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Claude Vercaemer, Hubertus V Thomeer: Technique utilizing an insertion guide within a wellbore. Schlumberger Technology, Robert A Van Someren PC, Jeffrey E Griffin, Brigitte Echols, November 23, 2004: US06820690 (93 worldwide citation)

A technique for facilitating the use of a variety of completion elements in a wellbore environment. The technique utilizes an insertion guide disposed within an open-hole section of a wellbore. The insertion guide may be radially expanded towards the surrounding formation to remove excess annular sp ...


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Hubertus V Thomeer, Sarmad Adnan: Apparatus and method for downhole well equipment and process management, identification, and actuation. Schlumberger Technology Corporation, Robin C Nava, December 25, 2001: US06333700 (87 worldwide citation)

A method for actuating or installing downhole equipment in a wellbore employs non-acoustic signals (e.g., radio frequency signals) to locate, inventory, install, or actuate one downhole structure in relation to another downhole structure. The method comprises the steps of: (a) providing a first down ...


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Hubertus V Thomeer, Zheng Rong Xu, Sarmad Adnan, Michael H Kenison: Universal downhole tool control apparatus and methods. Schlumberger Technology Corporation, Robin Nava, Wayne Kanak, July 12, 2005: US06915848 (74 worldwide citation)

A method and apparatus for internal data conveyance within a well from the surface to a downhole tool or apparatus and for returning downhole tool data to the surface, without necessitating the provision of control cables and other conventional conductors within the well. One embodiment involves sen ...


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Hubertus V Thomeer, James Michael Costley, Randolph J Sheffield, David M Eslinger, Marc Allcorn, Mark C Oettli: Downhole machining of well completion equipment. Schlumberger Technology Corporation, Stephen Schlather, Brigitte L Jeffery, John J Ryberg, August 27, 2002: US06439313 (54 worldwide citation)

A method of machining a workpiece in a subterranean wellbore comprises the steps of: (a) providing a workpiece that comprises (1) a first section that comprises a first material, and (2) a second section that comprises a second material, the second section forming at least one surface of the workpie ...


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Hubertus V Thomeer, Sarmad Adnan, Randolph J Sheffield, Michael H Kenison, Kevin J Forbes: Apparatus and method for downhole well equipment and process management, identification, and actuation. Schlumberger Technology Corporation, Tim Curington, Robin Nava, Wayne Kanek, January 24, 2006: US06989764 (50 worldwide citation)

A method for actuating or installing downhole equipment in a wellbore employs non-acoustic signals (e.g., radio frequency signals) to locate, inventory, install, or actuate one downhole structure in relation to another downhole structure. The method comprises the steps of: (a) providing a first down ...


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Hubertus V Thomeer, Sarmad Adnan: Apparatus and method for downhole well equipment and process management, identification, and operation. Schlumberger Technology Corporation, Rodney Warfford, David Cate, Robin Nava, June 10, 2008: US07385523 (49 worldwide citation)

A method for operating a downhole tool. The method includes moving an instrument through a wellbore, and the instrument includes a first non-acoustic transponder that is adapted to detect identification codes. An identification code detected from at least one second non-acoustic transponder is compa ...


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Robert M Sorem, David M Eslinger, Hubertus V Thomeer, Darrin Willauer, Sarmad Adnan: Well treating system with pressure readout at surface and method. Dowell Schlumberger Incorporated, Stephen A Littlefield, September 27, 1994: US05350018 (38 worldwide citation)

A well treating tool string run on coiled tubing and having packers to isolate a zone to be treated in response to operation of a selector valve, pressure and temperature transducers in the tool string and a telemetry system which samples the measurements made by the transducers, an electrical condu ...


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Shunfeng Zheng, Benjamin P Jeffryes, Hubertus V Thomeer, Lawrence J Leising: Method and apparatus to vibrate a downhole component. Schlumberger Technology Corporation, Wayne I Kanak, Brigitte L Jeffery, John J Ryberg, June 3, 2003: US06571870 (17 worldwide citation)

An apparatus for use in a wellbore comprises a housing having a longitudinal axis and a mechanism having one or more impact elements adapted to move along the longitudinal axis in an oscillating manner to impart a back and forth force on the housing to vibrate the housing. In another arrangement, an ...


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Julio C Guerrero, Hitoshi Tashiro, Bartley Patton, Hubertus V Thomeer, Robin Mallalieu: Wellsite systems utilizing deployable structure. Schlumberger Technology Corporation, Michael Dae, Michael Flynn, David Cate, March 1, 2011: US07896088 (16 worldwide citation)

An apparatus for deploying an instrument usable with a well comprises at least one reversibly expandable structure, at least one actuator operable to change a perimeter dimension of the at least one reversibly expandable structure, at least one instrument disposed interior of the at least one revers ...