| CPC E21B 34/066 (2013.01) [E21B 34/14 (2013.01)] | 21 Claims |
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1. A downhole actuator device for use in directing wellbore fluid to be used in performing work in a wellbore, said downhole actuator device comprising:
a pressure chamber;
an insertable activation module;
a mechanical trigger capable of generating a force or pressure within the pressure chamber when activated by the insertable activation module; and
a pressure responsive member which is selectively moveable from a closed position to an open position by said activation module and mechanical trigger;
wherein said mechanical trigger comprises a plurality of retainer dogs; a trigger sleeve; a trigger sleeve spring; a sear arm housing; and a plurality of sear arms, and
wherein when said pressure responsive member moves from the closed position to the open position, wellbore fluid is allowed to enter the device thru an exposed passage in the pressure chamber distal to said pressure responsive member.
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