4. Wells
  5. Submerged well
  6. Connection or disconnection of submerged members remotely...

John J. Pritchard, Jr.

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Abandoning offshore well

Wells – Submerged well – With provision for disassembly
Patent

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Apparatus for perforating and producing a well

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature
Patent

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Combination hydraulic tubing hanger and chemical injection sub

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

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Formation fluid sampler

Wells – Processes – Sampling well fluid
Patent

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Profile ID: LFUS-PAI-P-1127113

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