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

John O. Wambaugh

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Apparatus for sealing a well casing

Wells – Packers or plugs – With expanding anchor
Patent

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Apparatus for sealing a well casing

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

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Reinforcing element and demand sensitive pressure intensifier fo

Wells – With eduction pump or plunger – Having sediment trap or deflector
Patent

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Profile ID: LFUS-PAI-P-460639

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