1
Dinesh R Patel, Y Gil Hilsman III, Herve Ohmer, Stephane Hiron, Philippe Gambier, Jonathan K C Whitehead, Randolph J Sheffield, Rodney J Wetzel, John R Whitsitt, Thomas D MacDougall, Nitin Y Vaidya, James D Hendrickson, John E Edwards, Donald W Ross, Rashmi B Bhavsar: System and method to seal using a swellable material. Schlumbeger Technology Corporation, Trop Pruner & Hu P C, Jeremy P Welch, Tim Curington, February 23, 2010: US07665537 (76 worldwide citation)

The invention is a sealing system, such as a packer, that is used in a wellbore to seal against an exterior surface, such as a casing or open wellbore. The sealing system includes a swellable material that swells from an unexpanded state to an expanded state thereby creating a seal when the swellabl ...


2
John R Whitsitt, Carlos Araque, David M Eslinger, Philippe Gambier, Dinesh R Patel, Chad Hardwick, Jason K Jonas, Robert Divis, Randolph J Sheffield, Bryan L White, Chad Lucas: Zonal isolation tools and methods of use. Schlumberger Technology Corporation, Van Someren PC, Jeremy P Welch, James L Kurka, September 22, 2009: US07591321 (42 worldwide citation)

Zonal isolation tools and methods of using same are described. The zonal isolation tools include a wellbore sealing member expandable by fluid pressure to contact a wellbore over an initial contact area, an inflation valve open during expansion of the sealing member to the initial contact area and c ...


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
Philippe Gambier: Well packer having an energized sealing element and associated method. Schlumberger Technology Corporation, Fred G Pruner, Dona C Edwards, Bryan P Galloway, June 26, 2007: US07234533 (38 worldwide citation)

The present invention provides for a seal assembly that maintains a seal under various conditions by providing a source of stored energy that can be used to insure contact forces are maintained.


5
Brian W Cho, Philippe Gambier, John R Whitsitt, Arin Basmajian, Jose F Garcia, Youel G Hilsman III: Setting tool for hydraulically actuated devices. Schlumberger Technology Corporation, Jeremy P Welch, James L Kurka, July 21, 2009: US07562712 (30 worldwide citation)

A tool is actuated in a well based on one or more issued commands being interpreted and implemented by the apparatus. The apparatus comprises a power generation module that multiplies pressure delivered downhole to enable actuation of the tool without requiring delivery of the higher actuation press ...


6
Emmanuel Rioufol, Philippe Gambier, Eric Veignat, Ian Raw, Ian David Bryant: Centralizer including measurement means. Schlumberger Technology Corporation, Victor H Segura, Brigitte L Echols, July 4, 2006: US07071697 (11 worldwide citation)

A centralizer (1) for position a casing (3) in a conduit (4) passing through underground formations includes measurement means (7) such as an electrode for deriving at least one representative parameter of the formations.


7
Emmanuel Rioufol, Brian W Cho, Mark W Brockman, Philippe Gambier: Downhole measurement system and method. Schlumberger Technology Corporation, Robert Van Someren, Jeremy P Welch, James L Kurka, December 2, 2008: US07458420 (7 worldwide citation)

A system and method is provided to measure a pressure or other characteristic at a source (e.g. a hydraulic power supply) and in or near a downhole tool. A comparison of the measurements is then made to verify that the system is operating according to desired parameters. In specific applications, th ...


8
Philippe Gambier, Jose F Garcia, John Whitsitt: Dynamic inflatable sealing device. Schlumberger Technology Corporation, Henry L Ehrlich, Bryan P Galloway, Tim Curington, June 17, 2008: US07387157 (6 worldwide citation)

A dynamic inflatable sealing device for maintaining the pressure within an inflatable element at least substantially equal to the pressure in the annulus to maintain the inflatable element in a sealing position. The dynamic sealing device includes an inflatable element forming an internal chamber, t ...


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
Dinesh R Patel, Jose F Garcia, Philippe Gambier: Annular barrier tool. Schlumberger Technology Corporation, Trop Pruner & Hu P C, Bryan P Galloway, Tim Curington, March 25, 2008: US07347274 (5 worldwide citation)

The present invention provides for an annular barrier tool to block or restrict the flow of well fluids in the annular region of a well.