(en)
|
1994-01-26 |
1995-12-05 |
Baker Hughes Incorporated |
Parallel seal assembly
|
US5435392A
(en)
|
1994-01-26 |
1995-07-25 |
Baker Hughes Incorporated |
Liner tie-back sleeve
|
US5411082A
(en)
|
1994-01-26 |
1995-05-02 |
Baker Hughes Incorporated |
Scoophead running tool
|
US5595247A
(en)
|
1994-04-06 |
1997-01-21 |
Tiw Corporation |
Retrievable through tubing tool and method
|
US5456316A
(en)
|
1994-04-25 |
1995-10-10 |
Baker Hughes Incorporated |
Downhole signal conveying system
|
US5479986A
(en)
|
1994-05-02 |
1996-01-02 |
Halliburton Company |
Temporary plug system
|
US5435400B1
(en)
|
1994-05-25 |
1999-06-01 |
Atlantic Richfield Co |
Lateral well drilling
|
US5488989A
(en)
|
1994-06-02 |
1996-02-06 |
Dowell, A Division Of Schlumberger Technology Corporation |
Whipstock orientation method and system
|
US5379845A
(en)
|
1994-06-06 |
1995-01-10 |
Atlantic Richfield Company |
Method for setting a whipstock in a wellbore
|
US5564503A
(en)
|
1994-08-26 |
1996-10-15 |
Halliburton Company |
Methods and systems for subterranean multilateral well drilling and completion
|
US5566763A
(en)
|
1994-08-26 |
1996-10-22 |
Halliburton Company |
Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion
|
US5477925A
(en)
|
1994-12-06 |
1995-12-26 |
Baker Hughes Incorporated |
Method for multi-lateral completion and cementing the juncture with lateral wellbores
|
US5566757A
(en)
|
1995-03-23 |
1996-10-22 |
Halliburton Company |
Method and apparatus for setting sidetrack plugs in open or cased well bores
|
US5544704A
(en)
|
1995-03-23 |
1996-08-13 |
Halliburton Company |
Drillable whipstock
|
US5551509A
(en)
|
1995-03-24 |
1996-09-03 |
Tiw Corporation |
Whipstock and starter mill
|
US5560435A
(en)
|
1995-04-11 |
1996-10-01 |
Abb Vecto Gray Inc. |
Method and apparatus for drilling multiple offshore wells from within a single conductor string
|
US5615740A
(en)
|
1995-06-29 |
1997-04-01 |
Baroid Technology, Inc. |
Internal pressure sleeve for use with easily drillable exit ports
|
US5636692A
(en)
|
1995-12-11 |
1997-06-10 |
Weatherford Enterra U.S., Inc. |
Casing window formation
|