Guide base cover

Details Guide base cover Guide base cover

1991-04-30

1992-07-14

Novosad, Stephen J.

Wells

Submerged well

Wellhead

E21B 4104, E21B 33037

Patent

active

051294605

ABSTRACT:
A protective cover for protecting a wellhead mandrel and related equipment of a subsea wellhead when the drilling and producing equipment is removed. The protective cover is installed and removed using a pipe or cable running string with provisions for using either a hydraulic jet, a Remotely Operated Vehicle (ROV) or surface rig movements to position the cover.

REFERENCES:
patent: 4220421 (1980-09-01), Thorne
patent: 4273472 (1981-06-01), Piazza et al.
patent: 4387771 (1983-06-01), Jones
patent: 4427072 (1984-01-01), Lawson
patent: 5012854 (1991-05-01), Bond

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