WESTERN ATLAS INTERNATIONAL, INC.
Patent Owner
Stats
- 458 total patents issued
- 3 Total Apps Published
- Jan 17, 2006 most recent publication
Details
- 458 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 7,808 Total Citation Count
- Dec 30, 1971 Earliest Filing
- 326 Expired/Abandoned/Withdrawn Patents
Technologies
Intl Class
Technology
# of Patents
Rank
Top Patents (by citation)
Patent #
Title
Filing Date
Issue Date
Intl Class
Cited #
5,781,436 Method and apparatus for transverse electromagnetic induction well loggingJul 26, 96Jul 14, 98[G06F]99
5,452,761 Synchronized digital stacking method and application to induction logging toolsOct 31, 94Sep 26, 95[E21B]75
5,377,755 Method and apparatus for acquiring and processing subsurface samples of connate fluidApr 18, 94Jan 03, 95[E21B]73
5,473,939 Method and apparatus for pressure, volume, and temperature measurement and characterization of subsurface formationsApr 16, 93Dec 12, 95[E21B]70
5,635,631 Determining fluid properties from pressure, volume and temperature measurements made by electric wireline formation testing toolsJun 15, 95Jun 03, 97[G01N]64
5,955,884 Method and apparatus for measuring transient electromagnetic and electrical energy components propagated in an earth formationJun 26, 97Sep 21, 99[G01V]62
5,717,334 Methods and apparatus to produce stick-slip motion of logging tool attached to a wireline drawn upward by a continuously rotating wireline drumJul 28, 95Feb 10, 98[G01V]62
5,708,204 Fluid flow rate analysis method for wireline formation testing toolsSep 26, 96Jan 13, 98[E21B]50
5,757,186 Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drillingNov 06, 96May 26, 98[G01V]47
Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2002/0177,954 Processing formation resistivity measurements obtained from within a cased well used to quantitatively determine the amount of oil and gas presentJul 10, 02Nov 28, 02[G01V]
2002/0043,977 Determining resistivity of a formation adjacent to a borehole having casing with an apparatus having all current conducting electrodes within the cased wellJun 08, 01Apr 18, 02[G01V]
2002/0016,675 Electrical voltages and resistances measured to inspect metallic cased wells and pipelinesMar 19, 01Feb 07, 02[G01V]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6,249,122 Electrical voltages and resistances measured to inspect metallic cased wells and pipelinesNov 22, 99Jun 19, 01[G01R, G01V]
6,246,240 Determining resistivity of a formation adjacent to a borehole having casing with an apparatus having all current conducting electrodes within the cased wellMay 12, 99Jun 12, 01[G01V]
6,176,344 Method and system for determining the azimuth position and distance of a reflecting subsurface formationOct 27, 97Jan 23, 01[G01V]
6,175,536 Cross-well seismic mapping method for determining non-linear properties of earth formations between wellboresMay 01, 97Jan 16, 01[G01V]
6,163,153 Nuclear magnetic resonance pulse sequence for optimizing instrument electrical power usageSep 11, 98Dec 19, 00[G01R, G01V]
Top Inventors for This Owner
Inventor Name
Address
# of Patent/Pub