1
Todor K Sheiretov, Dwight C Chilcoat, Robin A Ewan, Carl J Roy, Matthew Billingham, Franz Aguirre: Self-anchoring device with force amplification. Schlumberger Technology Corporation, Rodney Warfford, David Cate, Jaime Castano, April 14, 2009: US07516782 (23 worldwide citation)

A downhole tool is provided that includes a grip assembly for contacting a well formation. The grip assembly includes a gripper body; and a centralizer that is attached to and radially expandable with respect to the gripper body and that has a geometry which is lockable by a locking device. The grip ...


2
Todor K Sheiretov, Dwight C Chilcoat, Robin A Ewan, Carl J Roy, Matthew Billingham, Franz Aguirre: Self-anchoring device with force amplification. Schlumberger Technology Corporation, Michael Flynn, David Hofman, Jody Destefanis, December 21, 2010: US07854258 (13 worldwide citation)

A downhole tool is provided that includes a grip assembly for contacting a well formation. The grip assembly includes a gripper body; and a centralizer that is attached to and radially expandable with respect to the gripper body and that has a geometry which is lockable by a locking device. The grip ...


3
Arthur I Watson, Dwight C Chilcoat: Stage pump having composite components. Schlumberger Technology Corporation, Robert VanSomeren, Bryan P Galloway, Jaime A Castano, December 27, 2005: US06979174 (5 worldwide citation)

A system and method is provided for pumping fluid. A pump incorporates composite components that provide a high degree of formability while maintaining wear resistance for use in potentially abrasive environments. The composite components may comprise one or more impellers and/or one or more diffuse ...


4
Todor K Sheiretov, Dwight C Chilcoat, Robin A Ewan, Carl J Roy, Matthew Billingham, Franz Aguirre: Self-anchoring device with force amplification. Schlumberger Ipc, August 9, 2007: US20070181298-A1

A downhole tool is provided that includes a grip assembly for contacting a well formation. The grip assembly includes a gripper body; and a centralizer that is attached to and radially expandable with respect to the gripper body and that has a geometry which is lockable by a locking device. The grip ...


5
Arthur I Watson, Dwight C Chilcoat: Stage pump having composite components. Schlumberger Reservoir Completions, April 7, 2005: US20050074330-A1

A system and method is provided for pumping fluid. A pump incorporates composite components that provide a high degree of formability while maintaining wear resistance for use in potentially abrasive environments. The composite components may comprise one or more impellers and/or one or more diffuse ...


6
Todor K Sheiretov, Dwight C Chilcoat, Robin A Ewan, Carl J Roy, Matthew Billingham, Franz Aguirre: Self-Anchoring Device with Force Amplification. Schlumberger Ipc, June 25, 2009: US20090159269-A1

A downhole tool is provided that includes a grip assembly for contacting a well formation. The grip assembly includes a gripper body; and a centralizer that is attached to and radially expandable with respect to the gripper body and that has a geometry which is lockable by a locking device. The grip ...