The sand-controlling and reservoir-controlling characteristics and exploration potential of the steep slope zone in the Huanghua Depression, Bohai Bay Basin, eastern China - Liu, Haitao; Chen, Yan; Wang, Jufeng; Sun, Deqiang; Tang, Zijun; Zhang, Chunming; Wu, Fengcheng; Jiang, Zhenglong (Frontiers in Earth Science, 2025)