All these works have practicality signification for solving the distribution of oil field residual oil and analyzing the pervasion capability of uranic sandstone by using direct current exploration.

• 以上工作对利用直流电法勘探方法，来解决油田剩余油的分布及对地浸砂岩型铂矿矿层渗透性能的分析，有着实际的意义。