4. Wells
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Hydrocarbon vent hood

Wells – Processes – Assembling well part
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrocarbon-assisted thermal recovery method

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrodynamic, down-hole anchor

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrogen generating system

Wells – With heating – refrigerating or heat insulating means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrologic cells for recovery of hydrocarbons or thermal energy

Wells – Processes – In situ combustion
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrologic cells for the exploitation of hydrocarbons from carbo

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrolyzed polyacrylamide latices for secondary oil recovery

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrophilic polymer gel water sealing process

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrophobically modified polymers for a well completion...

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic control valve

Wells – Processes – Cleaning or unloading well
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic pressure release for bottom hole oil well pumps

Wells – With eduction pump or plunger – Having sediment trap or deflector
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic referenced safety-circulating valve

Wells – Valves – closures or changeable restrictors – Fluid operated
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic separator apparatus and method

Wells – Processes – Producing the well
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic setting tool including a selectively operable appara

Wells – With electrical means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic standing valve

Wells – Valves – closures or changeable restrictors – Fluid operated
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic syringe for depositing processing products in wells

Wells – Receptacles – Lateral ports used in well
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic tool with electrically operated setting mechanism

Wells – With electrical means – Valve
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatic, slow actuating subterranean well tool manipulation

Wells – Processes – Placing or shifting well part
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrostatically actuated packer

Wells – Packers or plugs – With expanding anchor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Hydrothermally forming a flow barrier in a leached subterranean

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

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