Starting with processing subtle conditions in borehole geochemical exploration, this paper has analysed in a step-by-step way the interference factors in this work and put forward the corresponding technique for their suppression.

• 摘要从现场井中油气化探的细微处入手，循序渐进地分析该工作中存在的干扰因素，并提出相应的抑制方法。