4. Wells
  5. Packers or plugs
  6. With expanding anchor

Donald R. Greenlee

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Apparatus for treating well bores

Wells – Packers or plugs – With expanding anchor
Patent

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Friction spring and slip retainer for a mechanical setting tubin

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

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Hydraulically operated and released isolation packer

Wells – Processes – Placing or shifting well part
Patent

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Hydraulically operated well packer

Wells – Packers or plugs – With expanding anchor
Patent

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Quick set well packer

Wells – Packers or plugs – With expanding anchor
Patent

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Profile ID: LFUS-PAI-P-239323

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