Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard M. Church, Jr.0
Date of Patent
March 30, 2021
0Patent Application Number
167474390
Date Filed
January 20, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
An oilwell choke can include a choke body having an inlet and an outlet, a seat, a gate configured to optionally sealingly engage the seat, and an at least partially curved choke profile. A gate can include an at least partially curved gate profile and a seat can include an at least partially curved seat profile. A choke profile can have one or more radiuses of curvature. At least a portion of a choke profile can be elliptical. An oilwell choke can include a secondary closure, which can include an annular tongue configured to sealingly engage an annular groove.
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