4. Wells
  5. Submerged well
  6. Wellhead

Daniel J. Riddell

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Wellhead production pumping tree

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead production pumping tree with access port

Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Reexamination Certificate

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Wellhead stuffing box support assembly

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2534564

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