Patent ID: 6951331

Claim:
A sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well in the hydrocarbon reservoir, the sleeve valve comprising a first sleeve and a second sleeve which by an actuator or a tool are relatively movable between positions in which at least one opening in the first sleeve is aligned or is misaligned with at least one opening in the second sleeve, in order to admit or shut off the fluid flow, the first sleeve in a recess or the opening being provided with a radially movable sealing element that has a sealing surface adapted to rest against the second sleeve around the opening in the second sleeve; and at least one tension element arranged between corresponding bearing portions on the sealing element and the first sleeve respectively and pressing the sealing element with its sealing surface against the second sleeve the first sleeve and second sleeve being relatively movable in that the first sleeve or the second sleeve is slidable in a longitudinal direction of the tubing.