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
Sheiretov Todor K, Chilcoat Dwight C, Ewan Robin A, Roy Carl J, Billingham Matthew, Aguirre Franz: Self-anchoring device with force amplification. Schlumberger Canada, Services Petroliers Schlumberger, Schlumberger Holdings, Schlumberger Technology, Prad Research And Development, Sheiretov Todor K, Chilcoat Dwight C, Ewan Robin A, Roy Carl J, Billingham Matthew, Aguirre Franz, CURINGTON TIM, August 16, 2007: WO/2007/091218 (1 worldwide citation)

A downhole tool is provided that includes a grip assembly (312) for contacting a well formation. The grip assembly includes a gripper body (36); 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 devic ...


4
Roy Carl J, Billingham Matthew, Aguirre Franz, Sheiretov Todor K, Chilcoat Dwight, Ewan A Robin: Self-anchoring device with force amplification. Schlumberger Holdings, December 3, 2008: GB2449785-A

A downhole tool is provided that includes a grip assembly (312) for contacting a well formation. The grip assembly includes a gripper body (36); 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 devic ...


5
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 ...


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 ...