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浅议油气化探的干扰因素
邓国荣
摘 要:借鉴物探有关干扰的表述,建立了油气化探干扰的概念.根据油气化探所依据的烃类垂向微运移理论和工作原理,详细阐明了油气化探干扰的内涵.将干扰源分为同生作用、生物化学生气作用、介质性质差异、人文污染等4种基本类型.前三者是主要的干扰因素,人文可能的污染局限于个别样点.通过探例和模拟实验,对干扰程度进行了分析.针对油气化探不同工作环节,提出了抑制干扰的相应措施,包括选择适当的方法组合、对介质差异性进行标准化处理、采取精细的异常分离技术、异常判识.根据异常和背景的关系,指出干扰的普遍性是针对背景而言,出现在任何测区;而实际构成干扰是针对异常而言,其存在是有限的测区,并且可以通过适当办法使干扰得到相当程度的抑制.
关键词:干扰因素;干扰源;干扰抑制;油气化探
分类号:TE122.3 文献标识码:A
文章编号:0253-9985(2006)05-0675-07
Interfering factors in oil and gas geochemical exploration
Deng Guorong
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基金项目:中国石油化工股份有限公司科技项目(P00012)
作者简介:邓国荣(1964-),男,高级工程师,油气化探与石油地质
作者单位:邓国荣(中国石油化工股份有限公司,石油勘探开发研究院,合肥石油化探研究所,安徽,合肥,230022)
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