Universal marine diverter converter

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

Reexamination Certificate

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Details

C166S367000, C166S084300, C175S057000

Reexamination Certificate

active

07997345

ABSTRACT:
A universal marine diverter converter (UMDC) housing is clamped or latched to a rotating control device. The UMDC housing assembled with the RCD is inserted into a marine diverter above the water surface to allow conversion between conventional open and non-pressurized mud-return system drilling, and a closed and pressurized mud-return system used in managed pressure or underbalanced drilling.

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