4. Wells
  5. Packers or plugs
  6. Controllable passage through packer

Emil Hauck

Inventor

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Downhole flow and pressure control valve for wells

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

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Fixed head inflatable packer with fully reinforced inflatable el

Wells – Processes – Placing or shifting well part
Patent

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Flow and pressure control packer valve

Wells – Packers or plugs – Controllable passage through packer
Patent

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Profile ID: LFUS-PAI-P-1577076

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