Assignee
CONOCO INC
US853 patents
Top patents by PatentIndex Score
US6235677B1May 22, 2001
Fischer-Tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids
CONOCO INC125 citations99
US5097870AMar 24, 1992
Composite tubular member with multiple cells
CONOCO INC137 citations99
US6409940B1Jun 25, 2002
Nickel-rhodium based catalysts and process for preparing synthesis gas
CONOCO INC92 citations98
US6402989B1Jun 11, 2002
Catalytic partial oxidation process and promoted nickel based catalysts supported on magnesium oxide
CONOCO INC101 citations98
US5285204AFeb 8, 1994
Coil tubing string and downhole generator
CONOCO INC336 citations98
US5285008AFeb 8, 1994
Spoolable composite tubular member with integrated conductors
CONOCO INC245 citations98
US5228518AJul 20, 1993
Downhole activated process and apparatus for centralizing pipe in a wellbore
CONOCO INC180 citations98
US5172765ADec 22, 1992
Method using spoolable composite tubular member with energy conductors
CONOCO INC158 citations98
US4817721AApr 4, 1989
Reducing the permeability of a rock formation
CONOCO INC208 citations98
US6476085B2Nov 5, 2002
Fischer-Tropsch processes using catalysts on mesoporous supports
CONOCO INC81 citations97
US5469916ANov 28, 1995
System for depth measurement in a wellbore using composite coiled tubing
CONOCO INC142 citations97
US5176180AJan 5, 1993
Composite tubular member with axial fibers adjacent the side walls
CONOCO INC118 citations97
US4986355AJan 22, 1991
Process for the preparation of fluid loss additive and gel breaker
CONOCO INC429 citations97
US4986353AJan 22, 1991
Placement process for oil field chemicals
CONOCO INC362 citations97
US6502037B1Dec 31, 2002
Method for gravity and magnetic data inversion using vector and tensor data with seismic imaging and geopressure prediction for oil, gas and mineral exploration and production
CONOCO INC127 citations96
US6473696B1Oct 29, 2002
Method and process for prediction of subsurface fluid and rock pressures in the earth
CONOCO INC152 citations96
US6368997B2Apr 9, 2002
Fischer-Tropsch processes and catalysts using fluorided supports
CONOCO INC48 citations96
US6353035B2Mar 5, 2002
Fischer-tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids
CONOCO INC60 citations96
US6319872B1Nov 20, 2001
Fischer-Tropsch processes using catalysts on mesoporous supports
CONOCO INC55 citations96
US6227293B1May 8, 2001
Process and apparatus for coupled electromagnetic and acoustic stimulation of crude oil reservoirs using pulsed power electrohydraulic and electromagnetic discharge
CONOCO INC145 citations96
US5504132AApr 2, 1996
Solvent free oil soluble drag reducing polymer suspension
CONOCO INC105 citations96
US5348096ASep 20, 1994
Anisotropic composite tubular emplacement
CONOCO INC84 citations96
US5330807AJul 19, 1994
Composite tubing with low coefficient of expansion for use in marine production riser systems
CONOCO INC77 citations96
US5209136AMay 11, 1993
Composite rod-stiffened pressurized cable
CONOCO INC92 citations96
US5165440ANov 24, 1992
Process and apparatus for blending viscous polymers in solvent
CONOCO INC61 citations96
US5165478ANov 24, 1992
Downhole activated process and apparatus for providing cathodic protection for a pipe in a wellbore
CONOCO INC57 citations96
US5107874AApr 28, 1992
Apparatus for cleaning particulate solids
CONOCO INC90 citations96
US5084617AJan 28, 1992
Fluorescence sensing apparatus for determining presence of native hydrocarbons from drilling mud
CONOCO INC96 citations96
US5080721AJan 14, 1992
Process for cleaning particulate solids
CONOCO INC109 citations96
US5053082AOct 1, 1991
Process and apparatus for cleaning particulate solids
CONOCO INC81 citations96
US4964103AOct 16, 1990
Three dimensional before stack depth migration of two dimensional or three dimensional seismic data
CONOCO INC57 citations96
US4957165ASep 18, 1990
Well treatment process
CONOCO INC270 citations96
US4848467AJul 18, 1989
Formation fracturing process
CONOCO INC295 citations96
US4444158AApr 24, 1984
Alcohol dissociation process for automobiles
CONOCO INC104 citations96
US4418752ADec 6, 1983
Thermal oil recovery with solvent recirculation
CONOCO INC248 citations96
US4239917ADec 16, 1980
Barium oxide catalyzed ethoxylation
CONOCO INC84 citations96
US6751558B2Jun 15, 2004
Method and process for prediction of subsurface fluid and rock pressures in the earth
CONOCO INC81 citations95
US6172151B1Jan 9, 2001
Nonaqueous drag reducing suspensions
CONOCO INC68 citations95
US6009947AJan 4, 2000
Casing conveyed perforator
CONOCO INC76 citations95
US5439321AAug 8, 1995
Interruptive mobile production system
CONOCO INC90 citations95
US5234058AAug 10, 1993
Composite rod-stiffened spoolable cable with conductors
CONOCO INC72 citations95
US5147148ASep 15, 1992
Heave-restrained platform and drilling system
CONOCO INC57 citations95
US5009269AApr 23, 1991
Well cement fluid loss additive and method
CONOCO INC60 citations95
US4986354AJan 22, 1991
Composition and placement process for oil field chemicals
CONOCO INC429 citations95
US4813495AMar 21, 1989
Method and apparatus for deepwater drilling
CONOCO INC432 citations95
US4784529ANov 15, 1988
Mooring apparatus and method of installation for deep water tension leg platform
CONOCO INC63 citations95
US4556340ADec 3, 1985
Method and apparatus for production of subsea hydrocarbons using a floating vessel
CONOCO INC84 citations95
US4340245AJul 20, 1982
Insulated prestressed conduit string for heated fluids
CONOCO INC91 citations95
US6430507B1Aug 6, 2002
Method for integrating gravity and magnetic inversion with geopressure prediction for oil, gas and mineral exploration and production
CONOCO INC73 citations94
US6424918B1Jul 23, 2002
Method for integrating gravity and magnetic inversion data with model based seismic data for oil, gas and mineral exploration and production
CONOCO INC65 citations94
Showing the top 50 of 853 patents by PatentIndex Score.