广域电磁法在辽西地区牛营子凹陷油气资源潜力评价中的应用

孙求实, 袁杰, 宗文明, 孙守亮, 郜晓勇, 朱恒, 张涛, 鞠楠

The application of wide field electromagnetic method to the oil and gas exploration of Niuyingzi sag in Liaoxi area

Qiu-Shi SUN, Jie YUAN, Wen-Ming ZONG, Shou-Liang SUN, Xiao-Yong GAO, Heng ZHU, Tao ZHANG, Nan JU

图3 牛营子凹陷L1测线广域电磁法视电阻率反演解释剖面 1—逆冲推覆构造;2—地层界线;3—花岗岩体;4—长城系;5—蓟县系;6—蓟县系高于庄组;7—蓟县系杨庄组;8—蓟县系雾迷山组;9—寒武系;10—奥陶系;11—侏罗系北票组;12—侏罗系海房沟组

Fig.3 The apparent resistivity inversion profile of wide fieldelectromagnetic sounding of L1 line in Niuyingzi depression 1—thrust fault;2—stratigraphic boundary;3—granitic pluton;4—Changchengian;5—Jixianian;6—Jixianian Gaoyuzhuang formation;7—Jixianian Yangzhuang formation;8—Jixianian Wumishan formation;9—Cambrian;10—Ordovician;11—Jurassic Beipiao formation;12—Jurassic Haifanggou formation