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APACHE CORP
US35 patents
Top patents by PatentIndex Score
US5036927AAug 6, 1991
Apparatus for gripping a down hole tubular for rotation
APACHE CORP198 citations99
US4821814AApr 18, 1989
Top head drive assembly for earth drilling machine and components thereof
APACHE CORP167 citations98
US4759414AJul 26, 1988
Modular drilling machine and components thereof
APACHE CORP145 citations98
US4867236ASep 19, 1989
Compact casing tongs for use on top head drive earth drilling machine
APACHE CORP188 citations97
US4762187AAug 9, 1988
Internal wrench for a top head drive assembly
APACHE CORP140 citations97
US5294228AMar 15, 1994
Automatic sequencing system for earth drilling machine
APACHE CORP146 citations96
US4821816AApr 18, 1989
Method of assembling a modular drilling machine
APACHE CORP108 citations96
US5297833AMar 29, 1994
Apparatus for gripping a down hole tubular for support and rotation
APACHE CORP262 citations94
US4815546AMar 28, 1989
Top head drive assembly with axially movable quill
APACHE CORP54 citations92
US4650236AMar 17, 1987
Automatic pipe elevator
APACHE CORP27 citations92
US5054550AOct 8, 1991
Centering spinning for down hole tubulars
APACHE CORP59 citations91
US4708581ANov 24, 1987
Method of positioning a transfer arm
APACHE CORP56 citations90
US5259723ANov 9, 1993
Feeding device for down hole tubulars
APACHE CORP28 citations89
US7944774B2May 17, 2011
Method for determining adequacy of seismic data coverage of a subsurface area being surveyed and its application to selecting sensor array geometry
APACHE CORP26 citations88
US6324477B1Nov 27, 2001
System for processing well log data
APACHE CORP20 citations88
US9387430B2Jul 12, 2016
Methods and systems of enhanced carbon dioxide recovery
APACHE CORP6 citations80
US6823262B2Nov 23, 2004
Method for conducting seismic surveys utilizing an aircraft deployed seismic source
APACHE CORP18 citations78
US6965830B1Nov 15, 2005
System for estimating thickness of thin subsurface strata
APACHE CORP16 citations76
US4842250AJun 27, 1989
Line reeving system for earth drilling machine
APACHE CORP15 citations73
US4830119AMay 16, 1989
Top head drive cooling system
APACHE CORP16 citations73
US10168440B2Jan 1, 2019
Method to determine optimal spacing between seismic energy sources utilizing mutual admittance
APACHE CORP2 citations70
US9579598B2Feb 28, 2017
Pressure swing adsorption process for enhanced separation of lighter from heavier species
APACHE CORP4 citations70
US6985838B1Jan 10, 2006
System for estimating thickness of thin subsurface strata
APACHE CORP13 citations70
US5273388ADec 28, 1993
Lifting device for down hole tubulars
APACHE CORP7 citations70
US10441915B2Oct 15, 2019
Natural gas liquids recovery from pressure swing adsorption and vacuum swing adsorption
APACHE CORP2 citations69
US9908078B2Mar 6, 2018
Methods and systems of enhanced carbon dioxide recovery
APACHE CORP2 citations69
US10450841B2Oct 22, 2019
Methods for statistical prediction of well production and reserves
APACHE CORP4 citations64
US10730005B2Aug 4, 2020
Porous materials for natural gas liquids separations
APACHE CORP1 citations59
US10646817B2May 12, 2020
Porous materials for natural gas liquids separations
APACHE CORP1 citations59
US3934464AJan 27, 1976
Pipe ring test machine
APACHE CORP10 citations59
US9651699B2May 16, 2017
Methods for determining well log attributes for formation characterization
APACHE CORP4 citations56
US7957905B2Jun 7, 2011
Data processing method for determining acoustic velocities from acoustic well logging instruments
APACHE CORP4 citations52
US10145970B2Dec 4, 2018
Method for acquiring seismic data
APACHE CORP0 citations44
US9440863B2Sep 13, 2016
Method and apparatus for removing acid-gases from hydrocarbon-bearing saltwater solution
APACHE CORP1 citations33
US9921329B2Mar 20, 2018
Automated method for selecting positions within formations from which to extract samples thereof
APACHE CORP0 citations21