21
Pierre Yves Corre, Jean Louis Pessin, Julian Pop, St├ęphane Metayer, Stephen Yeldell: Packer assembly with enhanced sealing layer shape. Schlumberger Technology Corporation, Kenneth Kincaid, Cathy Hewitt, November 10, 2015: US09181771 (2 worldwide citation)

A packer assembly with an enhanced sealing layer is provided. The packer assembly may have an outer bladder with drains. The packer assembly may further have an inflatable inner packer disposed inside the outer bladder such that inflation of the inner packer causes the outer bladder to expand. End p ...


22
Jean Louis Pessin, Ismail El Kholy, Gregoire Jacob: Method of supplying a powdered chemical composition to a wellsite. Schlumberger Technology Corporation, Michael Flynn, David Cate, Robin Nava, June 2, 2009: US07540308 (2 worldwide citation)

A method of conditioning a compacted polymeric powder to a flowable and meterable state. The polymeric powder is compacted during transport such that the flowability is hindered. To increase flowability, gas is introduced into the polymeric powder to condition the same to an improved flowable and me ...


23
Jean Louis Pessin, Josh Rayner, Laurent Coquilleau, Michael Woodmansee: Centrifugal pump for abrasive fluid. Schlumberger Technology Corporation, Michael Flynn, David Cate, Robin Nava, June 22, 2010: US07740447 (2 worldwide citation)

A centrifugal pump for abrasive fluid. The pump may include a bearing housing mounted to a tank containing an abrasive fluid. The bearing housing may house wear-susceptible components in a manner distancing and isolating the components from the fluid. A shaft may be coupled to the bearing housing an ...


24
Jean Louis Pessin, Pierre Yves Corre, Guillaume Boutillon: Method of constructing an expandable packer. Schlumberger Technology Corporation, David J Smith, September 20, 2011: US08020294 (2 worldwide citation)

A technique involves a packer formed as an expandable packer with an internal expandable bladder. The expandable bladder is formed with a section that is radially enlarged relative to an axial end of the expandable bladder when the bladder is in a relaxed state. The bladder configuration enables use ...


25
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 ...


26
Toshimichi Wago, Jean Louis Pessin, Nathan St Michel: Positive displacement pump monitor. Schlumberger Technology Corporation, Rodney Warfford, Michael Flynn, David Cate, July 22, 2008: US07401500 (2 worldwide citation)

A positive displacement pump monitor. The monitor includes a sensor coupled to a housing of a pump for obtaining acoustic data therefrom. A proximity switch may be simultaneously used to keep real time timing information relative to the cycling of the pump. A data processor of the monitor may then b ...


27
Jean Louis Pessin, Edward Leugemors, Sylvain Bedouet: Integrated axial flow pump. Schlumberger Technology Corporation, August 24, 2004: US06779965 (2 worldwide citation)

An apparatus is given for feeding a lubricating and cooling material to a pump or other device having a rotating member that operates intermittently. In particular it deals with methods for delivering lubricant to the pump whenever, and only whenever, the pump is running and with ensuring that the p ...


28
Pierre Yves Corre, Gilles Carree, Guillaume Boutillon, Zeynep Alpman, Stephane Metayer, Jean Louis Pessin: Fiber reinforced packer. Schlumberger Technology Corporation, John M Vereb, Michael Flynn, December 25, 2012: US08336181 (1 worldwide citation)

A technique enables construction of a simplified inflatable packer. An inflatable packer is constructed with a packer reinforcement layer having at least one fiber layer. The fiber layers provide both mechanical and anti-extrusion qualities in a relatively simple and small package. Depending on the ...


29
Rod Shampine, Paul Dwyer, Ronnie Stover, Mike Lloyd, Jean Louis Pessin, Edward Kent Leugemors, Larry D Welch, Joe Hubenschmidt, Philippe Gambier, William Troy Huey, Thomas Allan: Split stream oilfield pumping systems. Schlumberger Technology Corporation, Jeffrey R Anderson, April 28, 2015: US09016383 (1 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 ...


30
Rod Shampine, Paul Dwyer, Ronnie Stover, Mike Lloyd, Jean Louis Pessin, Edward Leugemors, Larry D Welch, Joe Hubenschmidt, Philippe Gambier, William Troy Huey, Thomas Allan: Split stream oilfield pumping systems. Schlumberger Technology Corporation, Rachel E Greene, Tim Curington, October 7, 2014: US08851186 (1 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 ...