Whilst It has limits at high temperatures and salinity, gypsum continues to be a worthwhile choice for specific drilling apps. Gypsum happens in considerable beds associated with other evaporite minerals (e.g., anhydrite and halite), specifically in Permian and Triassic sedimentary formations; it's deposited from ocean brine, followed by anhydrite and https://www.propanraya.com/id/produk/eco-gypsum-ee-4050