Flow-actuated actuator and method

Details Flow-actuated actuator and method Flow-actuated actuator and method

2009-05-20

2011-11-01

Neuder, William P (Department: 3672)

Wells

Valves, closures or changeable restrictors

Longitudinally movable operator

C166S332800

Reexamination Certificate

active

08047293

ABSTRACT:
Disclosed herein is a flow-actuated actuator. The actuator includes, a tubular movable relative to a structure within which the tubular is positionable, and a plurality of full bore flow-resisting elements disposed at the tubular, the plurality of full bore flow-resisting elements having a greater resistance to fluid flow therethrough than any one of the plurality of full bore flow-resisting elements has alone.

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