US 11,933,128 B2
Pressure management sub-systems for subsea managed pressure operations
Oscar R. Gabaldon, Frisco, TX (US); and Patrick R. Brand, Anna, TX (US)
Assigned to BLADE ENERGY PARTNERS LTD., Frisco, TX (US)
Filed by BLADE ENERGY PARTNERS, LTD., Frisco, TX (US)
Filed on Dec. 30, 2022, as Appl. No. 18/148,485.
Application 18/148,485 is a continuation of application No. 17/347,248, filed on Jun. 14, 2021, granted, now 11,542,772.
Application 17/347,248 is a continuation of application No. 16/687,954, filed on Nov. 19, 2019, granted, now 11,035,192.
Claims priority of provisional application 62/776,884, filed on Dec. 7, 2018.
Prior Publication US 2023/0135617 A1, May 4, 2023
Int. Cl. E21B 33/035 (2006.01); E21B 17/01 (2006.01); E21B 33/064 (2006.01); E21B 34/04 (2006.01)
CPC E21B 33/0355 (2013.01) [E21B 17/01 (2013.01); E21B 33/064 (2013.01); E21B 34/04 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A pressure management sub-system (10) for subsea managed pressure operations, the pressure management sub-system (10) comprising:
a cabinet or open frame (40) having a top and a bottom and containing:
one or more pressure control devices (22), each having an inlet conduit and an outlet conduit;
one or more contingent pressure control devices (21); and
one or more mass flow meters (20);
wherein:
each of the one or more pressure control device (22) inlet conduits is fluidly connected with an inlet flow manifold (36), the inlet flow manifold (36) fluidly connected to a fluid inlet conduit (19A) and to the one or more contingent pressure control devices (21),
each of the one or more pressure control device (22) outlet conduits is fluidly connected with an outlet flow manifold (38), the outlet flow manifold (38) fluidly connected with a main return conduit (42A) and a choke line return conduit (44A) and to the one or more contingent pressure control devices (21), and
the one or more mass flow meters (20) are fluidly connected to the main return conduit (42A).