Yunjin 2 flow tested approximately 20.8 MMcfg/d from the Permian Maokou Formation on 13 January 2020 after undergoing acidization. Yunjin 2 was spudded on 5 September 2019 and was drilled to a TD of 3,621m MD on 21 December 2019. The gas exploration well was targeting the Permian Maokou Formation with the objective of exploring the further gas potential within the syncline of the Shunan region in the southern Sichuan Basin, where several gas fields had been discovered in the anticline structures. Yunjin 2 is in the PetroChina operated Luxian-Changning Block in the Sichuan Basin and is geographically located within Sichuan Province, Luzhou City, Lu County, Baihe Town, Xinglongzui Village. 
Yunjin 2 flow tested approximately 20.8 MMcfg/d from the Permian Maokou Formation on 13 January 2020 after undergoing acidization. The gas exploration well was targeting the Permian Maokou Formation with the objective of exploring the further gas potential within the syncline of the Shunan region in the southern Sichuan Basin