4. Wells
  5. Central member with pre-set packer or plug in same conduit

Marvin B. Traweek, IV

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Apparatus for blocking communication between well bore intervals

Wells – Central member with pre-set packer or plug in same conduit
Patent

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Apparatus for selectively injecting treating fluids into earth f

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

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Profile ID: LFUS-PAI-P-1047713

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