4. Wells
  5. Valves, closures or changeable restrictors
  6. Fluid operated

Otis Engineering Corporation

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Actuator

Wells – Means for guiding insertable element laterally of well axis
Patent

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Actuator

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent

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Actuator

Wells – Packers or plugs – Controllable passage through packer
Patent

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Actuator for wireline blowout preventer

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Patent

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Actuator module for wireline cutting safety valve

Valves and valve actuation – Fluid actuated or retarded – Piston type expansible chamber reciprocating valve actuator
Patent

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Profile ID: LFUS-PAI-P-7611

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