1
Erik Rhein Knudsen, Claude J Vercaemer, Laurent P Prouvost, Arthur W Milne, Jean Louis Pessin: Method and apparatus for cementing a well. Schlumberger Technology Corporation, Robin C Nava, Thomas O Mitchell, July 31, 2001: US06267181 (83 worldwide citation)

In one embodiment, the invention relates to a method or process, useful in cementing a well, especially a hydrocarbon well, which is characterized by the use of increased external and internal diameter liners, the method being characterized by provision and use of a novel liner and liner-tool assemb ...


2
Jean Louis Pessin, Gregoire Jacob, Josh Rayner: System for precisely controlling a discharge rate of a product from a feeder bin. Schlumberger Technology Corporation, Michael Dae, David Cate, Robin Nava, December 7, 2010: US07845516 (43 worldwide citation)

A system for precisely controlling a discharge rate of a discharged product is provided that includes a feeder bin having an internal chamber; a product disposed in the internal chamber of the feeder bin; and a discharge device that receives a portion of the product and discharges it at a discharge ...


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: 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 ...


4
Erik Rhein Knudsen, Claude J Vercaemer, Laurent P Prouvost, Arthur W Milne, Jean Louis Pessin: Method and apparatus for cementing a well. Schlumberger Technology Corporation, Gordon G Waggett, Robin C Nava, August 8, 2000: US06098710 (37 worldwide citation)

In one embodiment, the invention relates to a method or process, useful in cementing a well, especially a hydrocarbon well, which is characterized by the use of increased external and internal diameter liners, the method being characterized by provision and use of a novel liner and liner-tool assemb ...


5
Harjit S Kohli, Elizabeth A Mackenzie, Gary L Rogers, Jean Louis Pessin, Erik Rhein Knudsen: Mixing and pumping vehicle. Schlumberger Technology Corporation, Stephen Schlather, Catherine Menes, December 3, 2002: US06488088 (33 worldwide citation)

A vehicle, such as a truck, includes mixing and pumping equipment for mixing a liquid and a particulate material (e.g., cement) and for pumping the mixture. One application is to pump the mixture into a wellbore for cementing a casing or liner to the wellbore inner wall. The vehicle includes a cab, ...


6
Ismail El Kholy, Gregoire Jacob, Jean Louis Pessin: Dry polymer hydration apparatus and methods of use. Schlumberger Technology Corporation, Michael Dae, Michael Flynn, David Cate, September 14, 2010: US07794135 (12 worldwide citation)

Disclosed are apparatus and methods for preparing wellbore viscous treatment gels from dry polymer and water. The apparatus includes an eductor which slurries dry polymer with water, at least two input tubes, wherein one input tube is connected with the eductor, and another to a water source. The ap ...


7
Ismail El Kholy, Gregoire Jacob, Jean Louis Pessin: Dry polymer hydration apparatus and methods of use. Schlumberger Technology Corporation, Michael Dae, David Cate, Robin Nava, January 11, 2011: US07866881 (9 worldwide citation)

Disclosed are apparatus and methods for preparing wellbore viscous treatment gels from dry polymer and water. The apparatus includes an eductor which slurries dry polymer with water, at least two input tubes, wherein one input tube is connected with the eductor, and another to a water source. The ap ...


8
Jean Louis Pessin, Laurent Coquilleau, Josh Rayner, Michael Woodmansee: Method for continuously batch mixing a cement slurry. Schlumberger Technology Corporation, Michael Flynn, Rodney Warfford, David Cafe, December 16, 2008: US07464757 (8 worldwide citation)

A method for continuously batch mixing a homogenized cement slurry is provided that includes providing first and second mix tubs which each perform a process which include: receiving a measured quantity of solid and liquid constituents of a cement mixture; mixing the solid and liquid constituents of ...


9
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 ...


10
Philippe Gambier, Toshimichi Wago, Jean Louis Pessin: Valve-seat interface architecture. Schlumberger Technology Corporation, Myron K Stout, Daryl Wright, Robin Nava, November 27, 2012: US08317498 (5 worldwide citation)

A pump assembly with valve-seat interface architecture configured to extend the life of pump components and the assembly. A valve of the pump assembly is equipped with a conformable valve insert that is configured with a circumferential component having the capacity to reduce the radial strain of it ...