1
Michael H Du, Lawrence C Lee, Arunkumar Arumugam, Ashley C Kishino: Protector for electrical submersible pumps. Schlumberger Technology Corporation, Robert Van Someten, Jeffrey E Griffin, Brigitte Jeffery Echols, February 10, 2004: US06688860 (30 worldwide citation)

A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relativ ...


2
Michael H Du, Lawrence C Lee, Arunkumar Arumugam, Ashley C Kishino: Protector for electrical submersible pumps. Schlumberger Technology Corporation, Van Someren P C, Bryan P Galloway, Jamie A Castano, January 3, 2006: US06981853 (21 worldwide citation)

A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relativ ...


3
Michael H Du, Lawrence C Lee, Arunkumar Arumugam, Ashley C Kishino: Protector for electrical submersible pumps. Schlumberger Technology Corporation, Robert Van Someren, Bryan P Galloway, Jaime A Castano, May 15, 2007: US07217107 (17 worldwide citation)

A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relativ ...


4
Michael H Du, Lawrence C Lee, Arunkumar Arumugam, Ashley C Kishino: Protector for electrical submersible pumps. Schlumberger Technology Corporation, Van Someren PC, Rodney V Wafford, Kevin B McGoff, October 5, 2010: US07806670 (6 worldwide citation)

A system and method is used to protect a motor of a submersible pumping system. A variety of motor protector features are provided to facilitate operation of the motor protector and submersible pumping system in multiple wellbore environments and applications.


5
Michael Hui Du, Arthur I Watson, Arunkumar Arumugam: Motor protector. Schlumberger Technology Corporation, Van Someren PC, Bryan P Galloway, Jaime A Castano, February 27, 2007: US07182584 (5 worldwide citation)

A system and method is provided for reducing the wear on a motor protector, particularly when used in an abrasive environment. The motor protector comprises an outer housing having an internal shaft. The motor protector further comprises a head section having an abrasives exclusion mechanism to redu ...


6
Ramaswamy Meyyappan, Michael Alff, Arunkumar Arumugam: Cable with intermediate member disconnection sections. Schlumberger Technology Corporation, Edmonds & Nolte P C, Brandon S Clark, Rodney V Warfford, March 8, 2011: US07903915 (2 worldwide citation)

A cable is provided including an inner member, an outer member and an intermediate member. The intermediate member may be positioned between the inner member and the outer member and include a number of disconnection sections spaced apart from one another. In some cases, the cable may include two or ...


7
Arunkumar Arumugam, Tyson Messick, Steven Anyan, Kenneth C Burnett III: High angle water flood kickover tool. Schlumberger Technology Corporation, Kevin B McGoff, Rodney V Warfford, February 15, 2011: US07886835 (1 worldwide citation)

A kickover tool is for placing and extracting a valve in a mandrel having a tool body extending in a longitudinal direction and having a hydraulic piston chamber therein. A hydraulic piston is located inside the hydraulic piston chamber. A kickover arm portion is mechanically connected to the hydrau ...


8
Michael Hui Du, Arthur I Watson, David Rowatt, Chad Bremner, Arunkumar Arumugam, David Garrett, Christopher Featherby, Ramez Guindi: Pump motor protector with redundant shaft seal. Schlumberger Technology Corporation, Michael Stonebrook, August 19, 2014: US08807966 (1 worldwide citation)

An electric submersible pump device having a motor part, a pump part, and a protector part. The protector part includes redundant shaft seal parts.


9
Michael H Du, Lawrence C Lee, Arunkumar Arumugam, Ashley C Kishino: Protector for electrical submersible pumps. Schlumberger Technology Corporation, Schlumberger Reservoir Completions, December 19, 2002: US20020192090-A1 (1 worldwide citation)

A system and method for protecting a motor for a submersible pumping system. A variety of motor protectors are provided for application in variable temperature environments and multiple wellbore orientations. The motor protectors may include one or more of a positively pressurized bellows, a relativ ...


10
Arunkumar Arumugam, Tyson Messick, Steven Anyan, Kenneth C Burnett III: High angle water flood kickover tool. Schlumberger Technology Corporation, Kevin B McGoff, Rodney V Warfford, June 28, 2011: US07967075

A kickover tool for placing and extracting a valve in a mandrel having a hydraulic piston, a kickover arm portion mechanically connected to the hydraulic piston, the kickover arm portion being actuated by application of pressure to the piston. Upon full stoke of the piston, pressure is relieved, and ...