Safety valve for horizontal tree
AssigneeFMC Corporation
InventorMichael G. Morgan
Life of this patent
Estimating the term…
Abstract
A safety valve for use in a horizontal christmas tree is disclosed which comprises a valve element rotatably mounted in a valve body for opening and closing a flow path through the valve body. A seal is provided between the valve body and valve element and defines a sealing surface at which all points are spaced equidistant from the valve body rotational axis. A hydraulic actuator is also provided for rotating the valve element.
Claims14
A safety valve assembly for use in a well christmas tree having a bore extending therethrough and a tree cap mounted adjacent the bore near the top of the christmas tree, the safety valve assembly comprising:
- a valve body mounted in the tree cap, the valve body having a flow path therethrough in communication with the bore;
- a cylindrical valve element having a longitudinal rotation axis and being rotatably mounted in said valve body;
- a main bore extending through said valve element in a direction generally transverse to said longitudinal axis;
- means for rotating said valve element into and out of a position in which said main bore aligns with said flowpath;
- sealing means for forming a pressure seal between said valve body and said valve element.
Dependencies are inferred from the claim text.