Back to results
US 8,297,349 B2Granted
Openable port and method
AssigneeBaker Hughes Incorporated
InventorRichard Y. Xu
Life of this patent
Estimating the term…
Abstract
An openable port includes a body, a sleeve movable relative to the body, and a plug disposed at the sleeve that is extrudable through the sleeve. And the sleeve is substantially occluded to flow therethrough by the plug prior to extrusion of the plug and is open to flow therethrough after extrusion of the plug.
Claims20
An openable port comprising:
- a body;
- a sleeve movable relative to the body;
- a seat being a single piece disposed at the sleeve defining a port;
- and
- a plug being seatingly disposed at the seat and movable through the seat upon deformation of the seat, the seat being substantially occluded to flow through the port by the plug prior to extrusion of the plug and being open to flow through the port after extrusion of the plug, the seat being configured to maintain the plug in seating engagement and sealed therewith at a first pressure sufficient to move the sleeve relative to the body and to allow the plug to move therethrough at a second pressure, the second pressure being greater than the first pressure and in a same direction as the first pressure.
2 more elements
A method of opening a port, comprising:
- pressuring up to a first pressure against a plug sealed against a seat being a single piece that defines a port disposed at a sleeve disposed at a body;
- moving the sleeve relative to the body;
- pressuring up to a second pressure against the plug sealed against the seat disposed at the sleeve disposed at the body in the same direction as the first pressure;
- deforming the seat;
- moving the plug through the seat;
- and
- opening the port.
4 more elements
Dependencies are inferred from the claim text.