PC Carigali Mexico Operations S.A. de C.V. is a Mexican oil and gas exploration and production company owned by Malaysia's oil and gas multinational corporation Petroliam Nasional Berhad (Petronas). In 2016, PC Carigali won 35-year contracts for two deepwater exploration blocks in the Gulf of Mexico—the first as an operator for a 2,358km2 area in a consortium with Sierra Coronado E&P, S. de R.L. de C.V., and the other for a 2,573km2 area in which Murphy Sur, S. de R.L. de C.V. serves as the operator. In 2017, the company won a shallow water block, consisting of a 559km2 region which PC Carigali will operate for 30 years. In early 2018 the company won another two blocks, in Salina, and another four blocks in consortia —three in Cordilleras Mexicanas, and one in the Salina Basin. PC Carigali Mexico Operations is headquartered in Mexico City.