陕西铜川—延安地区油页岩及油气资源特征
李玉宏1, 姜亭1, 武富礼2, 姚志刚2, 罗克勇1

Characteristics of oil shale and oil gas resources in the Tongchuan-Yan’an area, Shaanxi Province
LI Yuhong1, JIANG Ting1, WU Fuli2, YAO Zhigang2, LUO Keyong1
何3井长4+5含油岩心(477.15~478.44 m)