Method of installing sub-sea templates

Details Method of installing sub-sea templates Method of installing sub-sea templates

1981-08-11

1984-03-06

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Floatable to site and supported by marine floor

175 7, 405227, E02B 1702

Patent

active

044351089

ABSTRACT:
A subsea template is installed by a method which includes the steps of securing the template in a position beneath the deck of a semi-submersible drilling vessel, moving the semi-submersible drilling vessel to an appropriate offshore site and subsequently lowering the template from the semi-submersible to the sea bed. In addition, at least three anchorage templates may be loaded onto one or both of the pontoons of the semi-submersible drilling vessel at its original position and are subsequently lowered from the pontoons to their respective locations on the sea bed after the semi-submersible has moved to the offshore site.

REFERENCES:
patent: 3987638 (1976-10-01), Burkhardt et al.
patent: 4062313 (1977-12-01), Stram
patent: 4194857 (1980-03-01), Chateau et al.
patent: 4273471 (1981-06-01), Burke
patent: 4351261 (1982-09-01), Shanks

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