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

Lewis D. Proctor

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Annular safety system

Wells – Packers or plugs – With expanding anchor
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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Multiple position service seal unit with positive position indic

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-743771

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