US517509A
(en)
|
|
1894-04-03 |
|
Stuffing-box |
US282073A
(en)
*
|
|
1883-07-31 |
|
Electric ore-separator |
US2176355A
(en)
|
|
1939-10-17 |
|
Drumng head |
US2506538A
(en)
|
|
1950-05-02 |
|
Means for protecting well drilling |
US1157644A
(en)
|
1911-07-24 |
1915-10-19 |
Terry Steam Turbine Company |
Vertical bearing.
|
US1503476A
(en)
|
1921-05-24 |
1924-08-05 |
Hughes Tool Co |
Apparatus for well drilling
|
US1472952A
(en)
|
1922-02-13 |
1923-11-06 |
Longyear E J Co |
Oil-saving device for oil wells
|
US1528560A
(en)
|
1923-10-20 |
1925-03-03 |
Herman A Myers |
Packing tool
|
US1546467A
(en)
|
1924-01-09 |
1925-07-21 |
Joseph F Bennett |
Oil or gas drilling mechanism
|
US1700894A
(en)
|
1924-08-18 |
1929-02-05 |
Joyce |
Metallic packing for alpha fluid under pressure
|
US1560763A
(en)
|
1925-01-27 |
1925-11-10 |
Frank M Collins |
Packing head and blow-out preventer for rotary-type well-drilling apparatus
|
US1708316A
(en)
|
1926-09-09 |
1929-04-09 |
John W Macclatchie |
Blow-out preventer
|
US1813402A
(en)
|
1927-06-01 |
1931-07-07 |
Evert N Hewitt |
Pressure drilling head
|
US1776797A
(en)
|
1928-08-15 |
1930-09-30 |
Sheldon Waldo |
Packing for rotary well drilling
|
US1769921A
(en)
|
1928-12-11 |
1930-07-08 |
Ingersoll Rand Co |
Centralizer for drill steels
|
US1836470A
(en)
|
1930-02-24 |
1931-12-15 |
Granville A Humason |
Blow-out preventer
|
US1942366A
(en)
|
1930-03-29 |
1934-01-02 |
Seamark Lewis Mervyn Cecil |
Casing head equipment
|
US1831956A
(en)
|
1930-10-27 |
1931-11-17 |
Reed Roller Bit Co |
Blow out preventer
|
US2038140A
(en)
|
1931-07-06 |
1936-04-21 |
Hydril Co |
Packing head
|
US1902906A
(en)
|
1931-08-12 |
1933-03-28 |
Seamark Lewis Mervyn Cecil |
Casing head equipment
|
US2071197A
(en)
|
1934-05-07 |
1937-02-16 |
Burns Erwin |
Blow-out preventer
|
US2036537A
(en)
|
1935-07-22 |
1936-04-07 |
Herbert C Otis |
Kelly stuffing box
|
US2124015A
(en)
|
1935-11-19 |
1938-07-19 |
Hydril Co |
Packing head
|
US2144682A
(en)
|
1936-08-12 |
1939-01-24 |
Macclatchie Mfg Company |
Blow-out preventer
|
US2163813A
(en)
|
1936-08-24 |
1939-06-27 |
Hydril Co |
Oil well packing head
|
US2148844A
(en)
|
1936-10-02 |
1939-02-28 |
Hydril Co |
Packing head for oil wells
|
US2175648A
(en)
|
1937-01-18 |
1939-10-10 |
Edmund J Roach |
Blow-out preventer for casing heads
|
US2126007A
(en)
|
1937-04-12 |
1938-08-09 |
Guiberson Corp |
Drilling head
|
US2165410A
(en)
|
1937-05-24 |
1939-07-11 |
Arthur J Penick |
Blowout preventer
|
US2170915A
(en)
|
1937-08-09 |
1939-08-29 |
Frank J Schweitzer |
Collar passing pressure stripper
|
US2185822A
(en)
|
1937-11-06 |
1940-01-02 |
Nat Supply Co |
Rotary swivel
|
US2243439A
(en)
|
1938-01-18 |
1941-05-27 |
Guiberson Corp |
Pressure drilling head
|
US2211122A
(en)
|
1938-03-10 |
1940-08-13 |
J H Mcevoy & Company |
Tubing head and hanger
|
US2170916A
(en)
|
1938-05-09 |
1939-08-29 |
Frank J Schweitzer |
Rotary collar passing blow-out preventer and stripper
|
US2243340A
(en)
|
1938-05-23 |
1941-05-27 |
Frederic W Hild |
Rotary blowout preventer
|
US2303090A
(en)
|
1938-11-08 |
1942-11-24 |
Guiberson Corp |
Pressure drilling head
|
US2222082A
(en)
|
1938-12-01 |
1940-11-19 |
Nat Supply Co |
Rotary drilling head
|
US2199735A
(en)
|
1938-12-29 |
1940-05-07 |
Fred G Beckman |
Packing gland
|
US2287205A
(en)
|
1939-01-27 |
1942-06-23 |
Hydril Company Of California |
Packing head
|
US2233041A
(en)
|
1939-09-14 |
1941-02-25 |
Arthur J Penick |
Blowout preventer
|
US2313169A
(en)
|
1940-05-09 |
1943-03-09 |
Arthur J Penick |
Well head assembly
|
US2325556A
(en)
|
1941-03-22 |
1943-07-27 |
Guiberson Corp |
Well swab
|
US2338093A
(en)
|
1941-06-28 |
1944-01-04 |
George E Failing Supply Compan |
Kelly rod and drive bushing therefor
|
US2480955A
(en)
|
1945-10-29 |
1949-09-06 |
Oil Ct Tool Company |
Joint sealing means for well heads
|
US2529744A
(en)
|
1946-05-18 |
1950-11-14 |
Frank J Schweitzer |
Choking collar blowout preventer and stripper
|
US2609836A
(en)
|
1946-08-16 |
1952-09-09 |
Hydril Corp |
Control head and blow-out preventer
|
NL76600C
(de)
|
1948-01-23 |
|
|
|
US2628852A
(en)
|
1949-02-02 |
1953-02-17 |
Crane Packing Co |
Cooling system for double seals
|
US2649318A
(en)
|
1950-05-18 |
1953-08-18 |
Blaw Knox Co |
Pressure lubricating system
|
US2862735A
(en)
|
1950-08-19 |
1958-12-02 |
Hydril Co |
Kelly packer and blowout preventer
|
US2731281A
(en)
|
1950-08-19 |
1956-01-17 |
Hydril Corp |
Kelly packer and blowout preventer
|
GB713940A
(en)
|
1951-08-31 |
1954-08-18 |
British Messier Ltd |
Improvements in or relating to hydraulic accumulators and the like
|
US2746781A
(en)
|
1952-01-26 |
1956-05-22 |
Petroleum Mechanical Dev Corp |
Wiping and sealing devices for well pipes
|
US2760795A
(en)
|
1953-06-15 |
1956-08-28 |
Shaffer Tool Works |
Rotary blowout preventer for well apparatus
|
US2760750A
(en)
|
1953-08-13 |
1956-08-28 |
Shaffer Tool Works |
Stationary blowout preventer
|
US2846247A
(en)
|
1953-11-23 |
1958-08-05 |
Guiberson Corp |
Drilling head
|
US2808229A
(en)
|
1954-11-12 |
1957-10-01 |
Shell Oil Co |
Off-shore drilling
|
US2929610A
(en)
|
1954-12-27 |
1960-03-22 |
Shell Oil Co |
Drilling
|
US2853274A
(en)
|
1955-01-03 |
1958-09-23 |
Henry H Collins |
Rotary table and pressure fluid seal therefor
|
US2808230A
(en)
|
1955-01-17 |
1957-10-01 |
Shell Oil Co |
Off-shore drilling
|
US2846178A
(en)
|
1955-01-24 |
1958-08-05 |
Regan Forge & Eng Co |
Conical-type blowout preventer
|
US2886350A
(en)
|
1957-04-22 |
1959-05-12 |
Horne Robert Jackson |
Centrifugal seals
|
US2927774A
(en)
|
1957-05-10 |
1960-03-08 |
Phillips Petroleum Co |
Rotary seal
|
US2995196A
(en)
|
1957-07-08 |
1961-08-08 |
Shaffer Tool Works |
Drilling head
|
US3032125A
(en)
|
1957-07-10 |
1962-05-01 |
Jersey Prod Res Co |
Offshore apparatus
|
US2962096A
(en)
|
1957-10-22 |
1960-11-29 |
Hydril Co |
Well head connector
|
US3029083A
(en)
|
1958-02-04 |
1962-04-10 |
Shaffer Tool Works |
Seal for drilling heads and the like
|
US2904357A
(en)
|
1958-03-10 |
1959-09-15 |
Hydril Co |
Rotatable well pressure seal
|
US3096999A
(en)
|
1958-07-07 |
1963-07-09 |
Cameron Iron Works Inc |
Pipe joint having remote control coupling means
|
US3052300A
(en)
|
1959-02-06 |
1962-09-04 |
Donald M Hampton |
Well head for air drilling apparatus
|
US3023012A
(en)
|
1959-06-09 |
1962-02-27 |
Shaffer Tool Works |
Submarine drilling head and blowout preventer
|
US3100015A
(en)
|
1959-10-05 |
1963-08-06 |
Regan Forge & Eng Co |
Method of and apparatus for running equipment into and out of wells
|
US3033011A
(en)
|
1960-08-31 |
1962-05-08 |
Drilco Oil Tools Inc |
Resilient rotary drive fluid conduit connection
|
US3134613A
(en)
|
1961-03-31 |
1964-05-26 |
Regan Forge & Eng Co |
Quick-connect fitting for oil well tubing
|
US3209829A
(en)
|
1961-05-08 |
1965-10-05 |
Shell Oil Co |
Wellhead assembly for under-water wells
|
US3128614A
(en)
|
1961-10-27 |
1964-04-14 |
Grant Oil Tool Company |
Drilling head
|
US3216731A
(en)
|
1962-02-12 |
1965-11-09 |
Otis Eng Co |
Well tools
|
US3225831A
(en)
|
1962-04-16 |
1965-12-28 |
Hydril Co |
Apparatus and method for packing off multiple tubing strings
|
US3203358A
(en)
|
1962-08-13 |
1965-08-31 |
Regan Forge & Eng Co |
Fluid flow control apparatus
|
US3176996A
(en)
|
1962-10-12 |
1965-04-06 |
Barnett Leon Truman |
Oil balanced shaft seal
|
NL302722A
(de)
|
1963-02-01 |
|
|
|
US3259198A
(en)
|
1963-05-28 |
1966-07-05 |
Shell Oil Co |
Method and apparatus for drilling underwater wells
|
US3294112A
(en)
|
1963-07-01 |
1966-12-27 |
Regan Forge & Eng Co |
Remotely operable fluid flow control valve
|
US3288472A
(en)
|
1963-07-01 |
1966-11-29 |
Regan Forge & Eng Co |
Metal seal
|
US3268233A
(en)
|
1963-10-07 |
1966-08-23 |
Brown Oil Tools |
Rotary stripper for well pipe strings
|
US3347567A
(en)
|
1963-11-29 |
1967-10-17 |
Regan Forge & Eng Co |
Double tapered guidance apparatus
|
US3485051A
(en)
|
1963-11-29 |
1969-12-23 |
Regan Forge & Eng Co |
Double tapered guidance method
|
US3313358A
(en)
|
1964-04-01 |
1967-04-11 |
Chevron Res |
Conductor casing for offshore drilling and well completion
|
US3289761A
(en)
|
1964-04-15 |
1966-12-06 |
Robbie J Smith |
Method and means for sealing wells
|
US3313345A
(en)
|
1964-06-02 |
1967-04-11 |
Chevron Res |
Method and apparatus for offshore drilling and well completion
|
US3360048A
(en)
|
1964-06-29 |
1967-12-26 |
Regan Forge & Eng Co |
Annulus valve
|
US3285352A
(en)
|
1964-12-03 |
1966-11-15 |
Joseph M Hunter |
Rotary air drilling head
|
US3372761A
(en)
|
1965-06-30 |
1968-03-12 |
Adrianus Wilhelmus Van Gils |
Maximum allowable back pressure controller for a drilled hole
|
US3302048A
(en)
|
1965-09-23 |
1967-01-31 |
Barden Corp |
Self-aligning gas bearing
|
US3397928A
(en)
|
1965-11-08 |
1968-08-20 |
Edward M. Galle |
Seal means for drill bit bearings
|
US3401600A
(en)
|
1965-12-23 |
1968-09-17 |
Bell Aerospace Corp |
Control system having a plurality of control chains each of which may be disabled in event of failure thereof
|
US3333870A
(en)
|
1965-12-30 |
1967-08-01 |
Regan Forge & Eng Co |
Marine conductor coupling with double seal construction
|
US3387851A
(en)
|
1966-01-12 |
1968-06-11 |
Shaffer Tool Works |
Tandem stripper sealing apparatus
|
US3405763A
(en)
|
1966-02-18 |
1968-10-15 |
Gray Tool Co |
Well completion apparatus and method
|
GB1178295A
(en)
|
1966-03-25 |
1970-01-21 |
Sumitomo Prec Products Company |
Apparatus for Indicating the Operative Position of a Movable Member.
|
US3445126A
(en)
|
1966-05-19 |
1969-05-20 |
Regan Forge & Eng Co |
Marine conductor coupling
|
US3421580A
(en)
|
1966-08-15 |
1969-01-14 |
Rockwell Mfg Co |
Underwater well completion method and apparatus
|
DE1282052B
(de)
|
1966-08-31 |
1968-11-07 |
Knorr Bremse Gmbh |
Anzeigeeinrichtung fuer den Anlegezustand von Schienenfahrzeugbremsen
|
US3400938A
(en)
|
1966-09-16 |
1968-09-10 |
Williams Bob |
Drilling head assembly
|
US3472518A
(en)
|
1966-10-24 |
1969-10-14 |
Texaco Inc |
Dynamic seal for drill pipe annulus
|
US3443643A
(en)
|
1966-12-30 |
1969-05-13 |
Cameron Iron Works Inc |
Apparatus for controlling the pressure in a well
|
FR1519891A
(fr)
|
1967-02-24 |
1968-04-05 |
Entpr D Equipements Mecaniques |
Perfectionnements apportés aux structures du genre des plates-formes pour travaux sous-marins
|
US3481610A
(en)
|
1967-06-02 |
1969-12-02 |
Bowen Tools Inc |
Seal valve assembly
|
US3492007A
(en)
|
1967-06-07 |
1970-01-27 |
Regan Forge & Eng Co |
Load balancing full opening and rotating blowout preventer apparatus
|
US3452815A
(en)
|
1967-07-31 |
1969-07-01 |
Regan Forge & Eng Co |
Latching mechanism
|
US3493043A
(en)
|
1967-08-09 |
1970-02-03 |
Regan Forge & Eng Co |
Mono guide line apparatus and method
|
US3561723A
(en)
|
1968-05-07 |
1971-02-09 |
Edward T Cugini |
Stripping and blow-out preventer device
|
US3503460A
(en)
|
1968-07-03 |
1970-03-31 |
Byron Jackson Inc |
Pipe handling and centering apparatus for well drilling rigs
|
US3476195A
(en)
|
1968-11-15 |
1969-11-04 |
Hughes Tool Co |
Lubricant relief valve for rock bits
|
US3603409A
(en)
|
1969-03-27 |
1971-09-07 |
Regan Forge & Eng Co |
Method and apparatus for balancing subsea internal and external well pressures
|
US3529835A
(en)
|
1969-05-15 |
1970-09-22 |
Hydril Co |
Kelly packer and lubricator
|
US3661409A
(en)
|
1969-08-14 |
1972-05-09 |
Gray Tool Co |
Multi-segment clamp
|
US3587734A
(en)
|
1969-09-08 |
1971-06-28 |
Shafco Ind Inc |
Adapter for converting a stationary blowout preventer to a rotary blowout preventer
|
US3638721A
(en)
|
1969-12-10 |
1972-02-01 |
Exxon Production Research Co |
Flexible connection for rotating blowout preventer
|
US3621912A
(en)
|
1969-12-10 |
1971-11-23 |
Exxon Production Research Co |
Remotely operated rotating wellhead
|
US3638742A
(en)
|
1970-01-06 |
1972-02-01 |
William A Wallace |
Well bore seal apparatus for closed fluid circulation assembly
|
US3631834A
(en)
|
1970-01-26 |
1972-01-04 |
Waukesha Bearings Corp |
Pressure-balancing oil system for stern tubes of ships
|
US3664376A
(en)
|
1970-01-26 |
1972-05-23 |
Regan Forge & Eng Co |
Flow line diverter apparatus
|
US3667721A
(en)
|
1970-04-13 |
1972-06-06 |
Rucker Co |
Blowout preventer
|
US3583480A
(en)
|
1970-06-10 |
1971-06-08 |
Regan Forge & Eng Co |
Method of providing a removable packing insert in a subsea stationary blowout preventer apparatus
|
US3677353A
(en)
|
1970-07-15 |
1972-07-18 |
Cameron Iron Works Inc |
Apparatus for controlling well pressure
|
US3653350A
(en)
|
1970-12-04 |
1972-04-04 |
Waukesha Bearings Corp |
Pressure balancing oil system for stern tubes of ships
|
US3971576A
(en)
|
1971-01-04 |
1976-07-27 |
Mcevoy Oilfield Equipment Co. |
Underwater well completion method and apparatus
|
US3800869A
(en)
|
1971-01-04 |
1974-04-02 |
Rockwell International Corp |
Underwater well completion method and apparatus
|
US3741296A
(en)
|
1971-06-14 |
1973-06-26 |
Hydril Co |
Replacement of sub sea blow out preventer packing units
|
US3779313A
(en)
|
1971-07-01 |
1973-12-18 |
Regan Forge & Eng Co |
Le connecting apparatus for subsea wellhead
|
US3724862A
(en)
|
1971-08-21 |
1973-04-03 |
M Biffle |
Drill head and sealing apparatus therefore
|
US3872717A
(en)
|
1972-01-03 |
1975-03-25 |
Nathaniel S Fox |
Soil testing method and apparatus
|
US3815673A
(en)
|
1972-02-16 |
1974-06-11 |
Exxon Production Research Co |
Method and apparatus for controlling hydrostatic pressure gradient in offshore drilling operations
|
US3827511A
(en)
|
1972-12-18 |
1974-08-06 |
Cameron Iron Works Inc |
Apparatus for controlling well pressure
|
US3965987A
(en)
|
1973-03-08 |
1976-06-29 |
Dresser Industries, Inc. |
Method of sealing the annulus between a toolstring and casing head
|
US3868832A
(en)
|
1973-03-08 |
1975-03-04 |
Morris S Biffle |
Rotary drilling head assembly
|
JPS5233259B2
(de)
|
1974-04-26 |
1977-08-26 |
|
|
JPS516083A
(en)
|
1974-07-03 |
1976-01-19 |
Nippon Kokan Kk |
Ryutaino morekenchisochi
|
US3924678A
(en)
|
1974-07-15 |
1975-12-09 |
Vetco Offshore Ind Inc |
Casing hanger and packing running apparatus
|
US3934887A
(en)
|
1975-01-30 |
1976-01-27 |
Dresser Industries, Inc. |
Rotary drilling head assembly
|
US3952526A
(en)
|
1975-02-03 |
1976-04-27 |
Regan Offshore International, Inc. |
Flexible supportive joint for sub-sea riser flotation means
|
US4052703A
(en)
|
1975-05-05 |
1977-10-04 |
Automatic Terminal Information Systems, Inc. |
Intelligent multiplex system for subsurface wells
|
US3984990A
(en)
|
1975-06-09 |
1976-10-12 |
Regan Offshore International, Inc. |
Support means for a well riser or the like
|
US3955622A
(en)
|
1975-06-09 |
1976-05-11 |
Regan Offshore International, Inc. |
Dual drill string orienting apparatus and method
|
US3992889A
(en)
|
1975-06-09 |
1976-11-23 |
Regan Offshore International, Inc. |
Flotation means for subsea well riser
|
US4046191A
(en)
|
1975-07-07 |
1977-09-06 |
Exxon Production Research Company |
Subsea hydraulic choke
|
US4063602A
(en)
|
1975-08-13 |
1977-12-20 |
Exxon Production Research Company |
Drilling fluid diverter system
|
US3976148A
(en)
|
1975-09-12 |
1976-08-24 |
The Offshore Company |
Method and apparatus for determining onboard a heaving vessel the flow rate of drilling fluid flowing out of a wellhole and into a telescoping marine riser connecting between the wellhouse and the vessel
|
US3999766A
(en)
|
1975-11-28 |
1976-12-28 |
General Electric Company |
Dynamoelectric machine shaft seal
|
FR2356064A1
(fr)
|
1976-02-09 |
1978-01-20 |
Commissariat Energie Atomique |
Dispositif d'etancheite pour sortie d'arbre de machine tournante
|
US4098341A
(en)
|
1977-02-28 |
1978-07-04 |
Hydril Company |
Rotating blowout preventer apparatus
|
US4183562A
(en)
|
1977-04-01 |
1980-01-15 |
Regan Offshore International, Inc. |
Marine riser conduit section coupling means
|
US4099583A
(en)
|
1977-04-11 |
1978-07-11 |
Exxon Production Research Company |
Gas lift system for marine drilling riser
|
US4091881A
(en)
|
1977-04-11 |
1978-05-30 |
Exxon Production Research Company |
Artificial lift system for marine drilling riser
|
GB1600740A
(en)
|
1977-04-23 |
1981-10-21 |
Brown Bros & Co Ltd |
Tensioner device for offshore oil production and exploration platfroms
|
US4109712A
(en)
|
1977-08-01 |
1978-08-29 |
Regan Offshore International, Inc. |
Safety apparatus for automatically sealing hydraulic lines within a sub-sea well casing
|
US4149603A
(en)
|
1977-09-06 |
1979-04-17 |
Arnold James F |
Riserless mud return system
|
US4216835A
(en)
|
1977-09-07 |
1980-08-12 |
Nelson Norman A |
System for connecting an underwater platform to an underwater floor
|
US4157186A
(en)
|
1977-10-17 |
1979-06-05 |
Murray Donnie L |
Heavy duty rotating blowout preventor
|
US4208056A
(en)
|
1977-10-18 |
1980-06-17 |
Biffle Morris S |
Rotating blowout preventor with index kelly drive bushing and stripper rubber
|
US4154448A
(en)
|
1977-10-18 |
1979-05-15 |
Biffle Morris S |
Rotating blowout preventor with rigid washpipe
|
US4222590A
(en)
|
1978-02-02 |
1980-09-16 |
Regan Offshore International, Inc. |
Equally tensioned coupling apparatus
|
US4200312A
(en)
|
1978-02-06 |
1980-04-29 |
Regan Offshore International, Inc. |
Subsea flowline connector
|
US4143881A
(en)
|
1978-03-23 |
1979-03-13 |
Dresser Industries, Inc. |
Lubricant cooled rotary drill head seal
|
US4143880A
(en)
|
1978-03-23 |
1979-03-13 |
Dresser Industries, Inc. |
Reverse pressure activated rotary drill head seal
|
CA1081686A
(en)
|
1978-05-01 |
1980-07-15 |
Percy W. Schumacher, Jr. |
Drill bit air clearing system
|
US4249600A
(en)
|
1978-06-06 |
1981-02-10 |
Brown Oil Tools, Inc. |
Double cylinder system
|
US4336840A
(en)
|
1978-06-06 |
1982-06-29 |
Hughes Tool Company |
Double cylinder system
|
US4384724A
(en)
|
1978-08-17 |
1983-05-24 |
Derman Karl G E |
Sealing device
|
US4282939A
(en)
|
1979-06-20 |
1981-08-11 |
Exxon Production Research Company |
Method and apparatus for compensating well control instrumentation for the effects of vessel heave
|
US4436157A
(en)
*
|
1979-08-06 |
1984-03-13 |
Baker International Corporation |
Latch mechanism for subsea test tree
|
US4509405A
(en)
|
1979-08-20 |
1985-04-09 |
Nl Industries, Inc. |
Control valve system for blowout preventers
|
US4281724A
(en)
|
1979-08-24 |
1981-08-04 |
Smith International, Inc. |
Drilling head
|
US4285406A
(en)
|
1979-08-24 |
1981-08-25 |
Smith International, Inc. |
Drilling head
|
US4293047A
(en)
|
1979-08-24 |
1981-10-06 |
Smith International, Inc. |
Drilling head
|
US4304310A
(en)
|
1979-08-24 |
1981-12-08 |
Smith International, Inc. |
Drilling head
|
US4480703A
(en)
|
1979-08-24 |
1984-11-06 |
Smith International, Inc. |
Drilling head
|
US4291768A
(en)
|
1980-01-14 |
1981-09-29 |
W-K-M Wellhead Systems, Inc. |
Packing assembly for wellheads
|
US4291772A
(en)
|
1980-03-25 |
1981-09-29 |
Standard Oil Company (Indiana) |
Drilling fluid bypass for marine riser
|
US4313054A
(en)
|
1980-03-31 |
1982-01-26 |
Carrier Corporation |
Part load calculator
|
US4310058A
(en)
|
1980-04-28 |
1982-01-12 |
Otis Engineering Corporation |
Well drilling method
|
US4386667A
(en)
|
1980-05-01 |
1983-06-07 |
Hughes Tool Company |
Plunger lubricant compensator for an earth boring drill bit
|
US4312404A
(en)
|
1980-05-01 |
1982-01-26 |
Lynn International Inc. |
Rotating blowout preventer
|
US4326584A
(en)
|
1980-08-04 |
1982-04-27 |
Regan Offshore International, Inc. |
Kelly packing and stripper seal protection element
|
US4355784A
(en)
|
1980-08-04 |
1982-10-26 |
Warren Automatic Tool Company |
Method and apparatus for controlling back pressure
|
US4363357A
(en)
|
1980-10-09 |
1982-12-14 |
Hunter Joseph M |
Rotary drilling head
|
US4361185A
(en)
|
1980-10-31 |
1982-11-30 |
Biffle John M |
Stripper rubber for rotating blowout preventors
|
US4353420A
(en)
|
1980-10-31 |
1982-10-12 |
Cameron Iron Works, Inc. |
Wellhead apparatus and method of running same
|
US4367795A
(en)
|
1980-10-31 |
1983-01-11 |
Biffle Morris S |
Rotating blowout preventor with improved seal assembly
|
US4383577A
(en)
|
1981-02-10 |
1983-05-17 |
Pruitt Alfred B |
Rotating head for air, gas and mud drilling
|
US4387771A
(en)
|
1981-02-17 |
1983-06-14 |
Jones Darrell L |
Wellhead system for exploratory wells
|
US4398599A
(en)
|
1981-02-23 |
1983-08-16 |
Chickasha Rentals, Inc. |
Rotating blowout preventor with adaptor
|
US4378849A
(en)
|
1981-02-27 |
1983-04-05 |
Wilks Joe A |
Blowout preventer with mechanically operated relief valve
|
US4345769A
(en)
|
1981-03-16 |
1982-08-24 |
Washington Rotating Control Heads, Inc. |
Drilling head assembly seal
|
US4335791A
(en)
|
1981-04-06 |
1982-06-22 |
Evans Robert F |
Pressure compensator and lubricating reservoir with improved response to substantial pressure changes and adverse environment
|
US4337653A
(en)
|
1981-04-29 |
1982-07-06 |
Koomey, Inc. |
Blowout preventer control and recorder system
|
US4349204A
(en)
|
1981-04-29 |
1982-09-14 |
Lynes, Inc. |
Non-extruding inflatable packer assembly
|
JPS5825036Y2
(ja)
|
1981-05-29 |
1983-05-28 |
塚本精機株式会社 |
回転掘削工具の圧力補償装置
|
US4423776A
(en)
|
1981-06-25 |
1984-01-03 |
Wagoner E Dewayne |
Drilling head assembly
|
US4457489A
(en)
|
1981-07-13 |
1984-07-03 |
Gilmore Samuel E |
Subsea fluid conduit connections for remote controlled valves
|
US4440239A
(en)
|
1981-09-28 |
1984-04-03 |
Exxon Production Research Co. |
Method and apparatus for controlling the flow of drilling fluid in a wellbore
|
US4424861A
(en)
|
1981-10-08 |
1984-01-10 |
Halliburton Company |
Inflatable anchor element and packer employing same
|
US4413653A
(en)
|
1981-10-08 |
1983-11-08 |
Halliburton Company |
Inflation anchor
|
US4406333A
(en)
|
1981-10-13 |
1983-09-27 |
Adams Johnie R |
Rotating head for rotary drilling rigs
|
US4441551A
(en)
|
1981-10-15 |
1984-04-10 |
Biffle Morris S |
Modified rotating head assembly for rotating blowout preventors
|
US4526243A
(en)
|
1981-11-23 |
1985-07-02 |
Smith International, Inc. |
Drilling head
|
US4497592A
(en)
|
1981-12-01 |
1985-02-05 |
Armco Inc. |
Self-levelling underwater structure
|
US4416340A
(en)
|
1981-12-24 |
1983-11-22 |
Smith International, Inc. |
Rotary drilling head
|
US4615544A
(en)
|
1982-02-16 |
1986-10-07 |
Smith International, Inc. |
Subsea wellhead system
|
US4488740A
(en)
|
1982-02-19 |
1984-12-18 |
Smith International, Inc. |
Breech block hanger support
|
US4427072A
(en)
|
1982-05-21 |
1984-01-24 |
Armco Inc. |
Method and apparatus for deep underwater well drilling and completion
|
US4500094A
(en)
|
1982-05-24 |
1985-02-19 |
Biffle Morris S |
High pressure rotary stripper
|
FR2528106A1
(fr)
|
1982-06-08 |
1983-12-09 |
Chaudot Gerard |
Systeme de production des gisements sous-marins de fluides, destine a permettre la production et d'augmenter la recuperation des fluides en place, avec regulation de debit
|
US4440232A
(en)
|
1982-07-26 |
1984-04-03 |
Koomey, Inc. |
Well pressure compensation for blowout preventers
|
US4448255A
(en)
|
1982-08-17 |
1984-05-15 |
Shaffer Donald U |
Rotary blowout preventer
|
US4439068A
(en)
|
1982-09-23 |
1984-03-27 |
Armco Inc. |
Releasable guide post mount and method for recovering guide posts by remote operations
|
US4502534A
(en)
|
1982-12-13 |
1985-03-05 |
Hydril Company |
Flow diverter
|
US4456062A
(en)
|
1982-12-13 |
1984-06-26 |
Hydril Company |
Flow diverter
|
US4444250A
(en)
|
1982-12-13 |
1984-04-24 |
Hydril Company |
Flow diverter
|
US4444401A
(en)
|
1982-12-13 |
1984-04-24 |
Hydril Company |
Flow diverter seal with respective oblong and circular openings
|
US4456063A
(en)
|
1982-12-13 |
1984-06-26 |
Hydril Company |
Flow diverter
|
US4566494A
(en)
|
1983-01-17 |
1986-01-28 |
Hydril Company |
Vent line system
|
US4478287A
(en)
|
1983-01-27 |
1984-10-23 |
Hydril Company |
Well control method and apparatus
|
US4630680A
(en)
|
1983-01-27 |
1986-12-23 |
Hydril Company |
Well control method and apparatus
|
US4484753A
(en)
|
1983-01-31 |
1984-11-27 |
Nl Industries, Inc. |
Rotary shaft seal
|
US4745970A
(en)
|
1983-02-23 |
1988-05-24 |
Arkoma Machine Shop |
Rotating head
|
USD282073S
(en)
|
1983-02-23 |
1986-01-07 |
Arkoma Machine Shop, Inc. |
Rotating head for drilling
|
US4531593A
(en)
|
1983-03-11 |
1985-07-30 |
Elliott Guy R B |
Substantially self-powered fluid turbines
|
US4529210A
(en)
|
1983-04-01 |
1985-07-16 |
Biffle Morris S |
Drilling media injection for rotating blowout preventors
|
US4531580A
(en)
|
1983-07-07 |
1985-07-30 |
Cameron Iron Works, Inc. |
Rotating blowout preventers
|
US4531591A
(en)
|
1983-08-24 |
1985-07-30 |
Washington Rotating Control Heads |
Drilling head method and apparatus
|
US4524832A
(en)
|
1983-11-30 |
1985-06-25 |
Hydril Company |
Diverter/BOP system and method for a bottom supported offshore drilling rig
|
US4597447A
(en)
|
1983-11-30 |
1986-07-01 |
Hydril Company |
Diverter/bop system and method for a bottom supported offshore drilling rig
|
US4531951A
(en)
|
1983-12-19 |
1985-07-30 |
Cellu Products Company |
Method and apparatus for recovering blowing agent in foam production
|
US4546828A
(en)
|
1984-01-10 |
1985-10-15 |
Hydril Company |
Diverter system and blowout preventer
|
US4832126A
(en)
|
1984-01-10 |
1989-05-23 |
Hydril Company |
Diverter system and blowout preventer
|
US4828024A
(en)
|
1984-01-10 |
1989-05-09 |
Hydril Company |
Diverter system and blowout preventer
|
US4553429A
(en)
|
1984-02-09 |
1985-11-19 |
Exxon Production Research Co. |
Method and apparatus for monitoring fluid flow between a borehole and the surrounding formations in the course of drilling operations
|
US4486025A
(en)
|
1984-03-05 |
1984-12-04 |
Washington Rotating Control Heads, Inc. |
Stripper packer
|
US4533003A
(en)
|
1984-03-08 |
1985-08-06 |
A-Z International Company |
Drilling apparatus and cutter therefor
|
US4553591A
(en)
|
1984-04-12 |
1985-11-19 |
Mitchell Richard T |
Oil well drilling apparatus
|
US4575426A
(en)
|
1984-06-19 |
1986-03-11 |
Exxon Production Research Co. |
Method and apparatus employing oleophilic brushes for oil spill clean-up
|
US4595343A
(en)
|
1984-09-12 |
1986-06-17 |
Baker Drilling Equipment Company |
Remote mud pump control apparatus
|
DE3433793A1
(de)
|
1984-09-14 |
1986-03-27 |
Samson Ag, 6000 Frankfurt |
Umlaufender bohrkopf
|
US4623020A
(en)
|
1984-09-25 |
1986-11-18 |
Cactus Wellhead Equipment Co., Inc. |
Communication joint for use in a well
|
US4610319A
(en)
|
1984-10-15 |
1986-09-09 |
Kalsi Manmohan S |
Hydrodynamic lubricant seal for drill bits
|
US4626135A
(en)
|
1984-10-22 |
1986-12-02 |
Hydril Company |
Marine riser well control method and apparatus
|
US4618314A
(en)
|
1984-11-09 |
1986-10-21 |
Hailey Charles D |
Fluid injection apparatus and method used between a blowout preventer and a choke manifold
|
US4646844A
(en)
|
1984-12-24 |
1987-03-03 |
Hydril Company |
Diverter/bop system and method for a bottom supported offshore drilling rig
|
US4712620A
(en)
|
1985-01-31 |
1987-12-15 |
Vetco Gray Inc. |
Upper marine riser package
|
US4621655A
(en)
|
1985-03-04 |
1986-11-11 |
Hydril Company |
Marine riser fill-up valve
|
CA1252384A
(en)
|
1985-04-04 |
1989-04-11 |
Stephen H. Barkley |
Wellhead connecting apparatus
|
DK150665C
(da)
|
1985-04-11 |
1987-11-30 |
Einar Dyhr |
Drosselventil til regujlering af gennemstroemning og dermed bagtryk i
|
US4611661A
(en)
|
1985-04-15 |
1986-09-16 |
Vetco Offshore Industries, Inc. |
Retrievable exploration guide base/completion guide base system
|
US4690220A
(en)
|
1985-05-01 |
1987-09-01 |
Texas Iron Works, Inc. |
Tubular member anchoring arrangement and method
|
US4651830A
(en)
|
1985-07-03 |
1987-03-24 |
Cameron Iron Works, Inc. |
Marine wellhead structure
|
DE3526283A1
(de)
|
1985-07-23 |
1987-02-05 |
Kleinewefers Gmbh |
Durchbiegungssteuerbare und beheizbare walze
|
US4660863A
(en)
|
1985-07-24 |
1987-04-28 |
A-Z International Tool Company |
Casing patch seal
|
US4646826A
(en)
|
1985-07-29 |
1987-03-03 |
A-Z International Tool Company |
Well string cutting apparatus
|
US4632188A
(en)
|
1985-09-04 |
1986-12-30 |
Atlantic Richfield Company |
Subsea wellhead apparatus
|
US4719937A
(en)
|
1985-11-29 |
1988-01-19 |
Hydril Company |
Marine riser anti-collapse valve
|
US4722615A
(en)
|
1986-04-14 |
1988-02-02 |
A-Z International Tool Company |
Drilling apparatus and cutter therefor
|
US4754820A
(en)
|
1986-06-18 |
1988-07-05 |
Drilex Systems, Inc. |
Drilling head with bayonet coupling
|
US4783084A
(en)
|
1986-07-21 |
1988-11-08 |
Biffle Morris S |
Head for a rotating blowout preventor
|
US4865137A
(en)
|
1986-08-13 |
1989-09-12 |
Drilex Systems, Inc. |
Drilling apparatus and cutter
|
US4727942A
(en)
|
1986-11-05 |
1988-03-01 |
Hughes Tool Company |
Compensator for earth boring bits
|
US5028056A
(en)
|
1986-11-24 |
1991-07-02 |
The Gates Rubber Company |
Fiber composite sealing element
|
US4736799A
(en)
|
1987-01-14 |
1988-04-12 |
Cameron Iron Works Usa, Inc. |
Subsea tubing hanger
|
US4759413A
(en)
|
1987-04-13 |
1988-07-26 |
Drilex Systems, Inc. |
Method and apparatus for setting an underwater drilling system
|
US4765404A
(en)
|
1987-04-13 |
1988-08-23 |
Drilex Systems, Inc. |
Whipstock packer assembly
|
US4749035A
(en)
|
1987-04-30 |
1988-06-07 |
Cameron Iron Works Usa, Inc. |
Tubing packer
|
US4813495A
(en)
|
1987-05-05 |
1989-03-21 |
Conoco Inc. |
Method and apparatus for deepwater drilling
|
US4825938A
(en)
|
1987-08-03 |
1989-05-02 |
Kenneth Davis |
Rotating blowout preventor for drilling rig
|
US4807705A
(en)
|
1987-09-11 |
1989-02-28 |
Cameron Iron Works Usa, Inc. |
Casing hanger with landing shoulder seal insert
|
US4882830A
(en)
|
1987-10-07 |
1989-11-28 |
Carstensen Kenneth J |
Method for improving the integrity of coupling sections in high performance tubing and casing
|
US4822212A
(en)
|
1987-10-28 |
1989-04-18 |
Amoco Corporation |
Subsea template and method for using the same
|
US4844406A
(en)
|
1988-02-09 |
1989-07-04 |
Double-E Inc. |
Blowout preventer
|
US4836289A
(en)
|
1988-02-11 |
1989-06-06 |
Southland Rentals, Inc. |
Method and apparatus for performing wireline operations in a well
|
US4817724A
(en)
|
1988-08-19 |
1989-04-04 |
Vetco Gray Inc. |
Diverter system test tool and method
|
US5035292A
(en)
|
1989-01-11 |
1991-07-30 |
Masx Energy Service Group, Inc. |
Whipstock starter mill with pressure drop tattletale
|
US4909327A
(en)
|
1989-01-25 |
1990-03-20 |
Hydril Company |
Marine riser
|
US4971148A
(en)
|
1989-01-30 |
1990-11-20 |
Hydril Company |
Flow diverter
|
US4955949A
(en)
|
1989-02-01 |
1990-09-11 |
Drilex Systems, Inc. |
Mud saver valve with increased flow check valve
|
US4962819A
(en)
|
1989-02-01 |
1990-10-16 |
Drilex Systems, Inc. |
Mud saver valve with replaceable inner sleeve
|
US5082020A
(en)
|
1989-02-21 |
1992-01-21 |
Masx Energy Services Group, Inc. |
Valve body for oilfield applications
|
US5040600A
(en)
|
1989-02-21 |
1991-08-20 |
Drilex Systems, Inc. |
Geothermal wellhead repair unit
|
US5062450A
(en)
|
1989-02-21 |
1991-11-05 |
Masx Energy Services Group, Inc. |
Valve body for oilfield applications
|
US4984636A
(en)
|
1989-02-21 |
1991-01-15 |
Drilex Systems, Inc. |
Geothermal wellhead repair unit
|
US5009265A
(en)
|
1989-09-07 |
1991-04-23 |
Drilex Systems, Inc. |
Packer for wellhead repair unit
|
US4949796A
(en)
|
1989-03-07 |
1990-08-21 |
Williams John R |
Drilling head seal assembly
|
DE3921756C1
(de)
|
1989-07-01 |
1991-01-03 |
Teldix Gmbh, 6900 Heidelberg, De |
|
US4995464A
(en)
|
1989-08-25 |
1991-02-26 |
Dril-Quip, Inc. |
Well apparatus and method
|
US5147559A
(en)
|
1989-09-26 |
1992-09-15 |
Brophey Robert W |
Controlling cone of depression in a well by microprocessor control of modulating valve
|
GB8925075D0
(en)
|
1989-11-07 |
1989-12-28 |
British Petroleum Co Plc |
Sub-sea well injection system
|
US5022472A
(en)
|
1989-11-14 |
1991-06-11 |
Masx Energy Services Group, Inc. |
Hydraulic clamp for rotary drilling head
|
US4955436A
(en)
|
1989-12-18 |
1990-09-11 |
Johnston Vaughn R |
Seal apparatus
|
US5076364A
(en)
|
1990-03-30 |
1991-12-31 |
Shell Oil Company |
Gas hydrate inhibition
|
US5062479A
(en)
|
1990-07-31 |
1991-11-05 |
Masx Energy Services Group, Inc. |
Stripper rubbers for drilling heads
|
US5048621A
(en)
|
1990-08-10 |
1991-09-17 |
Masx Energy Services Group, Inc. |
Adjustable bent housing for controlled directional drilling
|
US5154231A
(en)
|
1990-09-19 |
1992-10-13 |
Masx Energy Services Group, Inc. |
Whipstock assembly with hydraulically set anchor
|
US5137084A
(en)
|
1990-12-20 |
1992-08-11 |
The Sydco System, Inc. |
Rotating head
|
US5101897A
(en)
|
1991-01-14 |
1992-04-07 |
Camco International Inc. |
Slip mechanism for a well tool
|
US5072795A
(en)
|
1991-01-22 |
1991-12-17 |
Camco International Inc. |
Pressure compensator for drill bit lubrication system
|
US5184686A
(en)
|
1991-05-03 |
1993-02-09 |
Shell Offshore Inc. |
Method for offshore drilling utilizing a two-riser system
|
US5195754A
(en)
|
1991-05-20 |
1993-03-23 |
Kalsi Engineering, Inc. |
Laterally translating seal carrier for a drilling mud motor sealed bearing assembly
|
US5224557A
(en)
|
1991-07-22 |
1993-07-06 |
Folsom Metal Products, Inc. |
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
|
US5178215A
(en)
|
1991-07-22 |
1993-01-12 |
Folsom Metal Products, Inc. |
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
|
US5165480A
(en)
|
1991-08-01 |
1992-11-24 |
Camco International Inc. |
Method and apparatus of locking closed a subsurface safety system
|
US5163514A
(en)
|
1991-08-12 |
1992-11-17 |
Abb Vetco Gray Inc. |
Blowout preventer isolation test tool
|
GB9119563D0
(en)
|
1991-09-13 |
1991-10-23 |
Rig Technology Ltd |
Improvements in and relating to drilling platforms
|
US5215151A
(en)
|
1991-09-26 |
1993-06-01 |
Cudd Pressure Control, Inc. |
Method and apparatus for drilling bore holes under pressure
|
US5213158A
(en)
|
1991-12-20 |
1993-05-25 |
Masx Entergy Services Group, Inc. |
Dual rotating stripper rubber drilling head
|
US5182979A
(en)
|
1992-03-02 |
1993-02-02 |
Caterpillar Inc. |
Linear position sensor with equalizing means
|
US5230520A
(en)
|
1992-03-13 |
1993-07-27 |
Kalsi Engineering, Inc. |
Hydrodynamically lubricated rotary shaft seal having twist resistant geometry
|
US5255745A
(en)
|
1992-06-18 |
1993-10-26 |
Cooper Industries, Inc. |
Remotely operable horizontal connection apparatus and method
|
US5325925A
(en)
|
1992-06-26 |
1994-07-05 |
Ingram Cactus Company |
Sealing method and apparatus for wellheads
|
US5251869A
(en)
|
1992-07-16 |
1993-10-12 |
Mason Benny M |
Rotary blowout preventer
|
US5647444A
(en)
|
1992-09-18 |
1997-07-15 |
Williams; John R. |
Rotating blowout preventor
|
US5662181A
(en)
|
1992-09-30 |
1997-09-02 |
Williams; John R. |
Rotating blowout preventer
|
US5322137A
(en)
|
1992-10-22 |
1994-06-21 |
The Sydco System |
Rotating head with elastomeric member rotating assembly
|
US5335737A
(en)
|
1992-11-19 |
1994-08-09 |
Smith International, Inc. |
Retrievable whipstock
|
US5305839A
(en)
|
1993-01-19 |
1994-04-26 |
Masx Energy Services Group, Inc. |
Turbine pump ring for drilling heads
|
US5348107A
(en)
|
1993-02-26 |
1994-09-20 |
Smith International, Inc. |
Pressure balanced inner chamber of a drilling head
|
US5320325A
(en)
|
1993-08-02 |
1994-06-14 |
Hydril Company |
Position instrumented blowout preventer
|
US5375476A
(en)
|
1993-09-30 |
1994-12-27 |
Wetherford U.S., Inc. |
Stuck pipe locator system
|
US5495872A
(en)
|
1994-01-31 |
1996-03-05 |
Integrity Measurement Partners |
Flow conditioner for more accurate measurement of fluid flow
|
US5431220A
(en)
|
1994-03-24 |
1995-07-11 |
Smith International, Inc. |
Whipstock starter mill assembly
|
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
|
US5607019A
(en)
|
1995-04-10 |
1997-03-04 |
Abb Vetco Gray Inc. |
Adjustable mandrel hanger for a jackup drilling rig
|
DE19517915A1
(de)
|
1995-05-16 |
1996-11-21 |
Elringklinger Gmbh |
Verfahren zur Herstellung von elastomerbeschichteten Metallagendichtungen
|
US5671812A
(en)
|
1995-05-25 |
1997-09-30 |
Abb Vetco Gray Inc. |
Hydraulic pressure assisted casing tensioning system
|
EP0835398B1
(de)
|
1995-06-27 |
2004-11-24 |
Kalsi Engineering, Inc. |
Versetzung und torsionsfeste hydrodynamische wellendichtung
|
US5755372A
(en)
|
1995-07-20 |
1998-05-26 |
Ocean Engineering & Manufacturing, Inc. |
Self monitoring oil pump seal
|
US5588491A
(en)
|
1995-08-10 |
1996-12-31 |
Varco Shaffer, Inc. |
Rotating blowout preventer and method
|
US6170576B1
(en)
|
1995-09-22 |
2001-01-09 |
Weatherford/Lamb, Inc. |
Mills for wellbore operations
|
US5657820A
(en)
|
1995-12-14 |
1997-08-19 |
Smith International, Inc. |
Two trip window cutting system
|
US5738358A
(en)
|
1996-01-02 |
1998-04-14 |
Kalsi Engineering, Inc. |
Extrusion resistant hydrodynamically lubricated multiple modulus rotary shaft seal
|
US5829531A
(en)
|
1996-01-31 |
1998-11-03 |
Smith International, Inc. |
Mechanical set anchor with slips pocket
|
US5823541A
(en)
|
1996-03-12 |
1998-10-20 |
Kalsi Engineering, Inc. |
Rod seal cartridge for progressing cavity artificial lift pumps
|
US5816324A
(en)
|
1996-05-03 |
1998-10-06 |
Smith International, Inc. |
Whipstock accelerator ramp
|
US5678829A
(en)
|
1996-06-07 |
1997-10-21 |
Kalsi Engineering, Inc. |
Hydrodynamically lubricated rotary shaft seal with environmental side groove
|
WO1998007956A1
(en)
|
1996-08-23 |
1998-02-26 |
Caraway Miles F |
Rotating blowout preventor
|
US5735502A
(en)
|
1996-12-18 |
1998-04-07 |
Varco Shaffer, Inc. |
BOP with partially equalized ram shafts
|
US5848643A
(en)
|
1996-12-19 |
1998-12-15 |
Hydril Company |
Rotating blowout preventer
|
US5901964A
(en)
|
1997-02-06 |
1999-05-11 |
John R. Williams |
Seal for a longitudinally movable drillstring component
|
US6007105A
(en)
|
1997-02-07 |
1999-12-28 |
Kalsi Engineering, Inc. |
Swivel seal assembly
|
US6109618A
(en)
|
1997-05-07 |
2000-08-29 |
Kalsi Engineering, Inc. |
Rotary seal with enhanced lubrication and contaminant flushing
|
US6050348A
(en)
|
1997-06-17 |
2000-04-18 |
Canrig Drilling Technology Ltd. |
Drilling method and apparatus
|
US5846028A
(en)
|
1997-08-01 |
1998-12-08 |
Hydralift, Inc. |
Controlled pressure multi-cylinder riser tensioner and method
|
US6213228B1
(en)
|
1997-08-08 |
2001-04-10 |
Dresser Industries Inc. |
Roller cone drill bit with improved pressure compensation
|
US6536520B1
(en)
|
2000-04-17 |
2003-03-25 |
Weatherford/Lamb, Inc. |
Top drive casing system
|
US6016880A
(en)
*
|
1997-10-02 |
2000-01-25 |
Abb Vetco Gray Inc. |
Rotating drilling head with spaced apart seals
|
US5944111A
(en)
|
1997-11-21 |
1999-08-31 |
Abb Vetco Gray Inc. |
Internal riser tensioning system
|
US6273193B1
(en)
|
1997-12-16 |
2001-08-14 |
Transocean Sedco Forex, Inc. |
Dynamically positioned, concentric riser, drilling method and apparatus
|
US6017168A
(en)
|
1997-12-22 |
2000-01-25 |
Abb Vetco Gray Inc. |
Fluid assist bearing for telescopic joint of a RISER system
|
US6263982B1
(en)
|
1998-03-02 |
2001-07-24 |
Weatherford Holding U.S., Inc. |
Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling
|
US6138774A
(en)
|
1998-03-02 |
2000-10-31 |
Weatherford Holding U.S., Inc. |
Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment
|
US6913092B2
(en)
|
1998-03-02 |
2005-07-05 |
Weatherford/Lamb, Inc. |
Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling
|
US6102673A
(en)
|
1998-03-27 |
2000-08-15 |
Hydril Company |
Subsea mud pump with reduced pulsation
|
US6230824B1
(en)
|
1998-03-27 |
2001-05-15 |
Hydril Company |
Rotating subsea diverter
|
US6325159B1
(en)
|
1998-03-27 |
2001-12-04 |
Hydril Company |
Offshore drilling system
|
US6244359B1
(en)
|
1998-04-06 |
2001-06-12 |
Abb Vetco Gray, Inc. |
Subsea diverter and rotating drilling head
|
US6129152A
(en)
|
1998-04-29 |
2000-10-10 |
Alpine Oil Services Inc. |
Rotating bop and method
|
US6494462B2
(en)
|
1998-05-06 |
2002-12-17 |
Kalsi Engineering, Inc. |
Rotary seal with improved dynamic interface
|
US6209663B1
(en)
|
1998-05-18 |
2001-04-03 |
David G. Hosie |
Underbalanced drill string deployment valve method and apparatus
|
US6334619B1
(en)
|
1998-05-20 |
2002-01-01 |
Kalsi Engineering, Inc. |
Hydrodynamic packing assembly
|
US6767016B2
(en)
|
1998-05-20 |
2004-07-27 |
Jeffrey D. Gobeli |
Hydrodynamic rotary seal with opposed tapering seal lips
|
NO308043B1
(no)
|
1998-05-26 |
2000-07-10 |
Agr Subsea As |
Anordning for å fjerne borekaks og gasser i forbindelse med boring
|
US6227547B1
(en)
|
1998-06-05 |
2001-05-08 |
Kalsi Engineering, Inc. |
High pressure rotary shaft sealing mechanism
|
US7191840B2
(en)
|
2003-03-05 |
2007-03-20 |
Weatherford/Lamb, Inc. |
Casing running and drilling system
|
US6076606A
(en)
|
1998-09-10 |
2000-06-20 |
Weatherford/Lamb, Inc. |
Through-tubing retrievable whipstock system
|
US6202745B1
(en)
|
1998-10-07 |
2001-03-20 |
Dril-Quip, Inc |
Wellhead apparatus
|
US6112810A
(en)
|
1998-10-31 |
2000-09-05 |
Weatherford/Lamb, Inc. |
Remotely controlled assembly for wellbore flow diverter
|
GB2344606B
(en)
|
1998-12-07 |
2003-08-13 |
Shell Int Research |
Forming a wellbore casing by expansion of a tubular member
|
US8682589B2
(en)
*
|
1998-12-21 |
2014-03-25 |
Baker Hughes Incorporated |
Apparatus and method for managing supply of additive at wellsites
|
US6470975B1
(en)
|
1999-03-02 |
2002-10-29 |
Weatherford/Lamb, Inc. |
Internal riser rotating control head
|
US7159669B2
(en)
|
1999-03-02 |
2007-01-09 |
Weatherford/Lamb, Inc. |
Internal riser rotating control head
|
AU4678700A
(en)
|
1999-04-26 |
2000-11-10 |
Kalsi Engineering, Inc. |
Improved skew resisting hydrodynamic seal
|
US6685194B2
(en)
|
1999-05-19 |
2004-02-03 |
Lannie Dietle |
Hydrodynamic rotary seal with varying slope
|
GC0000342A
(en)
|
1999-06-22 |
2007-03-31 |
Shell Int Research |
Drilling system
|
US6504982B1
(en)
|
1999-06-30 |
2003-01-07 |
Alcatel |
Incorporation of UV transparent perlescent pigments to UV curable optical fiber materials
|
US6413297B1
(en)
|
2000-07-27 |
2002-07-02 |
Northland Energy Corporation |
Method and apparatus for treating pressurized drilling fluid returns from a well
|
US6315813B1
(en)
|
1999-11-18 |
2001-11-13 |
Northland Energy Corporation |
Method of treating pressurized drilling fluid returns from a well
|
US6450262B1
(en)
|
1999-12-09 |
2002-09-17 |
Stewart & Stevenson Services, Inc. |
Riser isolation tool
|
US6354385B1
(en)
|
2000-01-10 |
2002-03-12 |
Smith International, Inc. |
Rotary drilling head assembly
|
US6561520B2
(en)
|
2000-02-02 |
2003-05-13 |
Kalsi Engineering, Inc. |
Hydrodynamic rotary coupling seal
|
US6457529B2
(en)
*
|
2000-02-17 |
2002-10-01 |
Abb Vetco Gray Inc. |
Apparatus and method for returning drilling fluid from a subsea wellbore
|
AT410582B
(de)
|
2000-04-10 |
2003-06-25 |
Hoerbiger Ventilwerke Gmbh |
Dichtring-packung
|
US7325610B2
(en)
|
2000-04-17 |
2008-02-05 |
Weatherford/Lamb, Inc. |
Methods and apparatus for handling and drilling with tubulars or casing
|
US6547002B1
(en)
|
2000-04-17 |
2003-04-15 |
Weatherford/Lamb, Inc. |
High pressure rotating drilling head assembly with hydraulically removable packer
|
US6520253B2
(en)
*
|
2000-05-10 |
2003-02-18 |
Abb Vetco Gray Inc. |
Rotating drilling head system with static seals
|
AT410356B
(de)
|
2000-05-17 |
2003-04-25 |
Voest Alpine Bergtechnik |
Einrichtung zum abdichten eines bohrloches und zum ausbringen von bohrklein bzw. gelöstem abbaumaterial
|
CA2311036A1
(en)
|
2000-06-09 |
2001-12-09 |
Oil Lift Technology Inc. |
Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp
|
US6375895B1
(en)
|
2000-06-14 |
2002-04-23 |
Att Technology, Ltd. |
Hardfacing alloy, methods, and products
|
US6581681B1
(en)
|
2000-06-21 |
2003-06-24 |
Weatherford/Lamb, Inc. |
Bridge plug for use in a wellbore
|
US6454007B1
(en)
|
2000-06-30 |
2002-09-24 |
Weatherford/Lamb, Inc. |
Method and apparatus for casing exit system using coiled tubing
|
US6536525B1
(en)
|
2000-09-11 |
2003-03-25 |
Weatherford/Lamb, Inc. |
Methods and apparatus for forming a lateral wellbore
|
US6386291B1
(en)
|
2000-10-12 |
2002-05-14 |
David E. Short |
Subsea wellhead system and method for drilling shallow water flow formations
|
GB2368079B
(en)
|
2000-10-18 |
2005-07-27 |
Renovus Ltd |
Well control
|
GB0026598D0
(en)
|
2000-10-31 |
2000-12-13 |
Coupler Developments Ltd |
Improved drilling methods and apparatus
|
US6554016B2
(en)
|
2000-12-12 |
2003-04-29 |
Northland Energy Corporation |
Rotating blowout preventer with independent cooling circuits and thrust bearing
|
US20020112888A1
(en)
|
2000-12-18 |
2002-08-22 |
Christian Leuchtenberg |
Drilling system and method
|
CA2344627C
(en)
|
2001-04-18 |
2007-08-07 |
Northland Energy Corporation |
Method of dynamically controlling bottom hole circulating pressure in a wellbore
|
US7389183B2
(en)
|
2001-08-03 |
2008-06-17 |
Weatherford/Lamb, Inc. |
Method for determining a stuck point for pipe, and free point logging tool
|
US6851476B2
(en)
|
2001-08-03 |
2005-02-08 |
Weather/Lamb, Inc. |
Dual sensor freepoint tool
|
US7383876B2
(en)
|
2001-08-03 |
2008-06-10 |
Weatherford/Lamb, Inc. |
Cutting tool for use in a wellbore tubular
|
US6725951B2
(en)
|
2001-09-27 |
2004-04-27 |
Diamond Rotating Heads, Inc. |
Erosion resistent drilling head assembly
|
US6655460B2
(en)
|
2001-10-12 |
2003-12-02 |
Weatherford/Lamb, Inc. |
Methods and apparatus to control downhole tools
|
US6896076B2
(en)
|
2001-12-04 |
2005-05-24 |
Abb Vetco Gray Inc. |
Rotating drilling head gripper
|
CA2470653C
(en)
|
2001-12-21 |
2008-08-19 |
Varco I/P, Inc. |
Rotary support table
|
WO2003071091A1
(en)
|
2002-02-20 |
2003-08-28 |
Shell Internationale Research Maatschappij B.V. |
Dynamic annular pressure control apparatus and method
|
US6904981B2
(en)
|
2002-02-20 |
2005-06-14 |
Shell Oil Company |
Dynamic annular pressure control apparatus and method
|
US6720764B2
(en)
*
|
2002-04-16 |
2004-04-13 |
Thomas Energy Services Inc. |
Magnetic sensor system useful for detecting tool joints in a downhold tubing string
|
US6732804B2
(en)
|
2002-05-23 |
2004-05-11 |
Weatherford/Lamb, Inc. |
Dynamic mudcap drilling and well control system
|
US8955619B2
(en)
|
2002-05-28 |
2015-02-17 |
Weatherford/Lamb, Inc. |
Managed pressure drilling
|
GB0213069D0
(en)
|
2002-06-07 |
2002-07-17 |
Stacey Oil Tools Ltd |
Rotating diverter head
|
EP1375817B1
(de)
|
2002-06-24 |
2006-03-08 |
Services Petroliers Schlumberger |
Drosselventil zum Unterdruckbohren
|
US20040017190A1
(en)
|
2002-07-17 |
2004-01-29 |
Mcdearmon Graham F. |
Apparatus and method for absolute angular position sensing
|
US6886631B2
(en)
|
2002-08-05 |
2005-05-03 |
Weatherford/Lamb, Inc. |
Inflation tool with real-time temperature and pressure probes
|
US6945330B2
(en)
|
2002-08-05 |
2005-09-20 |
Weatherford/Lamb, Inc. |
Slickline power control interface
|
US7077212B2
(en)
|
2002-09-20 |
2006-07-18 |
Weatherford/Lamb, Inc. |
Method of hydraulically actuating and mechanically activating a downhole mechanical apparatus
|
US7219729B2
(en)
|
2002-11-05 |
2007-05-22 |
Weatherford/Lamb, Inc. |
Permanent downhole deployment of optical sensors
|
US7451809B2
(en)
|
2002-10-11 |
2008-11-18 |
Weatherford/Lamb, Inc. |
Apparatus and methods for utilizing a downhole deployment valve
|
US7178600B2
(en)
|
2002-11-05 |
2007-02-20 |
Weatherford/Lamb, Inc. |
Apparatus and methods for utilizing a downhole deployment valve
|
US7086481B2
(en)
|
2002-10-11 |
2006-08-08 |
Weatherford/Lamb |
Wellbore isolation apparatus, and method for tripping pipe during underbalanced drilling
|
US7255173B2
(en)
|
2002-11-05 |
2007-08-14 |
Weatherford/Lamb, Inc. |
Instrumentation for a downhole deployment valve
|
US7350590B2
(en)
|
2002-11-05 |
2008-04-01 |
Weatherford/Lamb, Inc. |
Instrumentation for a downhole deployment valve
|
AU2003277408A1
(en)
|
2002-10-18 |
2004-05-04 |
Dril-Quip, Inc. |
Open water running tool and lockdown sleeve assembly
|
US7779903B2
(en)
|
2002-10-31 |
2010-08-24 |
Weatherford/Lamb, Inc. |
Solid rubber packer for a rotating control device
|
US7836946B2
(en)
|
2002-10-31 |
2010-11-23 |
Weatherford/Lamb, Inc. |
Rotating control head radial seal protection and leak detection systems
|
US7487837B2
(en)
|
2004-11-23 |
2009-02-10 |
Weatherford/Lamb, Inc. |
Riser rotating control device
|
US7040394B2
(en)
|
2002-10-31 |
2006-05-09 |
Weatherford/Lamb, Inc. |
Active/passive seal rotating control head
|
US7413018B2
(en)
|
2002-11-05 |
2008-08-19 |
Weatherford/Lamb, Inc. |
Apparatus for wellbore communication
|
US7237623B2
(en)
|
2003-09-19 |
2007-07-03 |
Weatherford/Lamb, Inc. |
Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser
|
EP1519003B1
(de)
|
2003-09-24 |
2007-08-15 |
Cooper Cameron Corporation |
Entfernbare Dichtung
|
US7032691B2
(en)
|
2003-10-30 |
2006-04-25 |
Stena Drilling Ltd. |
Underbalanced well drilling and production
|
US7377334B2
(en)
|
2003-12-17 |
2008-05-27 |
Smith International, Inc. |
Rotating drilling head drive
|
US20050151107A1
(en)
|
2003-12-29 |
2005-07-14 |
Jianchao Shu |
Fluid control system and stem joint
|
US7174956B2
(en)
|
2004-02-11 |
2007-02-13 |
Williams John R |
Stripper rubber adapter
|
US7240727B2
(en)
|
2004-02-20 |
2007-07-10 |
Williams John R |
Armored stripper rubber
|
US7237618B2
(en)
|
2004-02-20 |
2007-07-03 |
Williams John R |
Stripper rubber insert assembly
|
US7243958B2
(en)
|
2004-04-22 |
2007-07-17 |
Williams John R |
Spring-biased pin connection system
|
US7198098B2
(en)
|
2004-04-22 |
2007-04-03 |
Williams John R |
Mechanical connection system
|
US20060037782A1
(en)
|
2004-08-06 |
2006-02-23 |
Martin-Marshall Peter S |
Diverter heads
|
US7380590B2
(en)
|
2004-08-19 |
2008-06-03 |
Sunstone Corporation |
Rotating pressure control head
|
US7926593B2
(en)
|
2004-11-23 |
2011-04-19 |
Weatherford/Lamb, Inc. |
Rotating control device docking station
|
US8826988B2
(en)
|
2004-11-23 |
2014-09-09 |
Weatherford/Lamb, Inc. |
Latch position indicator system and method
|
US7296628B2
(en)
|
2004-11-30 |
2007-11-20 |
Mako Rentals, Inc. |
Downhole swivel apparatus and method
|
DE602005024757D1
(de)
|
2004-11-30 |
2010-12-30 |
Weatherford Lamb |
Nicht-explosiver Zweikomponenteninitiator
|
CN2761817Y
(zh)
*
|
2005-01-21 |
2006-03-01 |
王志刚 |
油管加压起下驱动装置
|
NO324170B1
(no)
|
2005-02-21 |
2007-09-03 |
Agr Subsea As |
Anordning og fremgangsmåte for å frembringe en fluidtett tetning mot en borestang og mot omliggende omgivelser i en havbunninstallasjon
|
NO324167B1
(no)
|
2005-07-13 |
2007-09-03 |
Well Intervention Solutions As |
System og fremgangsmate for dynamisk tetting rundt en borestreng.
|
NO326166B1
(no)
|
2005-07-18 |
2008-10-13 |
Siem Wis As |
Trykkakkumulator for a etablere nodvendig kraft til a betjene og operere eksternt utstyr, samt anvendelase derav
|
US7347261B2
(en)
*
|
2005-09-08 |
2008-03-25 |
Schlumberger Technology Corporation |
Magnetic locator systems and methods of use at a well site
|
US7836976B2
(en)
|
2005-10-20 |
2010-11-23 |
Allied Construction Products, L.L.C. |
Underground piercing tool
|
BR122017010168B1
(pt)
|
2005-10-20 |
2018-06-26 |
Transocean Sedco Forex Ventures Ltd. |
Método para controlar pressão e/ou densidade de um fluido de perfuração
|
US7836973B2
(en)
|
2005-10-20 |
2010-11-23 |
Weatherford/Lamb, Inc. |
Annulus pressure control drilling systems and methods
|
CA2641596C
(en)
|
2006-02-09 |
2012-05-01 |
Weatherford/Lamb, Inc. |
Managed pressure and/or temperature drilling system and method
|
US7392860B2
(en)
|
2006-03-07 |
2008-07-01 |
Johnston Vaughn R |
Stripper rubber on a steel core with an integral sealing gasket
|
CA2596094C
(en)
|
2006-08-08 |
2011-01-18 |
Weatherford/Lamb, Inc. |
Improved milling of cemented tubulars
|
US7699109B2
(en)
*
|
2006-11-06 |
2010-04-20 |
Smith International |
Rotating control device apparatus and method
|
CA2867387C
(en)
*
|
2006-11-07 |
2016-01-05 |
Charles R. Orbell |
Method of drilling with a string sealed in a riser and injecting fluid into a return line
|
US8082988B2
(en)
|
2007-01-16 |
2011-12-27 |
Weatherford/Lamb, Inc. |
Apparatus and method for stabilization of downhole tools
|
US20080236819A1
(en)
|
2007-03-28 |
2008-10-02 |
Weatherford/Lamb, Inc. |
Position sensor for determining operational condition of downhole tool
|
EP2535508B1
(de)
|
2007-04-04 |
2015-04-22 |
Weatherford Technology Holdings, LLC |
Bohrloch-Einsetzventile
|
US20080257544A1
(en)
*
|
2007-04-19 |
2008-10-23 |
Baker Hughes Incorporated |
System and Method for Crossflow Detection and Intervention in Production Wellbores
|
NO326492B1
(no)
|
2007-04-27 |
2008-12-15 |
Siem Wis As |
Tetningsarrangement for dynamisk tetning rundt en borestreng
|
US7743823B2
(en)
|
2007-06-04 |
2010-06-29 |
Sunstone Technologies, Llc |
Force balanced rotating pressure control device
|
NO327556B1
(no)
|
2007-06-21 |
2009-08-10 |
Siem Wis As |
Anordning og fremgangsmate for a opprettholde hovedsakelig konstant trykk pa og stromning av borevaeske i en borestreng
|
EP2415960B1
(de)
|
2007-07-27 |
2017-04-12 |
Weatherford Technology Holdings, LLC |
Bohrsystem und -verfahren mit kontinuierlichem durchfluss
|
NO327281B1
(no)
|
2007-07-27 |
2009-06-02 |
Siem Wis As |
Tetningsarrangement, samt tilhorende fremgangsmate
|
US7665527B2
(en)
|
2007-08-21 |
2010-02-23 |
Schlumberger Technology Corporation |
Providing a rechargeable hydraulic accumulator in a wellbore
|
US7559359B2
(en)
|
2007-08-27 |
2009-07-14 |
Williams John R |
Spring preloaded bearing assembly and well drilling equipment comprising same
|
US7717170B2
(en)
|
2007-08-27 |
2010-05-18 |
Williams John R |
Stripper rubber pot mounting structure and well drilling equipment comprising same
|
US7798250B2
(en)
|
2007-08-27 |
2010-09-21 |
Theresa J. Williams, legal representative |
Bearing assembly inner barrel and well drilling equipment comprising same
|
US7766100B2
(en)
|
2007-08-27 |
2010-08-03 |
Theresa J. Williams, legal representative |
Tapered surface bearing assembly and well drilling equiment comprising same
|
US7789172B2
(en)
|
2007-08-27 |
2010-09-07 |
Williams John R |
Tapered bearing assembly cover plate and well drilling equipment comprising same
|
US7726416B2
(en)
|
2007-08-27 |
2010-06-01 |
Theresa J. Williams, legal representative |
Bearing assembly retaining apparatus and well drilling equipment comprising same
|
US7717169B2
(en)
|
2007-08-27 |
2010-05-18 |
Theresa J. Williams, legal representative |
Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same
|
US7635034B2
(en)
|
2007-08-27 |
2009-12-22 |
Theresa J. Williams, legal representative |
Spring load seal assembly and well drilling equipment comprising same
|
US7762320B2
(en)
|
2007-08-27 |
2010-07-27 |
Williams John R |
Heat exchanger system and method of use thereof and well drilling equipment comprising same
|
US7789132B2
(en)
|
2007-08-29 |
2010-09-07 |
Theresa J. Williams, legal representative |
Stripper rubber retracting connection system
|
US7669649B2
(en)
|
2007-10-18 |
2010-03-02 |
Theresa J. Williams, legal representative |
Stripper rubber with integral retracting retention member connection apparatus
|
US7997345B2
(en)
|
2007-10-19 |
2011-08-16 |
Weatherford/Lamb, Inc. |
Universal marine diverter converter
|
US8844652B2
(en)
|
2007-10-23 |
2014-09-30 |
Weatherford/Lamb, Inc. |
Interlocking low profile rotating control device
|
US8286734B2
(en)
|
2007-10-23 |
2012-10-16 |
Weatherford/Lamb, Inc. |
Low profile rotating control device
|
US7802635B2
(en)
|
2007-12-12 |
2010-09-28 |
Smith International, Inc. |
Dual stripper rubber cartridge with leak detection
|
US7708089B2
(en)
|
2008-02-07 |
2010-05-04 |
Theresa J. Williams, legal representative |
Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same
|
US8640778B2
(en)
|
2008-04-04 |
2014-02-04 |
Ocean Riser Systems As |
Systems and methods for subsea drilling
|
US7878242B2
(en)
|
2008-06-04 |
2011-02-01 |
Weatherford/Lamb, Inc. |
Interface for deploying wireline tools with non-electric string
|
WO2010006217A1
(en)
|
2008-07-09 |
2010-01-14 |
Weatherford/Lamb, Inc. |
Apparatus and method for data transmission from a rotating control device
|
US7997336B2
(en)
|
2008-08-01 |
2011-08-16 |
Weatherford/Lamb, Inc. |
Method and apparatus for retrieving an assembly from a wellbore
|
US9359853B2
(en)
*
|
2009-01-15 |
2016-06-07 |
Weatherford Technology Holdings, Llc |
Acoustically controlled subsea latching and sealing system and method for an oilfield device
|
US8322432B2
(en)
|
2009-01-15 |
2012-12-04 |
Weatherford/Lamb, Inc. |
Subsea internal riser rotating control device system and method
|
US8347983B2
(en)
|
2009-07-31 |
2013-01-08 |
Weatherford/Lamb, Inc. |
Drilling with a high pressure rotating control device
|
US9175542B2
(en)
*
|
2010-06-28 |
2015-11-03 |
Weatherford/Lamb, Inc. |
Lubricating seal for use with a tubular
|
US8820747B2
(en)
*
|
2010-08-20 |
2014-09-02 |
Smith International, Inc. |
Multiple sealing element assembly
|
US9163473B2
(en)
*
|
2010-11-20 |
2015-10-20 |
Halliburton Energy Services, Inc. |
Remote operation of a rotating control device bearing clamp and safety latch
|
US9328575B2
(en)
*
|
2012-01-31 |
2016-05-03 |
Weatherford Technology Holdings, Llc |
Dual gradient managed pressure drilling
|