11
Rajesh Luharuka, Rod Shampine, Jean Louis Pessin, Philippe Gambier, Joe Hubenschmidt, John Lassek: Method for oilfield material delivery. Schlumberger Technology Corporation, Myron K Stout, Michael M Dae, Michael Flynn, March 6, 2012: US08127844 (4 worldwide citation)

In an embodiment, a method of operating at least one pressure vessel to inject a particulate slurry into a high-pressure line, comprises a first operating cycle comprising: isolating the at least one pressure vessel from the high-pressure line; introducing particulate solids into the pressure vessel ...


12
Marie Noelle Dessinges, Jean Louis Pessin: Dry blend fracturing fluid additives. Schlumberger Technology Corporation, Rachel Greene, David Cate, Jeff Griffin, July 5, 2011: US07972998 (4 worldwide citation)

A method and composition for crosslinking a polymer based fluid includes providing a dry blend of crosslinker and delay agent. The crosslinker and delay agent are mixed and granulated in a dry form prior to addition to the polymer fluid.


13
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 ...


14
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 ...


15
Rod Shampine, Jean Louis Pessin, Joseph K Flowers, Robin Mallalieu: Apparatus and method for engaging a tubular. Schlumberger Technology Corporation, Myron K Stout, Michael Flynn, Robin Nava, February 19, 2013: US08376041 (3 worldwide citation)

An apparatus for engaging with an outside diameter of a tubular comprises a device body having an internal surface that defines an internal diameter in a first position and allowing the tubular to pass therethrough and an actuator operable to move the internal surface of the device body from the fir ...


16
Nathan St Michel, Toshimichi Wago, Joe Hubenschmidt, Jean Louis Pessin: System and method for determining onset of failure modes in a positive displacement pump. Schlumberger Technology Corporation, Myron Stout, Daryl Wright, Robin Nava, February 5, 2013: US08366402 (3 worldwide citation)

A reciprocating pump system is utilized. The system facilitates the prediction of failure modes due to degradation of pump components. A sensor system is used to monitor parameters indicative of abnormal events or wear occurring in specific components, such as pump valves. The indications of wear ca ...


17
Jean Louis Pessin, Gregoire Jacob, Ismail El Kholy: Circulating fluid system for powder fluidization and method of performing same. Schlumberger Technology Corporation, Mike Flynn, David Cate, Robin Nava, June 8, 2010: US07731411 (3 worldwide citation)

An aeration system for circulating an aerating fluid through a chemical composition within a container. The aeration system is closed-loop such that the aeration fluid is supplied by a fluid supply system to the interior of a container to aerate the chemical composition therein. The aeration fluid i ...


18
Brian Doud, James Benner, Ravicharan Mydur, Jean Louis Pessin, Jeff Kamps, Jose R Jimenez III, Emma Ford: High load flange profile for a wireline drum. Schlumberger Technology Corporation, Michael Flynn, David Cate, Jaime Castano, October 21, 2008: US07438280 (3 worldwide citation)

A wireline cable winch drum is provided that includes a core having a longitudinal axis; a pair of flanges spaced apart and extending radially outwardly from the core; and a wireline cable wrapped around the core in the space between the flanges. In one embodiment, at least one of the flanges includ ...


19
Rajesh Luharuka, Rod Shampine, Jean Louis Pessin, Philippe Gambier, Joe Hubenschmidt: Apparatus and method for oilfield material delivery. Schlumberger Technology Corporation, Jeffrey Anderson, Rachel Greene, Tim Curington, September 15, 2015: US09133701 (2 worldwide citation)

An embodiment of a method of operating at least two pressure vessels to inject a particulate slurry into a high-pressure line, comprises a first operating cycle comprising: isolating a pressure vessel from the high-pressure line, introducing, under low-pressure conditions, particulate solids into th ...


20
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 ...