Shut-in tool with electric timer

Details Shut-in tool with electric timer Shut-in tool with electric timer

E - Fixed Constructions

21

B

E21B 49/00 (2006.01) E21B 34/06 (2006.01) E21B 34/08 (2006.01) E21B 49/08 (2006.01)

Patent

CA 2073801

Abstract of the Disclosure A downhole shut-in tool includes a pilot valve which when opened places a differential pressure across a piston which in turn operably engages a shut-in valve element to close the shut-in tool. An electronic timer assembly and electric drive motor are provided for controlling the action of the pilot valve. The electronic timer assembly is also applicable to other types of downhole tools.

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