4. Wells
  5. Packers or plugs

Gregory B. Chitwood

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Annular isolators for expandable tubulars in wellbores

Wells – Packers or plugs – Spaced sealing portions
Reexamination Certificate

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Annular isolators for expandable tubulars in wellbores

Wells – Processes – Placing or shifting well part
Reissue Patent

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Annular isolators for expandable tubulars in wellbores

Wells – Packers or plugs
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Annular isolators for expandable tubulars in wellbores

Wells – Packers or plugs – Cup type
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Annular isolators for expandable tubulars in wellbores

Wells – Processes – Placing or shifting well part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2382454

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