4. Wells
  5. Processes
  6. Cementing, plugging or consolidating

Henry E. Rogers

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Anti-rotation apparatus for limiting rotation of cementing...

Wells – Pistons – fluid driven into well – With stop
Reexamination Certificate

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Anti-rotation method and apparatus for limiting rotation of...

Wells – Cementing device
Reexamination Certificate

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Apparatus and method for disconnecting a tail pipe and...

Wells – Cementing device
Reexamination Certificate

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Apparatus and method for disconnecting a tail pipe and...

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Apparatus and method for removing gelled drilling fluid and filt

Wells – Processes – Cleaning or unloading well
Patent

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Profile ID: LFUS-PAI-P-285984

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