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  6. Operating valve, closure, or changeable restrictor in a well
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Valve and sensing device for well conduits

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Valve apparatus for controlling communication between the interi

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Valve apparatus for use in sand control

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Valve for an internal fill up tool and associated method

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Valve for use in wells

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Valve within a control line

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Valving apparatus for downhole tools

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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