Patent | Date |
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Shroud having separate upper and lower portions for submersible pump assembly and gas separator Grant 8,955,598 - Brown , et al. February 17, 2 | 2015-02-17 |
Tangential perforation system Grant 8,844,614 - Brown , et al. September 30, 2 | 2014-09-30 |
Non-parallel splined hub and shaft connection Grant 8,545,125 - Brown , et al. October 1, 2 | 2013-10-01 |
Packer deployment with electric submersible pump with optional retention of the packer after pump removal Grant 8,528,632 - Mack , et al. September 10, 2 | 2013-09-10 |
Shroud Having Separate Upper and Lower Portions for Submersible Pump Assembly and Gas Separator App 20130068455 - Brown; Donn J. ;   et al. | 2013-03-21 |
Tangential perforation system App 20130037264 - Brown; Donn J. ;   et al. | 2013-02-14 |
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 |
Packer Deployment with Electric Submersible Pump with Optional Retention of the Packer After Pump Removal App 20120067564 - Mack; John J. ;   et al. | 2012-03-22 |
Spline Stress Distribution App 20100303537 - Brown; Donn J. ;   et al. | 2010-12-02 |
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 |
Device and Method For Gas Lock Detection In An Electrical Submersible Pump Assembly App 20090250210 - Allen; Robert D. ;   et al. | 2009-10-08 |
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 |
Electrical submersible pump actuated packer Grant 7,055,595 - Mack , et al. June 6, 2 | 2006-06-06 |
Electrical submersible pump actuated packer App 20050217860 - Mack, John J. ;   et al. | 2005-10-06 |
Gas separator improvements Grant 6,723,158 - Brown , et al. April 20, 2 | 2004-04-20 |
Gas restrictor for horizontally oriented well pump Grant 6,715,556 - Mack , et al. April 6, 2 | 2004-04-06 |
Gas restrictor for horizontally oriented well pump App 20030079882 - Mack, John J. ;   et al. | 2003-05-01 |
Gas separator improvements App 20020178924 - Brown, Donn J. ;   et al. | 2002-12-05 |
Anti-rotational submersible well pump assembly App 20020175519 - Mack, John J. ;   et al. | 2002-11-28 |
Scavenger system and electrical submersible pumps (ESP's) Grant 5,622,222 - Wilson , et al. April 22, 1 | 1997-04-22 |
Low flow rate oil supply system for an electric submersible pump Grant 5,375,656 - Wilson December 27, 1 | 1994-12-27 |
Centrifugal pump with modular bearing support for pumping fluids containing abrasive particles Grant 5,160,240 - Wilson * November 3, 1 | 1992-11-03 |
Flexible electrical submersible motor pump system for deviated wells Grant 5,129,452 - Wilson July 14, 1 | 1992-07-14 |
Submersible pump equalizer with multiple expanding chambers Grant 4,940,911 - Wilson July 10, 1 | 1990-07-10 |
Tandem connected submersible oil well pump motors Grant 4,409,504 - Wilson , et al. * October 11, 1 | 1983-10-11 |
Tandem connected submersible oil well pump motors Grant 4,350,911 - Wilson , et al. September 21, 1 | 1982-09-21 |