LandOfFree - US Patents - Listing for Wells,Valves, closures or changeable restrictors,Longitudinally movable operator

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Safety valve with extension springs

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sampler and measurement apparatus

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sand control seal for subsurface safety valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Seal stack for sliding sleeve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Seal stack for sliding sleeve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sealing system for downhole well valves

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sleeve valve flow control device with locator shifter

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding sleeve assembly for subsurface flow control

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding sleeve casing tool

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding sleeve valve and seal ring for use therein

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding sleeve with sleeve protection

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding valve float collar

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Sliding-sleeve valve for an oil well

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Spoolable flexible sliding sleeve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Subsurface control valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Subsurface control valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Subsurface safety valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Subsurface safety valves and methods of use

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Subsurface safety valves and methods of use