US 12,264,548 B2
Well control sealing system
Steven Angstmann, Houston, TX (US); Bobby Gallagher, Houston, TX (US); Billy Gallagher, Houston, TX (US); and Sean Laird, Houston, TX (US)
Assigned to Kinetic Pressure Control Ltd., Houston, TX (US)
Appl. No. 17/789,207
Filed by Kinetic Pressure Control Ltd., Houston, TX (US)
PCT Filed Jan. 6, 2021, PCT No. PCT/US2021/012325
§ 371(c)(1), (2) Date Jun. 26, 2022,
PCT Pub. No. WO2021/141999, PCT Pub. Date Jul. 15, 2021.
Claims priority of provisional application 62/957,891, filed on Jan. 7, 2020.
Prior Publication US 2023/0203908 A1, Jun. 29, 2023
Int. Cl. E21B 33/06 (2006.01)
CPC E21B 33/063 (2013.01) 19 Claims
OG exemplary drawing
 
1. A blowout preventer (BOP), comprising:
a main body having a through bore, the main body defining a passage transverse to the through bore;
a seal disposed in the main body and arranged to restrict fluid flow from the through bore to the passage, the seal comprising,
a seal body formed as a closed loop having an upper surface and a lower surface,
wherein the seal body comprises an inner wall and an outer wall,
wherein the lower surface comprises at least one wing extending laterally from the outer surface to provide a lateral sealing surface, and
wherein the upper surface comprises at least one raised portion to provide a sealing surface;
the seal mounted within a channel on an insert disposed in the main body with the raised portion facing the passage,
wherein the raised portion is configured to engage a surface of an object in the passage;
wherein the channel is in fluid communication with a source of fluid pressure in a space of the channel below the seal.