Tantawan crude is produced in the Gulf of Thailand and is loaded from a Floating Production Storage Offtake Vessel (FPSO), the "Tantawan Explorer". The cargo sizes range from 200 to 600 thousand barrels with a maximum ship size of 110,000 DWT. Typically; the cargoes are sold with pricing based off Dated Brent. The production rate is in the range of 5 to 7 thousand barrels per day.