US 11,719,061 B2
Casing exit anchor with redundant activation system
Tuan Nguyen, Pearland, TX (US); and Gregory Hern, Porter, TX (US)
Assigned to BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US)
Filed by Tuan Nguyen, Pearland, TX (US); and Gregory Hern, Porter, TX (US)
Filed on Aug. 4, 2021, as Appl. No. 17/393,697.
Application 17/393,697 is a division of application No. 16/829,048, filed on Mar. 25, 2020, granted, now 11,136,843.
Prior Publication US 2021/0363842 A1, Nov. 25, 2021
Int. Cl. E21B 23/01 (2006.01); E21B 29/06 (2006.01); E21B 23/04 (2006.01)
CPC E21B 23/01 (2013.01) [E21B 23/04 (2013.01); E21B 29/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of activating an anchor supported by a tubular in a wellbore having a casing tubular, the method comprising:
introducing an activation force to an anchor setting system;
shifting a trigger supported by the tubular to disengage from and release a slip supported by a housing of the anchor; and
shifting the slip relative to the housing with a biasing element arranged in the slip, the biasing element being preloaded by a tensioning member arranged in an internal chamber of the anchor.