US 12,410,675 B2
Seal assembly, and system
Zhihui Zhang, Katy, TX (US); Guijun Deng, The Woodlands, TX (US); Emerson Nunez, Cypress, TX (US); and Jason Harper, Cypress, TX (US)
Assigned to Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on May 31, 2023, as Appl. No. 18/326,159.
Prior Publication US 2024/0401429 A1, Dec. 5, 2024
Int. Cl. E21B 33/12 (2006.01); F16J 15/02 (2006.01)
CPC E21B 33/1208 (2013.01) [F16J 15/022 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A borehole seal assembly configured for deployment in a subsurface formation having a temperature range higher than ambient surface temperature, comprising:
a seal including a first lattice impregnated with a conformable resilient material;
a backup including a second lattice impregnated with a conformable resilient material, the second lattice having a greater rigidity than the first lattice, further including a particulate additive dispersed in the conformable resilient material in the second lattice, the particulate additive being of roundy geometry and being configured to not plastically deform under loads associated with setting of the seal assembly in the borehole, the particulate material storing energy when deformed, and wherein
a volume percentage of the second lattice and/or additive to the total volume of the backup is about 50% to about 85%.