Assignee
WESTERN ATLAS INT INC
US·416 granted patents·1 pending application·20,409 citations·filing 1984–2002
Top patents by PatentIndex Score
417 records- 0198US4907828AAlignable, threaded, sealed connectionWESTERN ATLAS INT INC·Filed 1988·Granted Mar 13, 1990·163 cites·11 claims
- 0298US4894662AMethod and system for determining position on a moving platform, such as a ship, using signals from GPS satellitesWESTERN ATLAS INT INC·Filed 1986·Granted Jan 16, 1990·497 cites·64 claims
- 0398US4809005AMulti-antenna gas receiver for seismic survey vesselsWESTERN ATLAS INT INC·Filed 1988·Granted Feb 28, 1989·345 cites·9 claims
- 0497US5781436AMethod and apparatus for transverse electromagnetic induction well loggingWESTERN ATLAS INT INC·Filed 1996·Granted Jul 14, 1998·221 cites·21 claims
- 0597US5724241ADistributed seismic data-gathering systemWESTERN ATLAS INT INC·Filed 1996·Granted Mar 3, 1998·291 cites·6 claims
- 0697US5400896AUnscrambling conveyorWESTERN ATLAS INT INC·Filed 1993·Granted Mar 28, 1995·79 cites·19 claims
- 0797US5365492AMethod for reverberation suppressionWESTERN ATLAS INT INC·Filed 1993·Granted Nov 15, 1994·136 cites·15 claims
- 0897US5014066ASystem for simultaneously deriving position information from a plurality of satellite transmissionsWESTERN ATLAS INT INC·Filed 1989·Granted May 7, 1991·148 cites·12 claims
- 0997US4860655AImplosion shaped charge perforatorWESTERN ATLAS INT INC·Filed 1985·Granted Aug 29, 1989·84 cites·18 claims
- 1096US6218662B1Downhole carbon dioxide gas analyzerWESTERN ATLAS INT INC·Filed 1998·Granted Apr 17, 2001·246 cites·23 claims
- 1195US6044325AConductivity anisotropy estimation method for inversion processing of measurements made by a transverse electromagnetic induction logging instrumentWESTERN ATLAS INT INC·Filed 1998·Granted Mar 28, 2000·245 cites·8 claims
- 1295US5999883AConductivity anisotropy estimation method for inversion processing of measurements made by a transverse electromagnetic induction logging instrumentWESTERN ATLAS INT INC·Filed 1998·Granted Dec 7, 1999·183 cites·8 claims
- 1395US5924049AMethods for acquiring and processing seismic dataWESTERN ATLAS INT INC·Filed 1998·Granted Jul 13, 1999·179 cites·42 claims
- 1495US5567906ATungsten enhanced liner for a shaped chargeWESTERN ATLAS INT INC·Filed 1995·Granted Oct 22, 1996·104 cites·16 claims
- 1595US4992992AProcessing for seismic data from slanted cableWESTERN ATLAS INT INC·Filed 1988·Granted Feb 12, 1991·101 cites·18 claims
- 1694US5955884AMethod and apparatus for measuring transient electromagnetic and electrical energy components propagated in an earth formationWESTERN ATLAS INT INC·Filed 1997·Granted Sep 21, 1999·215 cites·41 claims
- 1794US5854991AMethod for inversion processing of transverse electromagnetic induction well logging measurementsWESTERN ATLAS INT INC·Filed 1998·Granted Dec 29, 1998·119 cites·39 claims
- 1894US5792977AHigh performance composite shaped chargeWESTERN ATLAS INT INC·Filed 1997·Granted Aug 11, 1998·87 cites·16 claims
- 1994US5712566ANuclear magnetic resonance apparatus and methodWESTERN ATLAS INT INC·Filed 1996·Granted Jan 27, 1998·117 cites·35 claims
- 2094US5704250ABall screw drive with dynamically adjustable preloadWESTERN ATLAS INT INC·Filed 1996·Granted Jan 6, 1998·72 cites·28 claims
- 2194US5623455AApparatus and method for acquiring seismic dataWESTERN ATLAS INT INC·Filed 1995·Granted Apr 22, 1997·148 cites·17 claims
- 2294US5495547ACombination fiber-optic/electrical conductor well logging cableWESTERN ATLAS INT INC·Filed 1995·Granted Feb 27, 1996·180 cites·12 claims
- 2394US5452761ASynchronized digital stacking method and application to induction logging toolsWESTERN ATLAS INT INC·Filed 1994·Granted Sep 26, 1995·188 cites·15 claims
- 2494US5010531AThree-dimensional geophoneWESTERN ATLAS INT INC·Filed 1989·Granted Apr 23, 1991·102 cites·11 claims
- 2593US6011752ASeismic streamer position control moduleWESTERN ATLAS INT INC·Filed 1998·Granted Jan 4, 2000·135 cites·20 claims
- 2693US5473939AMethod and apparatus for pressure, volume, and temperature measurement and characterization of subsurface formationsWESTERN ATLAS INT INC·Filed 1993·Granted Dec 12, 1995·197 cites·29 claims
- 2793US5377755AMethod and apparatus for acquiring and processing subsurface samples of connate fluidWESTERN ATLAS INT INC·Filed 1994·Granted Jan 3, 1995·194 cites·24 claims
- 2893US5303775AMethod and apparatus for acquiring and processing subsurface samples of connate fluidWESTERN ATLAS INT INC·Filed 1992·Granted Apr 19, 1994·197 cites·15 claims
- 2993US4870422AMethod and system for determining position from signals from satellitesWESTERN ATLAS INT INC·Filed 1986·Granted Sep 26, 1989·84 cites·42 claims
- 3093US4715020ASimultaneous performance of multiple seismic vibratory surveysWESTERN ATLAS INT INC·Filed 1986·Granted Dec 22, 1987·138 cites·16 claims
- 3192US6028817AMarine seismic system with independently powered tow vehiclesWESTERN ATLAS INT INC·Filed 1997·Granted Feb 22, 2000·125 cites·43 claims
- 3292US4893505ASubsurface formation testing apparatusWESTERN ATLAS INT INC·Filed 1988·Granted Jan 16, 1990·145 cites·29 claims
- 3391US5640371AMethod and apparatus for beam steering and bessel shading of conformal arrayWESTERN ATLAS INT INC·Filed 1995·Granted Jun 17, 1997·125 cites·45 claims
- 3491US5479860AShaped-charge with simultaneous multi-point initiation of explosivesWESTERN ATLAS INT INC·Filed 1994·Granted Jan 2, 1996·161 cites·5 claims
- 3590US6111409ANuclear magnetic reasonance fluid characterization apparatus and method for using with electric wireline formation testing instrumentsWESTERN ATLAS INT INC·Filed 1998·Granted Aug 29, 2000·86 cites·17 claims
- 3690US5841280AApparatus and method for combined acoustic and seismoelectric logging measurementsWESTERN ATLAS INT INC·Filed 1997·Granted Nov 24, 1998·109 cites·15 claims
- 3790US5757852AMethod for compression of high resolution seismic dataWESTERN ATLAS INT INC·Filed 1997·Granted May 26, 1998·89 cites·15 claims
- 3890US5656791ATungsten enhanced liner for a shaped chargeWESTERN ATLAS INT INC·Filed 1996·Granted Aug 12, 1997·66 cites·13 claims
- 3990US5595462AMachine tool coolant delivery method and apparatusWESTERN ATLAS INT INC·Filed 1994·Granted Jan 21, 1997·55 cites·54 claims
- 4090US5313020AElectrical cableWESTERN ATLAS INT INC·Filed 1992·Granted May 17, 1994·85 cites·12 claims
- 4189US6069477AMethod for improving the accuracy of NMR relaxation distribution analysis with two echo trainsWESTERN ATLAS INT INC·Filed 1997·Granted May 30, 2000·73 cites·15 claims
- 4289US6024344AMethod for recording seismic data in deep waterWESTERN ATLAS INT INC·Filed 1999·Granted Feb 15, 2000·214 cites·18 claims
- 4389US5790472AAdaptive control of marine seismic streamersWESTERN ATLAS INT INC·Filed 1996·Granted Aug 4, 1998·110 cites·10 claims
- 4489US5416750ABayesian sequential indicator simulation of lithology from seismic dataWESTERN ATLAS INT INC·Filed 1994·Granted May 16, 1995·102 cites·6 claims
- 4589US5051965AAcousto-optical marine sensor arrayWESTERN ATLAS INT INC·Filed 1985·Granted Sep 24, 1991·71 cites·12 claims
- 4688US6049205AMultiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimizationWESTERN ATLAS INT INC·Filed 1997·Granted Apr 11, 2000·75 cites·6 claims
- 4788US5828214AMethod and apparatus for resistivity determination by nuclear magnetic resonance measurementWESTERN ATLAS INT INC·Filed 1996·Granted Oct 27, 1998·73 cites·58 claims
- 4888US5635631ADetermining fluid properties from pressure, volume and temperature measurements made by electric wireline formation testing toolsWESTERN ATLAS INT INC·Filed 1995·Granted Jun 3, 1997·158 cites·6 claims
- 4988US5194871ASystem for simultaneously deriving position information from a plurality of satellite transmissionsWESTERN ATLAS INT INC·Filed 1991·Granted Mar 16, 1993·71 cites·16 claims
- 5088US4860654AImplosion shaped charge perforatorWESTERN ATLAS INT INC·Filed 1985·Granted Aug 29, 1989·82 cites·16 claims
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