Downhole seals contact diverse fluids including drilling muds, completion brines, crude oil, natural gas, formation water, acid stimulation treatments, hydraulic fracturing fluids, and carbon dioxide for enhanced recovery. Drilling fluids contain clays, polymers, and weighting materials affecting seal compatibility. Sour gas containing H2S causes elastomer degradation and sulfide stre... https://globalsealstech.com/product-category/oil-gas-seals/downhole-completion-tools-seals/