4. Wells
  5. Cementing device

Robert S. O'Brien

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Method for reducing diameter reduction near ends of expanded...

Wells – Processes – Assembling well part
Reexamination Certificate

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Multi-position valve for fracturing and sand control and...

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Reexamination Certificate

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One trip cemented expandable monobore liner system and method

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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One trip cemented expandable monobore liner system and method

Wells – Expansible anchor or casing – Expansible casing
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One trip cemented expandable monobore liner system and method

Wells – Cementing device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2256117

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