4. Wells
  5. Packers or plugs
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Deformable member

Wells – Packers or plugs
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Deformable member

Wells – Packers or plugs
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Deployment system

Wells – Packers or plugs
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for annular well isolation

Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for intensification of hydrocarbon production and hydroca

Wells – Packers or plugs – Spaced sealing portions
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for plugging horizontal or vertical wells in oil or simil

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for use with a retrievable bridge plug

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Disappearing plug

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Disappearing plug

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Double seals packers for subterranean wells

Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Double-grip thermal expansion screen hanger and running tool

Wells – Packers or plugs – With expanding anchor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Down hole inhibitor injector

Wells – Packers or plugs – With controllable bypass outside central conduit
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole actuation tool

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole fluid separation system

Wells – Packers or plugs – With central conduit and fluid port to space outside
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole isolation device with retained valve member

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole isolation tool

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole oil well tool running and pulling with hydraulic releas

Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole packer actuated vent assembly

Wells – Packers or plugs – With expanding anchor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole packer system

Wells – Packers or plugs – With expanding anchor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Downhole plug

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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