Patent | Date |
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Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly Grant 8,480,376 - Knox , et al. July 9, 2 | 2013-07-09 |
Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly Grant 8,400,093 - Knox , et al. March 19, 2 | 2013-03-19 |
Systems and methods for automatic forward phasing determination in a downhole pump system Grant 8,287,246 - Plitt , et al. October 16, 2 | 2012-10-16 |
Device and method for gas lock detection in an electrical submersible pump assembly Grant 8,141,646 - Allen , et al. March 27, 2 | 2012-03-27 |
System and method for adding voltages of power modules in variable frequency drives Grant 8,125,177 - Rider , et al. February 28, 2 | 2012-02-28 |
Systems and methods for reducing pump downtime by determining rotation speed using a variable speed drive Grant 8,092,190 - Leuthen , et al. January 10, 2 | 2012-01-10 |
Multiphase flow meter for electrical submersible pumps using artificial neural networks Grant 8,082,217 - Crossley , et al. December 20, 2 | 2011-12-20 |
Device, Computer Program Product and Computer-Implemented Method for Backspin Detection in an Electrical Submersible Pump Assembly App 20110050144 - Knox; Dick L. ;   et al. | 2011-03-03 |
Device, Computer Program Product and Computer-Implemented Method for Backspin Detection in an Electrical Submersible Pump Assembly App 20110051297 - Knox; Dick L. ;   et al. | 2011-03-03 |
Systems and Methods for Automatic Forward Phasing Determination in a Downhole Pump System App 20110033314 - Plitt; Sheldon ;   et al. | 2011-02-10 |
Systems and methods for reducing distortion in a power source using an active harmonics filter Grant 7,834,643 - Yohanan , et al. November 16, 2 | 2010-11-16 |
Device, method and program product to automatically detect and break gas locks in an ESP Grant 7,798,215 - Leuthen , et al. September 21, 2 | 2010-09-21 |
System and Method for Adding Voltages of Power Modules in Variable Frequency Drives App 20090309524 - Rider; Jerald R. ;   et al. | 2009-12-17 |
Systems and methods for power ride-through in variable speed drives Grant 7,607,896 - Leuthen , et al. October 27, 2 | 2009-10-27 |
Device and Method For Gas Lock Detection In An Electrical Submersible Pump Assembly App 20090250210 - Allen; Robert D. ;   et al. | 2009-10-08 |
Systems and Methods for Reducing Distortion in a Power Source Using an Active Harmonics Filter App 20090243398 - Yohanan; Tom G. ;   et al. | 2009-10-01 |
Smart Motor Controller For An Electrical Submersible Pump App 20090044938 - Crossley; Alexander ;   et al. | 2009-02-19 |
Device, Method And Program Product To Automatically Detect And Break Gas Locks In An ESP App 20090000789 - Leuthen; John Michael ;   et al. | 2009-01-01 |
Multiphase Flow Meter For Electrical Submersible Pumps Using Artificial Neural Networks App 20080306892 - Crossley; Alexander ;   et al. | 2008-12-11 |
Systems and Methods for Reducing Pump Downtime by Determining Rotation Speed Using a Variable Speed Drive App 20080247880 - Leuthen; John M. ;   et al. | 2008-10-09 |
Protection scheme and method for deployment of artificial lift devices in a wellbore Grant 7,431,093 - Bearden , et al. October 7, 2 | 2008-10-07 |
Systems and Methods for Power Ride-Through in Variable Speed Drives App 20070263331 - Leuthen; John M. ;   et al. | 2007-11-15 |
Protection scheme and method for deployment of artificial lift devices in a wellbore App 20060207759 - Bearden; John L. ;   et al. | 2006-09-21 |
Protection scheme and method for deployment of artificial lift devices in a wellbore Grant 7,048,057 - Bearden , et al. May 23, 2 | 2006-05-23 |
Protection scheme for deployment of artificial lift devices in a wellbore App 20040060707 - Bearden, John L. ;   et al. | 2004-04-01 |
Method for boosting the output voltage of a variable frequency drive App 20010032721 - Rider, Jerald R. ;   et al. | 2001-10-25 |
Electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores Grant 6,167,965 - Bearden , et al. January 2, 2 | 2001-01-02 |