Assignee
STATOIL ASA
NO68 patents
Top patents by PatentIndex Score
US7126338B2Oct 24, 2006
Electromagnetic surveying for hydrocarbon reservoirs
STATOIL ASA106 citations98
US7481275B2Jan 27, 2009
Plant and a method for increased oil recovery
STATOIL ASA165 citations97
US6864684B2Mar 8, 2005
Electromagnetic methods and apparatus for determining the content of subterranean reservoirs
STATOIL ASA44 citations96
US6859038B2Feb 22, 2005
Method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves
STATOIL ASA63 citations96
US6717411B2Apr 6, 2004
Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves
STATOIL ASA61 citations96
US6696839B2Feb 24, 2004
Electromagnetic methods and apparatus for determining the content of subterranean reservoirs
STATOIL ASA51 citations96
US7677309B2Mar 16, 2010
Method for increased oil recovery from an oil field
STATOIL ASA109 citations95
US7673685B2Mar 9, 2010
Method for oil recovery from an oil field
STATOIL ASA71 citations93
US6637479B1Oct 28, 2003
System for offshore transfer of liquefield natural gas
STATOIL ASA83 citations93
US7490472B2Feb 17, 2009
Efficient combined cycle power plant with CO2 capture and a combustor arrangement with separate flows
STATOIL ASA105 citations92
US7168488B2Jan 30, 2007
Method and plant or increasing oil recovery by gas injection
STATOIL ASA127 citations92
US7124817B1Oct 24, 2006
Method of treating a hydrocarbon bearing formation
STATOIL ASA24 citations92
US6900639B2May 31, 2005
Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves
STATOIL ASA30 citations92
US7720609B2May 18, 2010
Method of seismic signal processing
STATOIL ASA19 citations91
US7660188B2Feb 9, 2010
Seismic exploration and imaging system for producing survey reports of subsea geological structures
STATOIL ASA30 citations91
US7933003B2Apr 26, 2011
Method and apparatus for studying surface vibrations by moving speckle interferometer
STATOIL ASA21 citations90
US7018451B1Mar 28, 2006
Fluid separation system
STATOIL ASA37 citations90
US6758270B1Jul 6, 2004
Method of microbial enhanced oil recovery
STATOIL ASA69 citations90
US6699308B1Mar 2, 2004
Method and apparatus for the drying of natural gas
STATOIL ASA21 citations90
US6696501B2Feb 24, 2004
Optimum integration of Fischer-Tropsch synthesis and syngas production
STATOIL ASA48 citations89
US7585483B2Sep 8, 2009
Method for the production of particulate carbon products
STATOIL ASA37 citations88
US7351679B2Apr 1, 2008
Fischer-tropsch catalyst, preparation, and use thereof
STATOIL ASA28 citations88
US7128276B2Oct 31, 2006
Method for mixing fluids
STATOIL ASA52 citations88
US7579163B2Aug 25, 2009
Method of fermentation
STATOIL ASA33 citations86
US7273513B2Sep 25, 2007
Acid gas removal
STATOIL ASA20 citations86
US7077202B2Jul 18, 2006
Process for the recovery of oil from a natural oil reservoir
STATOIL ASA21 citations86
US6752860B1Jun 22, 2004
Apparatus for separation of a fluid flow, especially into a gas phase and a liquid phase
STATOIL ASA47 citations86
US7270184B2Sep 18, 2007
Method of well treatment
STATOIL ASA31 citations85
US7992632B2Aug 9, 2011
System for power supply to subsea installations
STATOIL ASA35 citations84
US6809121B1Oct 26, 2004
Cogeneration of methanol and electrical power
STATOIL ASA13 citations83
US7964539B2Jun 21, 2011
Well treatment
STATOIL ASA11 citations82
US6736082B2May 18, 2004
Method and system for connecting an underwater buoy to a vessel
STATOIL ASA22 citations82
US7463549B2Dec 9, 2008
Apparatus and method for carrying out seismic surveys
STATOIL ASA36 citations81
US7687091B2Mar 30, 2010
Bacterial hydrolystate
STATOIL ASA11 citations80
US6752845B2Jun 22, 2004
Apparatus for separation of a liquid from a multiphase fluid flow
STATOIL ASA27 citations80
US7664603B2Feb 16, 2010
Electromagnetic wavefield analysis
STATOIL ASA12 citations79
US7613570B2Nov 3, 2009
Method and apparatus for deriving a calibration filter for electromagnetic data
STATOIL ASA8 citations79
US7488373B2Feb 10, 2009
Device and method for treating a gas/liquid mixture
STATOIL ASA14 citations79
US7406738B2Aug 5, 2008
Thruster pig
STATOIL ASA14 citations79
US7583387B2Sep 1, 2009
Seismic exploration
STATOIL ASA15 citations78
US6845727B2Jan 25, 2005
Cooling water system
STATOIL ASA15 citations78
US6794418B2Sep 21, 2004
Method and plant for production of oxygenated hydrocarbons
STATOIL ASA13 citations76
US6365053B1Apr 2, 2002
Removal of H2S in drilling mud
STATOIL ASA15 citations76
US7882892B2Feb 8, 2011
Well having inductively coupled power and signal transmission
STATOIL ASA15 citations75
US7614385B2Nov 10, 2009
Gas engine
STATOIL ASA11 citations70
US7503950B2Mar 17, 2009
Assembly to separate liquid from a multiphase flow
STATOIL ASA17 citations70
US7113668B2Sep 26, 2006
System for the transmission of signals to or between underwater installations
STATOIL ASA13 citations70
US6910830B2Jun 28, 2005
Method for pipelaying from a coil to the sea bed, controlling thermal expansion
STATOIL ASA9 citations70
US7149672B2Dec 12, 2006
Method of combining spatial models
STATOIL ASA11 citations69
US6817914B2Nov 16, 2004
System for transferring a load from ship-based production and storage units to dynamically positioned tankers
STATOIL ASA8 citations69
Showing the top 50 of 68 patents by PatentIndex Score.