4. Wells
  5. Packers or plugs
  6. Flow stopping type; e.g., plug

William Jani

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Bridge plug for a well bore

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Patent

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Cement staging apparatus for wells and including well casing and

Wells – Processes – Cementing – plugging or consolidating
Patent

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Port apparatus for well piping

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Patent

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Surge anchor assembly

Wells – Processes – Placing or shifting well part
Patent

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Tubing tightener

Wells – Expansible anchor or casing – With wedge or cam and friction drag
Patent

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Profile ID: LFUS-PAI-P-686943

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