US 7,588,078 B2
Extended reach anchor
Robert S. O'Brien, Katy, Tex. (US)
Assigned to Baker Hughes Incorporated, Houston, Tex. (US)
Filed on Feb. 02, 2006, as Appl. No. 11/346,093.
Prior Publication US 2007/0175631 A1, Aug. 02, 2007
Int. Cl. E21B 23/00 (2006.01)
U.S. Cl. 166—217  [166/206; 166/382] 15 Claims
OG exemplary drawing
 
1. A downhole anchor, comprising:
a mandrel having at least one mandrel ramp;
at least one slip movably mounted with respect to said mandrel ramp, said slip mounted over said mandrel ramp in the run in position while said mandrel ramp extends radially further than said slip in said run in position;
a peak is defined by the outward end of said mandrel ramp, said slip defining a wall comprising at least one opening located wholly in said wall between ends thereof through which said peak extends in said run in position.