4. Wells
  5. Processes
  6. Operating valve, closure, or changeable restrictor in a well

Frank Giusti, Jr.

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Compact, retrievable packer

Wells – Packers or plugs – With expanding anchor
Patent

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Dual flapper valve assembly

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Expendable flapper valve

Wells – Means for forming filter beds
Patent

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Multi-position tool and method for running and setting a packer

Wells – Processes – Placing or shifting well part
Patent

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Multiple position service seal unit with positive position indic

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam
Patent

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Profile ID: LFUS-PAI-P-657391

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