| 濮阳华油防腐集团有限公司 河南省濮阳市 457001
关键词： 输油管线 改输 天然气 物理化学清洗 清管器 清洗剂 含油蜡垢
长输原油管线改输天然气之前，必须对其内壁集结的大量含油蜡垢和机械杂质进行彻底清洗，以保证管线的输气质量和天然气的准确计量，主要介绍了采用物理与化学清洗技术相结合的方法，对濮-临输油管线聊 城至临邑Φ377×7的121km管段进行不间断清洗一次成功的施工方案、实施过程及清洗效果 ，为国内长输原油管线清洗提供了有益的经验。
The Physical Chemical Cleaning the Pulin Oil Transmission Pipeline before Changing into Nature Gas Trausmission Pipeline
Zhou Tieshuan
Puyang Huayou Corrsion Protection Corp(Group)Ltd.,Puyang Henan 457001
Abstract：Before the long distance crude oil transmis son pipeline has been changed into the nature gas transmission pipeline,a lot of oily wax scale deposits and mechanical foreign substances aggregating on the in ternal wall of the pipe must be removed entirely in order to guaranteethe gas transmission quality of the pipline and the exact metering the nature gas, It is introduced in this paper mainly the successfulls construction plan using physical and chemical combination cleaning chnolgy continuousiy to clean the Φ377×７ 121km Yichen to Linyi pipeline section of the PuLing oil transmiss ion pipeline and the process aswell as cleaning effect.That provided valuable experence for the cleaning of long distance crude oil Transmission pipeline for our country.
Key Words：Oil Transmission Pipeline,Transmission Changing,Nature Gas,Physical Chemical Cleaning,Pig,Cleaning Agent,Oily WaX Scale
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