Actuator

Details Actuator Actuator

E - Fixed Constructions

21

B

166/44

E21B 43/12 (2006.01) E21B 34/10 (2006.01) E21B 34/14 (2006.01)

Patent

CA 1140462

ACTUATOR Abstract of the Disclosure There is disclosed a testing system employing a circu- lating tool, a cushion valve, a seal unit packer with a foot sleeve, and a landing nipple with a transducer fitting. This system permits running a packer with a foot sleeve and trans- ducer fitting and landing it in the well, and subsequently running a tubing with a circulating tool and cushion valve to land in the seal unit. Thereafter a transducer may be run on a wireline. The disclosure includes a particular circulating tool employing multiple escapements in which the circulating tool when closed is urged to closed position and when open is urged to open position.

349073

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