| 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 |

| 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.
|