4. Wells
  5. Expansible anchor or casing

Marcus A. Smedley

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Adjustable mandrel well casing hanger

Wells – Expansible anchor or casing
Patent

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Collapsible buoyancy device for risers on offshore structures

Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Reexamination Certificate

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Concentric tubing completion system

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Nested stack-down casing hanger system for subsea wellheads

Wells – Submerged well – Wellhead
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1986429

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