CPC E21B 34/10 (2013.01) [E21B 23/06 (2013.01); E21B 33/1285 (2013.01); E21B 33/134 (2013.01); E21B 2200/04 (2020.05)] | 20 Claims |
1. A packer setting mechanism, comprising:
a setting chamber housing positionable about a mandrel to define at least a portion of a setting chamber between the mandrel and the setting chamber housing;
a setting port fluidically coupling a through bore of the mandrel with the setting chamber;
a valve element biased toward a closed position within the setting port; and
a guide sleeve disposed about the mandrel in a first position that props the valve element to an open position, the guide sleeve moveable to a second position in response to a threshold pressure applied to the setting chamber that releases the valve element to the closed position.
|