Windel O. Mayfield

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Apparatus and method for raising a fluid in a well

Wells – With eduction pump or plunger
Reexamination Certificate

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Apparatus and method for raising a fluid in a well

Wells – Processes – Producing the well
Reexamination Certificate

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Float valve assembly

Fluid handling – With casing – support – protector or static constructional... – Jacketed
Patent

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Grout seal

Patent

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Platform leg diaphragm

Wells – Receptacles – With separate air chamber having openable passage
Patent

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Profile ID: LFUS-PAI-P-461112

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