US 11,988,060 B2
Systems and methods in which polyacrylamide gel is used to resist corrosion of a wellhead component in a well cellar
Faisal Mohammed Alissa, Dammam (SA); Sameer Abdulaziz Aleissa, Al Hofuf (SA); and Khalid I. Alhamed, Dammam (SA)
Assigned to Saudi Arabian Oil Company, Dhahran (SA)
Filed by Saudi Arabian Oil Company, Dhahran (SA)
Filed on Mar. 31, 2022, as Appl. No. 17/710,021.
Prior Publication US 2023/0313628 A1, Oct. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 33/03 (2006.01); C08J 3/05 (2006.01)
CPC E21B 33/03 (2013.01) [C08J 3/05 (2013.01); C08J 2333/26 (2013.01)] 20 Claims
OG exemplary drawing
 
16. A method of reducing corrosion of an exterior surface of a wellhead component in a well cellar, the method comprising:
disposing a polyacrylamide gel within the well cellar so that the polyacrylamide gel covers the exterior surface of the wellhead component and extends to a bottom and sidewalls of the well cellar; and
covering the polyacrylamide gel with sand.