4. Wells
  5. Processes
  6. Cementing, plugging or consolidating

Jeffry C. Ehlinger

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Apparatus for cementing a casing string

Wells – Valves – closures or changeable restrictors – Destructible element
Patent

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Cementing apparatus and method

Wells – Processes – Cementing – plugging or consolidating
Patent

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Multi-purpose float equipment and method

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Through the tubing bridge plug

Wells – Packers or plugs – With expanding anchor
Patent

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Well completion convertible float shoe/collar

Wells – Valves – closures or changeable restrictors – Fluid operated
Reexamination Certificate

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Profile ID: LFUS-PAI-P-279181

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