| 主权项 |
1. A valve for use in a flow management system comprising:
the valve for location in a hydrocarbon production string between a hydrocarbon reservoir pump and production tubing for surfacing produced hydrocarbons: a valve body with a spill port, the valve body having a valve body centerline extending between opposed ends of the valve; a shuttle enclosed by the valve body, the shuttle including a lid carrier and a lid; the lid carrier having a lid end and the lid rotatably coupled to the lid carrier near the lid end; the lid carrier located in a chamber of the valve body; the lid carrier having a through hole extending between a lid carrier spring end and the lid carrier lid end; upper and lower lid carrier mouths bounding the lid carrier through hole; a first seal between the upper lid carrier mouth and the lid; a second seal between the upper lid carrier mouth and the valve body; a spring for urging the shuttle to move toward the spill port; and, the valve operable to pass a flow entering the through hole at the lid carrier spring end and to spill a flow that closes the lid against the lid carrier. |
