US 12,352,136 B2
Downhole sand control screen system
Jeremy Alexander Davis, Humble, TX (US); Antonio Lazo, Houston, TX (US); Reza Sarrafi-Nour, Clifton Park, NY (US); and David Reuel Underdown, Conroe, TX (US)
Assigned to CHEVRON U.S.A. INC., San Ramon, CA (US)
Filed by Chevron U.S.A. Inc., San Ramon, CA (US)
Filed on Oct. 18, 2021, as Appl. No. 17/503,604.
Application 17/503,604 is a division of application No. 15/897,808, filed on Feb. 15, 2018, granted, now 11,174,711.
Claims priority of provisional application 62/627,524, filed on Feb. 7, 2018.
Claims priority of provisional application 62/460,130, filed on Feb. 17, 2017.
Prior Publication US 2022/0034202 A1, Feb. 3, 2022
Int. Cl. E21B 43/08 (2006.01); C23C 16/04 (2006.01); C23C 16/30 (2006.01); C23C 16/32 (2006.01); C23C 16/38 (2006.01); C23C 18/16 (2006.01)
CPC E21B 43/084 (2013.01) [C23C 16/30 (2013.01); C23C 16/32 (2013.01); C23C 16/38 (2013.01); C23C 18/1601 (2013.01); E21B 43/086 (2013.01); E21B 43/088 (2013.01); C23C 16/045 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A downhole system comprising:
a wellbore;
a sand screen placed within the wellbore, wherein the sand screen comprises a cylindrical woven mesh, the cylindrical woven mesh comprising an interior surface and an exterior surface, and wherein the cylindrical woven mesh is coated with a coating such that the coating on the interior surface and the exterior surface has a coating thickness of between 5 and 100 microns,
wherein the coating is uniform such that the coating thickness on the interior surface, the exterior surface, and a contour surface of the cylindrical woven mesh are all within 20 microns of each other,
wherein the coating comprises an infiltrated layer that is one or a combination of carbide, boride, nitride, carbo-nitride and silicide phases and the coating is formed by a chemical vapor infiltration process, and
wherein the coating is acid resistant and heat resistant to 800° F.