4. Fluid handling
  5. Systems
  6. Plural noncommunicating flow paths

Edwin R. Knerr

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Crossover tree system

Wells – Processes – Assembling well part
Reexamination Certificate

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Tubing hanger with ball valve

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Tubing hanger with flapper valve

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead connection of hydraulic control lines

Fluid handling – Systems – Plural noncommunicating flow paths
Patent

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Profile ID: LFUS-PAI-P-254711

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