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US 6,273,634 B1Granted
Connector for an expandable tubing string
AssigneeShell Oil Company
InventorWilhelmus Christianus Maria Lohbeck
Life of this patent
Estimating the term…
Abstract
A connector for interconnecting a pair of adjacent sections of an expandable tubing string includes a plastically expandable sleeve that is arranged co-axially around or inside the ends of the interconnected tubing sections and a series of circumferentially spaced mechanical fasteners, such as screws or rivets, for fastening the sleeve to each of the ends.
Claims12
A connector for interconnecting adjacent sections of an oil or gas well expandable slotted tubing string, the connector comprising:
- a sleeve that is plastically expandable in use arranged co-axially relative to an end of each of the adjacent tubing sections;
- and
- fasteners having means to fasten the sleeve to the ends of the adjacent tubing sections;
- and
- wherein the sleeve is adapted to interconnect sections of an expandable oil or gas well tubing string and is provided with a series of staggered substantially longitudinal slots which are deformable into diamond-shaped apertures upon expansion of the sleeve.
2 more elements
A method to provide a tubular in an oil or gas well, the method comprising the steps of:
- providing a connector, the connector comprising:
- a sleeve that is plastically expandable in use arranged co-axially relative to an end of each of adjacent tubing sections;
- and fasteners having means to fasten the sleeve to the ends of the adjacent tubing sections;
- and wherein the sleeve is adapted to interconnect sections of an expandable oil or gas well tubing string;
- connecting sections of the tubular with the connector;
- placing the connected sections of the tubular in the oil or gas well;
- and
- expanding the connected sections of the tubular in the oil or gas well.
5 more elements
Dependencies are inferred from the claim text.