4. Wells
  5. Expansible anchor or casing
  6. Expansible casing

Lev Ring

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Adjustable expansion cone assembly

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus for actuating an annular piston

Wells – Expansible anchor or casing – Fluid pressure actuated
Reexamination Certificate

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Apparatus for coupling a tubular member to a preexisting...

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Apparatus for expanding a tubular member

Wells – Expansible anchor or casing
Reexamination Certificate

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Apparatus for expanding a tubular member

Wells – Expansible anchor or casing – Expansible casing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2289981

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