4. Wells
  5. Packers or plugs
  6. With central conduit and fluid port to space outside

James D. McFarlane

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Casing assembly probes

Measuring and testing – Borehole or drilling – Downhole test
Patent

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CPI Casing

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

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Isolating packer units in geological and geophysical measuring c

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

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Measuring casing coupler apparatus

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Sampler and measurement apparatus

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Patent

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Profile ID: LFUS-PAI-P-457822

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