Heshen 3 was drilled to a TD of 6,410m MD on 5 July 2020 and was suspended for testing in mid-July 2020, having encountered strong gas shows in the target formation. The gas exploration well was spudded in January 2020 to drill to a PTD of 6,536m with a 905m horizontal section. Heshen 3 was targeting the Permian Maokou Formation with the objective of exploring the hydrocarbon potential of the Paleo Uplift, central Sichuan Basin. Heshen 3 is in the PetroChina operated Anyue-Tongnan Block in the Sichuan Basin. 
China (Central Sichuan B.), Heshen 3 was drilled to a TD of 6,410m MD on 5 July 2020 and was suspended for testing in mid-July 2020, having encountered strong gas shows in the target formation.