4. Wells
  5. Packers or plugs
  6. Expanded by confined fluid from central chamber, pump or...

Jan Drechsler

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Inflatable downhole seal

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

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Wellbore primary barrier and related systems

Wells – Means for guiding insertable element laterally of well axis – Secured in operative position by movable means engaging well...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1207744

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