Conocophillips Company

Ravi P Aurora

Randall Scott Shafer

Dominique P Berta

Peter George Noble

Thomas E Ramsey

Ted H Westerman

Mike B Winfree

Jean-Christian M Haffner

Anthony W Ray

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.

Method of forming a mudline cellar for offshore arctic drilling

A system for the detection, containment and removal of hydrocarbon leaks in a subsea environment.

System for detecting, containing and removing hydrocarbon leaks in a subsea environment

The invention relates to an ice worthy jack-up rig with a conical piled monopod working together to drill wells and produce hydrocarbons in ice prone locations. The inventive rig would work like a conventional jack-up rig while in open water with the hull jacked up out of the water. However, in the event of ice conditions, the legs are held in place by cans embedded in the sea floor to resist lateral movement of the rig. Both the hull and conical piled monopod are shaped with ice-bending surfaces to bend and break up ice that comes into contact.

Ice worthy jack-up drilling unit with conical piled monopod

A conical piled monopod provides a fixed, ice worthy structure used in cold weather offshore environments for accessing hydrocarbon deposits under the seafloor.

Conical piled monopod

The invention relates to an ice worthy jack-up rig with a conical piled monopod working together to drill wells and produce hydrocarbons in ice prone locations. The inventive rig would work like a conventional jack-up rig while in open water with the hull jacked up out of the water. However, in the event of ice conditions, the legs are held in place by cans embedded in the sea floor to resist lateral movement of the rig and in sockets attached to the conical piled monopod. Both the hull and conical piled monopod are shaped with ice-bending surfaces to bend and break up ice that comes into contact.

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Sugar Land, TX, United States of America

Ravi P Aurora