Zhao W. Analysis of Hydrocarbon accumulation period of Yanchang Formation and Yan ’an Formation in Zhenjing-Shuangcheng area, Ordos Basin. JID [Internet]. 2024 Dec. 30 [cited 2026 Apr. 29];9(3):38-43. Available from: https://drpress.org/ojs/index.php/jid/article/view/28896