Spar-buoy boring derrick and mooring facility

Details Spar-buoy boring derrick and mooring facility Spar-buoy boring derrick and mooring facility

1990-02-26

1991-09-03

Kisliuk, Bruce M.

Boring or penetrating the earth

Boring a submerged formation

Boring from floating support with submerged independent...

166358, 405202, 175 8, E21B 7128, E21B 7132

Patent

active

050444506

ABSTRACT:
A spar-buoy type boring device including a main pipe and a central pipe installed in the main pipe. The main pipe, which has a service deck at the top and a float near the top so that the float stays underneath the water, is anchored at the bottom to a sinker which is placed on the seabed, and the central pipe with the bottom end opening in the sea is used for guiding boring equipments to the seabed and collecting samples from the seabed.

REFERENCES:
patent: 3395755 (1968-08-01), Manning
patent: 3522709 (1970-08-01), Vilain
patent: 4155670 (1979-05-01), Stafford
patent: 4284367 (1981-08-01), Tuson
patent: 4566824 (1986-01-01), Minier et al.
patent: 4685833 (1987-08-01), Iwamoto
patent: 4702321 (1987-10-01), Horton

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