1
Julio C Guerrero: Mechanism that assists tractoring on uniform and non-uniform surfaces. Schlumberger Technology Corporation, Wayne Kavak, Robin Nava, Tim Curington, June 28, 2005: US06910533 (31 worldwide citation)

A six-bar linkage mechanism for conforming to the configuration of a tractored surface having a central link defined by a tool body and a saddle link spaced from the central link and movable for conforming with the tractored surface. A pair of front links each having pivotal connection with respecti ...


2
Kuo Chiang Chen, Jahir A Pabon, Partha Ganguly, Murat Ocalan, Julio C Guerrero, Kevin J Forbes: Harvesting energy from flowing fluid. Schlumberger Technology Corporation, Brigid Laffey, James McAleenan, July 14, 2009: US07560856 (21 worldwide citation)

Electrical energy is produced at a remote or close site by converting kinetic energy from fluid flow with membranes that generates electrical energy in response to deformation by the fluid flow passing though a piezo electric medium attached to the deforming membranes. Sets of membranes define varia ...


3
Julio C Guerrero, Demos Pafitis, Alex Arzoumanidis: Apparatus and method for drilling a branch borehole from an oil well. Schlumberger Technology Corporation, James McAleenan Esq, Vincent Loccisano Esq, Jody DeStefanis Esq, July 22, 2008: US07401665 (20 worldwide citation)

A wireline drill train is used to drill an elongated, small diameter, lateral branch borehole from near the base of a main well. The drill train, includes a drill module, a first self-propelled thrust module coupled to the drill module, and a second self-propelled thrust module pivotally coupled to ...


4
Julio C Guerrero, Jahir A Pabon, Francois M Auzerais, Kuo Chiang Chen, Kevin J Forbes: Harvesting energy in remote locations. Schlumberger Technology Corporation, Brigid Laffey, Vincent Loccisano, James McAleenan, March 15, 2011: US07906861 (18 worldwide citation)

Electrical energy is produced at a remote site by converting kinetic energy from the environment. The kinetic energy may include vibrations and flow of fluid. In some embodiments the kinetic energy causes magnets to move with respect to coils in order to produce electrical energy. An anchor holds th ...


5
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 (17 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 ...


6
Julio C Guerrero, Falk W Doering, Carl J Roy, Paul J Beguin: Open hole tractor with tracks. Schlumberger Technology, Rodney Warfford, Tim Curington, Bill Batzer, January 2, 2007: US07156192 (15 worldwide citation)

A downhole tractor is provided that may be used in open or cased wells, and is also designed for use in open holes having a variety of soil/formation consistencies (e.g., soft, firm, rigid, etc.), varying diameters and non-uniform and irregular bore profiles. The tractor may include a track assembly ...


7
Julio C Guerrero, Pascal Panetta, Hitoshi Tashiro: Subsea operations support system. Schlumberger Technology Corporation, Brigid Laffey, Vincent Loccisano, James McAleenan, April 19, 2011: US07926438 (8 worldwide citation)

An underwater operations support system facilitates underwater exploration, monitoring, maintenance and construction operations associated with development of natural resources. The operations support system may include energy generation subsystems, energy accumulation subsystems, communication subs ...


8
Julio C Guerrero, Logan Munro, Nathan Wicks, Agathe Robisson: Expandable structure for deployment in a well. Schlumberger Technology Corporation, Michael Flynn, Timothy Curington, Robin Nava, May 27, 2014: US08733453 (4 worldwide citation)

An expandable structure for passive deployment in a well. The structure may be locked in a position determined by the inner dimensions of the well in which it is deployed. Practical uses for the structure may include production tubing or a host of other devices for affixing downhole with a final dia ...


9
Julio C Guerrero: Logging tool deployment systems and methods with pressure compensation. Schlumberger Technology Corporation, Brigid Laffey, Vincent Loccisano, James McAleenan, June 15, 2010: US07735564 (4 worldwide citation)

Systems and processes are provided for facilitating transfer of downhole devices through a reversibly sealable wellhead fixture capping a well under pressure, without jeopardizing operators, equipment, or the well itself. An open ended pressurizable vessel is provided that is sized and shaped to acc ...


10
Julio C Guerrero, Logan Munro: System and methods for actuating reversibly expandable structures. Schlumberger Technology Corporation, October 23, 2012: US08291781 (3 worldwide citation)

An actuator is provided for reconfiguring a reversibly expandable structure, also referred to as a deployable structure. The deployable structure includes an enclosed mechanical linkage capable of transformation between expanded and collapsed configurations while maintaining its shape. An actuator c ...