Johnson; David Linton

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnson; David Linton.The latest application filed is for "systems and methods for using stoneley waves for bottom-hole proximity detection".

Company Profile

2.14.13

Johnson; David Linton - Somerville MA
Johnson; David Linton - Bethel CT US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Systems and methods for using Stoneley waves for bottom-hole proximity detection Grant 10,859,723 - du Castel , et al. December 8, 2	2020-12-08
Systems And Methods For Using Stoneley Waves For Bottom-hole Proximity Detection App 20190146114 - du Castel; Bertrand ; et al.	2019-05-16
Use of an effective tool model in sonic logging data processing Grant 9,086,508 - Sinha , et al. July 21, 2	2015-07-21
Methods and apparatus to determine slowness of drilling fluid in an annulus Grant 8,773,948 - Johnson July 8, 2	2014-07-08
Methods and apparatus to optimize parameters in a downhole environment Grant 8,730,763 - Johnson May 20, 2	2014-05-20
Method for Gas Zone Detection Using Sonic Wave Attributes App 20140003190 - Wu; Peter T. ; et al.	2014-01-02
Method for permeable zone detection Grant 8,553,493 - Wu , et al. October 8, 2	2013-10-08
Method for gas zone detection using sonic wave attributes Grant 8,547,789 - Wu , et al. October 1, 2	2013-10-01
Device And Method For Attenuating Acoustic Signals App 20130170318 - VALENZA, II; JOHN J. ; et al.	2013-07-04
Methods and Apparatus to Determine Slowness of Drilling Fluid in an Annulus App 20130075158 - Johnson; David Linton	2013-03-28
Methods and Apparatus to Optimize Parameters in a Downhole Environment App 20120287754 - Johnson; David Linton	2012-11-15
Fluid characterization from acoustic logging data Grant 7,894,300 - Hawthorn , et al. February 22, 2	2011-02-22
Use of an effective tool model in sonic logging data processing App 20090225627 - Sinha; Bikash K. ; et al.	2009-09-10
Method For Permeable Zone Detection App 20090168598 - Wu; Peter T. ; et al.	2009-07-02
Method For Gas Zone Detection Using Sonic Wave Attributes App 20090168595 - WU; PETER T. ; et al.	2009-07-02
Use of an effective tool model in sonic logging data processing Grant 7,529,152 - Sinha , et al. May 5, 2	2009-05-05
Devices, systems and methods for assessing porous media properties Grant 7,486,070 - Madio , et al. February 3, 2	2009-02-03
Fluid Characterization From Acoustic Logging Data App 20080175099 - HAWTHORN; ANDREW ; et al.	2008-07-24
Devices, Systems And Methods For Assessing Porous Media Properties App 20080143330 - Madio; David P. ; et al.	2008-06-19
Use of an effective tool model in sonic logging data processing App 20060256655 - Sinha; Bikash K. ; et al.	2006-11-16

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