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Valve within a control line

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Valves for use in wells

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Valves for use in wells

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Valving apparatus for downhole tools

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor extraction of hydrocarbon deposits

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor recovery apparatus and method

Wells – Processes – Separating material entering well
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor recovery system

Wells – Processes – Producing the well
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor recovery system

Wells – Processes – With indicating – testing – measuring or locating
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor recovery system

Wells – Processes – Producing the well
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Vapor-extraction system for removing hydrocarbons from soil

Wells – Processes – In situ combustion
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable choke valve

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable choke valve

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable density treatment fluids and methods of using such...

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable intensity memory gravel pack imaging apparatus and...

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable OD coiled tubing strings

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable pressure pump through nozzle

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable size coil tubing gripping elements

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Variable time delay firing head

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Varying temperature oil recovery method

Wells – Processes – Distinct – separate injection and producing wells
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Venting apparatus and method for remediation of a porous medium

Wells – Processes – Distinct – separate injection and producing wells
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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