Patent ID: 8714272

Claim:
A downhole sliding sleeve disposed on a tubing string with at least one other sliding sleeve in a wellbore and actuated by application of fluid pressure against a plug deployed in the sliding sleeve, the sliding sleeve comprising: a housing defining a bore and defining at least one port communicating the bore outside the housing; an insert disposed in the bore and being movable from a closed condition to an opened condition relative to the at least one port; a seat disposed on the insert, the seat engaging the plug when the insert has the closed condition, the seat moving the insert from the closed condition to the opened condition with the application of the fluid pressure against the engaged plug, the seat releasing the plug when the insert has the opened condition; and at least one inset member disposed in the at least one port, the at least one inset member at least temporarily maintaining the fluid pressure in the tubing string after the insert has moved to the opened condition at least until the at least one other sliding sleeve on the tubing string is opened with the maintained fluid pressure.