Chong 1 was drilled to a TD of 4,897m MD in late January 2020 and was suspended for further evaluation in early February 2020. The oil and gas exploration well was spudded on 16 August 2019 to drill to a PTD of 4,410m. Chong 1 was targeting for conventional oil and gas in the Lower Permian, Carboniferous and Devonian intervals as well as unconventional shale oil in the Lower Devonian and Permian intervals with the objective of exploring the hydrocarbon and source rock potential of the Banchong Structure, Shiwan Dashan Basin. Chong 1 is in the PetroChina operated Chongzuo Block in the Shiwan Dashan Basin and geographically located within Guangxi Province, Chongzuo City, Jiangzhou County, Jiangzhou Town, Banzhong Village. 
Chong 1 was drilled to a TD of 4,897m MD in late January 2020 and was suspended for further evaluation in early February 2020. 