地—井瞬变电磁关键技术问题研究

杜庆丰, 冯晓兰, 黄跃

Research on key technical problems of surface-borehole TEM

Qing-Feng DU, Xiao-Lan FENG, Yue HUANG

图7 白石泉506钻孔z分量早、中、晚期感应电动势剖面

Fig.7 Z-component profiles of induced electromotive force in early, middle and late stages of Baishiquan 506 borehole