US 11,754,187 B2
Deployable pressure energized sealing backup systems for improved long term reliability
Chad William Glaesman, McKinney, TX (US); Kent Wayne Ferrell, Blooming Grove, TX (US); and Mohan Gunasekaran, Rio de Janeiro (BR)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Oct. 14, 2020, as Appl. No. 17/70,156.
Claims priority of provisional application 62/940,478, filed on Nov. 26, 2019.
Prior Publication US 2021/0156479 A1, May 27, 2021
Int. Cl. F16J 15/34 (2006.01); F16J 15/38 (2006.01)
CPC F16J 15/3464 (2013.01) [F16J 15/38 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A sealing system, comprising:
an inside member, an outside member, and two side members forming a seal gland;
a primary seal located within the seal gland; and
a seal ring located within the seal gland proximate the primary seal, the seal ring including;
a sealing ring member having an inside diameter face, an outside diameter face, a primary seal side face, and a gland side face, the primary seal side face pointing toward the primary seal; and
a secondary seal coupled to at least one of the inside diameter face, the outside diameter face, the primary seal side face or the gland side face, the sealing ring member configured to rotate to move the secondary seal between one state that is disengaged from a sealing surface and another state that is engaged with the sealing surface.