Drilling rig placed on the sea bed and equipped for drilling...

Details Drilling rig placed on the sea bed and equipped for drilling... Drilling rig placed on the sea bed and equipped for drilling...

2007-04-12

2009-10-13

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Means removably connected to permanent well structure

C166S356000, C175S006000, C175S052000, C175S085000

Reexamination Certificate

active

07600570

ABSTRACT:
A drilling placed on the seabed and arranged for drilling of oil and gas wells is remote controlled from a light drilling vessel (2) through pipes and signal cables (3). The main structure of the drilling rig is made up of two cylindrical structures (1and10), in connection with which there is provided a number of cylindrical silos (8) for storing drill pipe magazines (23). A complete drilling module (17) can be lowered and retrieved through hatchways (11) at the top of the first cylindrical structure10The drilling rig is anchored to a foundation frame (7) by hydraulic legs (9). A cylindrical skirt (34) encloses the BOP (33) to prevent pollution of the environment.

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