Work enclosure for servicing marine structures
AssigneeMobil Oil Corporation
InventorSteven H. Tate
Life of this patent
Estimating the term…
Abstract
A work enclosure for servicing a marine structure which is adapted to be positioned around a support member of the marine structure to enclose the member and at least one riser which extends parallel thereto. The enclosure is watertight and open at the top to the atmosphere whereby the water is pumped from the enclosure when the enclosure is in an operable position on the member to provide a dry, shirt-sleeve environment in which to carry out the service operations.
Claims13
A work enclosure adapted to be positioned about marine support member, said enclosure comprising:
- at least two sections, each section being open at the top and having a bottom which has an opening therethrough;
- means for securing said sections together in a watertight, closed position around said support member whereby said openings in said bottoms of said sections cooperate to form a central opening through said bottom which surrounds said support member;
- and
- clamp means for securing said enclosure to said support member when said sections are in a closed position and
- wherein said bottom of at least one of said sections includes a riser opening therethrough adapted to receive at least one riser when said enclosure is in said closed position.
A watertight, work enclosure adapted to be positioned about a support member which extends upward from a body of water, said enclosure comprising:
- two substantially symmetrical sections, each section being open at the top thereof and each having a bottom which has an opening therethrough;
- hinge means for rotatably connecting said sections whereby said sections can be moved between an open position and a closed position;
- means for releasably securing said sections in said closed position whereby said openings in said bottoms cooperate to form a central opening which surrounds said support member;
- and
- clamp means affixed to said sections for securing said enclosure to said support means when said sections are secured in said closed position;
- and
- wherein said bottom of at least one of said two sections has a riser opening therethrough adapted to receive at least one riser when said enclosure is in said closed position.
Dependencies are inferred from the claim text.