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气测录井过程中,气相色谱系统的污染是常见而且非常严重的问题,往往会造成漏失油气显示,给生产施工带来重大损失。常见的污染是因为吸入污染物造成的,污染物分为气体、液体和固体,根据气相色谱系统被污染的吸入程度,总结出防止污染的方法,具体措施包括:及时更换干燥剂,以及在压缩空气管路安装过滤装置避免气体吸入污染;注意脱气器的正确安装和防堵器的使用,预防进水;使用防堵器、砂芯滤球和以脱脂棉替代CaCl_2粉末防止吸入固体粉末。
During the gas logging process, the pollution of the gas chromatograph system is a common and very serious problem, which often leads to the loss of oil and gas and significant losses to the production and construction. Common pollution is caused by inhalation of pollutants. The pollutants are divided into gas, liquid and solid. According to the degree of inhalation of contaminated gas chromatography system, the methods to prevent pollution are summarized. Specific measures include: timely replacement of desiccant, Air pipe installation filter device to avoid gas inhalation pollution; pay attention to the correct installation of deaerator and anti-blocking device to prevent water; use anti-blocking device, the sand filter and the filter to replace cotton wool CaCl 2 powder to prevent inhalation of solid powder.