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

James C. Doane

Inventor

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Activation of downhole tools

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

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Anchoring device removal method and apparatus

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Caged slip system

Wells – Packers or plugs – With expanding anchor
Patent

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Caged slip system and release methods

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Downhole packer with element extrusion-limiting device

Seal for a joint or juncture – Seal for well apparatus – For below ground apparatus
Reexamination Certificate

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Profile ID: LFUS-PAI-P-508531

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