US 12,435,595 B2
BOP piston booster and bonnet assembly
Prashant N Akhare, Cypress, TX (US)
Filed by WORLDWIDE OILFIELD MACHINE, INC., Houston, TX (US)
Filed on Nov. 2, 2023, as Appl. No. 18/500,454.
Claims priority of provisional application 63/442,832, filed on Feb. 2, 2023.
Prior Publication US 2024/0263534 A1, Aug. 8, 2024
Int. Cl. E21B 33/06 (2006.01); E21B 29/08 (2006.01)
CPC E21B 33/062 (2013.01) [E21B 29/08 (2013.01); Y10T 137/5983 (2015.04)] 12 Claims
OG exemplary drawing
 
1. A booster piston and bonnet assembly, a ram and an operating piston to move said ram between an open position and a closed position, an operating piston housing containing said operating piston, said booster piston and bonnet assembly comprising:
a booster piston housing defining therein a booster piston chamber;
a booster base adaptor;
a booster piston mounted for reciprocal movement inside said booster piston chamber, said booster piston being connected to assist said operating piston to move said ram between said open position and said closed position, said booster piston comprising a diameter greater than a diameter of said operating piston; and
a bonnet comprising two bonnet end caps, each of said two bonnet end caps comprising a bonnet piston chamber defined therein, said operating piston being mounted between said two bonnet end caps, a bonnet piston mounted within each bonnet piston chamber, each said bonnet piston being responsive to hydraulic fluid applied to each said bonnet piston chamber to open said bonnet for access to said ram, each said bonnet piston comprising a sufficient length to open said bonnet for said access to said ram, each said bonnet piston being comprised of solid metallic material.