Subsea caissons

Details Subsea caissons Subsea caissons

E - Fixed Constructions

21

B

166/51

E21B 17/01 (2006.01) E21B 7/18 (2006.01) E21B 33/037 (2006.01)

Patent

CA 1194410

ABSTRACT A subsea caisson or well head silo is disclosed together with a method for installing it. The caisson includes a conical suction head located near the bottom of the caisson wall, the suction head being provided with cutting heads fixed to its lower surface and being rotatable so as to cut into sea bottom material of hard consistency.

420988

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