4. Fluid handling
  5. Destructible or deformable element controlled
  6. Destructible element

R. Lee Colvard

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Methods and apparatus for actuating a downhole tool

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Retractable joint and cementing shoe for use in completing a...

Boring or penetrating the earth – Boring a submerged formation
Reexamination Certificate

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Valve

Fluid handling – Destructible or deformable element controlled – Destructible element
Patent

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Profile ID: LFUS-PAI-P-1258229

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