1
Rod Shampine, Paul Dwyer, Ronnie Stover, Mike Lloyd, Jean Louis Pessin, Edward Leugemors, Larry D Welch, Joe Hubenschmidt, Philippe Gambier, William Troy Huey, Tom Allan: Method of pumping an oilfield fluid and split stream oilfield pumping systems. Schlumberger Technology Corporation, Michael Dae, David Cate, Robin Nava, December 7, 2010: US07845413 (41 worldwide citation)

A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrie ...


2
Edward Leugemors, Rajesh Luharuka, Hubertus V Thomeer: Suction stabilizer for pump assembly. Schlumberger Technology Corporation, Jeffrey R Anderson, Rachel E Greene, Tim Curington, December 2, 2014: US08899940 (13 worldwide citation)

A fluid flow stabilizing method and a pump having a stabilized fluid flow passage where a process fluid contains suspended solid particles and is subject to pressure oscillations. The method comprises positioning an expandable membrane along the lower transverse surface, inflating the membrane with ...


3
Rod Shampine, Paul Dwyer, Ronnie Stover, Mike Lloyd, Jean Louis Pessin, Edward Leugemors, Larry D Welch, Joe Hubenschmidt, Philippe Gambier, William Troy Huey, Tom Allan: Split stream oilfield pumping systems. Schlumberger Technology Corporation, Michael Dae, David Cate, Robin Nava, November 15, 2011: US08056635 (6 worldwide citation)

A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrie ...


4
Rajesh Luharuka, Galina Gennadievna Petukhova, Kim A Hodgson, Edward Leugemors, Sergey Makarychev Mikhailov, Artem Valeryevich Kabannik, Bobby Link, Dennis Johnson, Olga Vladimirovna Nevvonen, Megrose Quiterio: System and method for mitigating dust migration at a wellsite. SCHLUMBERGER TECHNOLOGY CORPORATION, Michael L Flynn, April 18, 2017: US09624036 (5 worldwide citation)

A system and method for mitigating dust migration at a wellsite is described. An oilfield material reservoir is provided for receiving oilfield material, the oilfield material reservoir having an enclosure. A dust collector is provided for collecting dust generated at the oilfield material reservoir ...


5
Rod Shampine, Edward Leugemors, Timothy M Lesko: System and method for delivering treatment fluid. SCHLUMBERGER TECHNOLOGY CORPORATION, Michael L Flynn, Rachel E Greene, Robin Nava, January 9, 2018: US09863228 (4 worldwide citation)

A system includes a regional blending facility having a number of bulk receiving facilities, where each bulk facility receives and stores a particle type having a distinct size modality, a bulk moving device that transfers particles between the bulk receiving facilities and of a blending/continuousl ...


6
Rod Shampine, Paul Dwyer, Ronnie Stover, Mike Lloyd, Jean Louis Pessin, Edward Leugemors, Larry D Welch, Joe Hubenschmidt, Philippe Gambier, William Huey Troy, Thomas Allan: Split stream oilfield pumping systems. Schlumberger Technology Corporation, Myron K Stout, Daryl Wright, Robin Nava, December 25, 2012: US08336631 (4 worldwide citation)

A method of pumping an oilfield fluid from a well surface to a wellbore is provided that includes providing a clean stream; operating one or more clean pumps to pump the clean stream from the well surface to the wellbore; providing a dirty stream including a solid material disposed in a fluid carrie ...


7
Hau Pham, Guillermo Guerrero, Edward Leugemors, Jean Louis Pessin: Apparatus for mounting a frac blender on a transport vehicle. Schlumberger Technology Corporation, Stephen Schlather, Tim Curington, Robin Nava, September 6, 2005: US06939031 (4 worldwide citation)

A support system for supporting a frac blender or other heavy load on a transport vehicle includes a support frame having vertically extending slides for a lift platform whereby the load may be moved between a stowed position and an operating position along a vertical, linear path within the limits ...


8
Edward Leugemors, Rajesh Luharuka, Toshimichi Wago, Philippe Gambier, Jean Louis Pessin, Aparna Raman: Methods of use for a positive displacement pump having an externally assisted valve. Schlumberger Technology Corporation, Myron Stout, Daryl R Wright, Tim Curington, August 13, 2013: US08506262 (2 worldwide citation)

A method for operating at least one pump in a pump assembly comprises providing a pump assembly comprising a fluid end and a power end, the fluid end in communication with a fluid source and at least one downstream destination and comprising a pump housing for a pressurizable chamber, at least one v ...


9
Edward Leugemors, Rajesh Luharuka: System, apparatus, and method for rapid pump displacement configuration. Schlumberger Technology Corporation, Myron K Stout, Daryl R Wright, November 12, 2013: US08579599 (2 worldwide citation)

A system for changing a pump displacement configuration includes a blender that provides low-pressure fluid to a pump. The pump has a power end and fluid end, where the fluid end includes a number of plungers. The system includes an actuator that couples the power end with a selectable subset of the ...


10
Hau Pham, Guillermo Guerrero, Edward Leugemors, Jean Louis Pessin: Method for mounting a frac blender on a transport vehicle. Schlumberger Technology, Rodney Warfford, Dave Cate, Robin Nava, August 21, 2007: US07258522 (2 worldwide citation)

A frac blender mounted on a transport vehicle and adapted for movement along a vertical, linear path between a raised stowed position and a lowered operating position. The frac blender is moved between positions by a drive system that is slip connected to the frac blender for minimizing binding stre ...