| Patent | Date |
|---|
Instrument subs for centrifugal well pump assemblies
Grant 9,541,091 - Wilson , et al. January 10, 2 | 2017-01-10 |
Detection of well fluid contamination in sealed fluids of well pump assemblies
Grant 9,441,633 - Sheth , et al. September 13, 2 | 2016-09-13 |
Systems and methods for providing fiber optics in downhole equipment
Grant 9,410,380 - Rutter , et al. August 9, 2 | 2016-08-09 |
Systems and methods for electric motor construction
Grant 9,379,590 - Sheth June 28, 2 | 2016-06-28 |
System for monitoring linearity of down-hole pumping systems during deployment and related methods
Grant 9,341,054 - Harman , et al. May 17, 2 | 2016-05-17 |
Impeller vane with leading edge enhancement
Grant 9,133,849 - Sheth , et al. September 15, 2 | 2015-09-15 |
Instrument Subs for Centrifugal Well Pump Assemblies
App 20150132159 - Wilson; Brown Lyle ; et al. | 2015-05-14 |
System for Monitoring Linearity of Down-Hole Pumping Systems During Deployment and Related Methods
App 20150129206 - Harman; Robert M. ; et al. | 2015-05-14 |
Subsurface motors with fiber optic sensors
Grant 8,982,354 - O'Bryan , et al. March 17, 2 | 2015-03-17 |
Systems and Methods for Electric Motor Construction
App 20150054376 - Sheth; Ketankumar K. | 2015-02-26 |
System for monitoring linearity of down-hole pumping systems during deployment and related methods
Grant 8,950,472 - Harman , et al. February 10, 2 | 2015-02-10 |
Fiber optic measurement of parameters for downhole pump diffuser section
Grant 8,891,076 - Sheth , et al. November 18, 2 | 2014-11-18 |
Systems and Methods for Providing Fiber Optics in Downhole Equipment
App 20140326466 - Rutter; Risa ; et al. | 2014-11-06 |
Measuring operational parameters in an ESP seal with fiber optic sensors
Grant 8,830,471 - Wilson , et al. September 9, 2 | 2014-09-09 |
Gas separators with fiber optic sensors
Grant 8,817,266 - Wilson , et al. August 26, 2 | 2014-08-26 |
Centrifugal pump with thrust balance holes in diffuser
Grant 8,801,360 - Sheth , et al. August 12, 2 | 2014-08-12 |
Measuring Operational Parameters in an ESP Seal with Fiber Optic Sensors
App 20140168638 - Wilson; Brown Lyle ; et al. | 2014-06-19 |
Subsurface Motors with Fiber Optic Sensors
App 20140159550 - O'Bryan; Suresha R. ; et al. | 2014-06-12 |
Fiber Optic Sensors Within Subsurface Motor Winding Chambers
App 20140161637 - O'Bryan; Suresha R. ; et al. | 2014-06-12 |
Vibration method to detect onset of gas lock
Grant 8,746,353 - Forsberg , et al. June 10, 2 | 2014-06-10 |
Electrical Submersible Pumping System Having Wire With Enhanced Insulation
App 20140127053 - Sheth; Ketankumar K. ; et al. | 2014-05-08 |
Detection of Well Fluid Contamination in Seabed Fluids of Well Pump Assemblies
App 20140099211 - Sheth; Ketankumar K. ; et al. | 2014-04-10 |
Gas Separators with Fiber Optic Sensors
App 20140000345 - Wilson; Brown Lyle ; et al. | 2014-01-02 |
Fiber Optic Measurement of Parameters for Downhole Pump Diffuser Section
App 20130341498 - Sheth; Ketankumar K. ; et al. | 2013-12-26 |
Fiber optic measurement of parameters for downhole pump diffuser section
Grant 8,537,364 - Sheth , et al. September 17, 2 | 2013-09-17 |
Pump apparatus, systems and methods
Grant 8,485,798 - Sheth , et al. July 16, 2 | 2013-07-16 |
Fiber Optic Measurement of Parameters for Downhole Pump Diffuser Section
App 20130148127 - Sheth; Ketankumar K. ; et al. | 2013-06-13 |
Latching mechanism for changing pump size
Grant 8,439,119 - Sheth , et al. May 14, 2 | 2013-05-14 |
Impeller Vane With Leading Edge Enhancement
App 20130115047 - Sheth; Ketankumar K. ; et al. | 2013-05-09 |
Enhanced thermal conductivity material in annular gap between electrical motor stator and housing
Grant 8,358,043 - Tetzlaff , et al. January 22, 2 | 2013-01-22 |
System For Monitoring Linearity of Down-Hole Pumping Systems During Deployment and Related Methods
App 20120073804 - Harman; Robert M. ; et al. | 2012-03-29 |
Oil Composition Comprising Functionalized Nanoparticles
App 20120032543 - Chakraborty; Soma ; et al. | 2012-02-09 |
Vibration Method To Detect Onset Of Gas Lock
App 20120027630 - Forsberg; Michael A. ; et al. | 2012-02-02 |
Additives for improving motor oil properties
Grant 8,076,809 - Tingler , et al. December 13, 2 | 2011-12-13 |
Centrifugal Pump With Thrust Balance Holes In Diffuser
App 20110058928 - Sheth; Ketankumar K. ; et al. | 2011-03-10 |
Latching Mechanism For Changing Pump Size
App 20110042101 - Sheth; Ketankumar K. ; et al. | 2011-02-24 |
Viscometer for downhole pumping
Grant 7,861,777 - Sheth , et al. January 4, 2 | 2011-01-04 |
Pump Apparatus, Systems And Methods
App 20100272504 - Sheth; Ketankumar K. ; et al. | 2010-10-28 |
Pump apparatus, systems and methods
Grant 7,775,779 - Sheth , et al. August 17, 2 | 2010-08-17 |
Additives for Improving Motor Oil Properties
App 20100187925 - Tingler; Kevin S. ; et al. | 2010-07-29 |
Enhanced Thermal Conductivity Material In Annular Gap Between Electrical Motor Stator And Housing
App 20100102648 - Tetzlaff; Steven K. ; et al. | 2010-04-29 |
Viscometer For Downhole Pumping
App 20090044953 - Sheth; Ketankumar K. ; et al. | 2009-02-19 |
Pump apparatus and methods of making and using same
Grant 7,326,034 - Sheth , et al. February 5, 2 | 2008-02-05 |
Pump Apparatus, Systems and Methods
App 20070110593 - Sheth; Ketankumar K. ; et al. | 2007-05-17 |
Pump Apparatus and Methods of Making and Using Same
App 20070059166 - Sheth; Ketankumar K. ; et al. | 2007-03-15 |
Submergible centrifugal pump having improved diffuser bushings
Grant 6,068,444 - Sheth May 30, 2 | 2000-05-30 |
Downhole gas compressor
Grant 5,605,193 - Bearden , et al. February 25, 1 | 1997-02-25 |
Submersible well pump gas separator
Grant 5,207,810 - Sheth May 4, 1 | 1993-05-04 |
Reduced diameter downthrust pad for a centrifugal pump
Grant 4,838,758 - Sheth June 13, 1 | 1989-06-13 |
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