Wells – Means for guiding insertable element laterally of well axis
Patent
1979-12-26
1981-09-01
Pate, III, William F.
Wells
Means for guiding insertable element laterally of well axis
E21B 2303
Patent
active
042866570
ABSTRACT:
There is disclosed an actuator and a kickover tool including an actuator in which force is applied through the actuator by hydraulic means in which force due to the pressure medium in which the tool is submerged is substantially balanced across the seals of the pressure chambers and in which the force acting on the tool due to the pressure of the medium in which the tool is submerged remains balanced in the event any one of the seals becomes ineffective.
REFERENCES:
patent: 2624412 (1953-01-01), Ragan
patent: 3318385 (1967-05-01), Conrad
patent: 4002203 (1977-06-01), Terral
Otis Engineering Corporation
Pate III William F.
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