广域电磁法在低阻覆盖区的应用与评价——以河南中牟为例

田红军, 尹文斌, 刘光迪, 蒋永芳, 游文兵

The application and evaluation of the wide field electromagnetic method in the low resistance coverage area-Exemplified by Zhongmu area of Henan Province

TIAN Hong-Jun, YIN Wen-Bin, LIU Guang-Di, JIANG Yong-Fang, YOU Wen-Bing

表1 牟1井电测井资料

Table 1 Stratigraphic table of the electrical characteristics of Mou 1 well

层号 顶深/m 底深/m 层厚/m 有效厚度/m RLLD/(Ω·m) RLLS/(Ω·m) MFSL/(Ω·m) 第四系 0 197.8 197.8 197.8 明化镇组 197.8 873 675.2 675.2 馆陶组 873 1482.8 609.8 609.8 5.556 3.797 2.812 和尚沟组(刘家沟) 1482.8 1893.3 410.5 410.5 91.44 84.863 62.046 孙家沟组 1893.3 2071.1 177.8 177.8 52.055 49.394 34.502 平顶山组 2071.1 2174.1 103 103 214.114 202.666 50.647 上石盒子组 2174.1 2495.2 321.1 321.1 24.398 23.361 10.704 下石盒子组 2495.2 2798.4 303.2 303.2 17.75 16.74 8.407 山西组 2798.4 2889.8 91.4 91.4 49.443 45.289 21.062 太原组 2889.8 2971.8 82 82 646.303 301.79 21.097 本溪组 2971.8 2987.8 16 16 2381.969 2137.384 193.5 马家沟组 2987.8 3020.8 33 33 183.625 170.723