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US 2015/0197907 A1Published application
Method of forming a mudline cellar for offshore arctic drilling
AssigneeConocoPhillips Company
InventorsRavi P. AURORA, Mike B. WINFREE, Jean-Christian M. HAFFNER
Life of this patent
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Abstract
A method of forming a mudline cellar includes positioning a mudline cellar forming member on a seafloor surface. The mudline cellar forming member includes an outer surface and an inner surface that defines an inner cavity. The method further includes driving the mudline cellar forming member into the seafloor surface, and excavating the inner cavity of the mudline forming member to establish the mudline cellar.
Claims20
A method of forming a mudline cellar comprising:
- positioning a mudline cellar forming member on a seafloor surface, the mudline cellar forming member including an outer surface and an inner surface that defines an inner cavity;
- driving the mudline cellar forming member into the seafloor surface;
- and
- excavating the inner cavity of the mudline cellar forming member to establish the mudline cellar.
1 more element
A method of installing a mudline cellar in a seafloor comprising:
- lowering a mudline cellar forming member including an inner cavity to the seafloor;
- driving the mudline cellar forming member into the seafloor;
- and
- excavating the inner cavity of the mudline cellar forming member to establish the mudline cellar.
1 more element
Dependencies are inferred from the claim text.