loadpatents
Patent applications and USPTO patent grants for Lauderdale; Donald.The latest application filed is for "redundant actuation system".
Patent | Date |
---|---|
Intermediate completion assembly for isolating lower completion Grant 9,828,829 - Frisby , et al. November 28, 2 | 2017-11-28 |
Redundant actuation system Grant 9,145,980 - Lauderdale September 29, 2 | 2015-09-29 |
Barrier valve system and method of closing same by withdrawing upper completion Grant 9,027,651 - Frisby , et al. May 12, 2 | 2015-05-12 |
Retrofit barrier valve system Grant 9,016,389 - Frisby , et al. April 28, 2 | 2015-04-28 |
Method for single trip fluid isolation Grant 9,016,372 - Frisby , et al. April 28, 2 | 2015-04-28 |
Redundant Actuation System App 20130340832 - Lauderdale; Donald | 2013-12-26 |
Method For Single Trip Fluid Isolation App 20130255946 - Frisby; Raymond A. ;   et al. | 2013-10-03 |
Method And System For Running Barrier Valve On Production String App 20130255961 - Frisby; Raymond A. ;   et al. | 2013-10-03 |
Retrofit Barrier Valve System App 20130255958 - Frisby; Raymond A. ;   et al. | 2013-10-03 |
Intermediate Completion Assembly For Isolating Lower Completion App 20130255947 - Frisby; Raymond A. ;   et al. | 2013-10-03 |
Barrier Valve System And Method Of Controlling Same With Tubing Pressure App 20130075109 - Frisby; Raymond A. ;   et al. | 2013-03-28 |
Barrier Valve System And Method Of Closing Same By Withdrawing Upper Completion App 20130075108 - Frisby; Raymond A. ;   et al. | 2013-03-28 |
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