对于产水气田 ,地面集输系统结垢时有发生 ,结垢会造成设备及管线堵塞和腐蚀 ,对排水采气工艺的实施影响极大。文中介绍了西南油气田分公司蜀南气矿白 19井排水管线的结垢及化学清洗情况 ,并结合现场施工对排水管线的化学清洗提出了几点认识与建议。 For the production of gas fields, ground gathering and transportation system scaling occurs from time to time, scaling will cause equipment and pipeline plugging and corrosion, the drainage of gas production process greatly affected. In this paper, the scaling and chemical cleaning of the drainage pipelines of Bai 19 well in Southwest Oil and Gas Field Branch in Southwest Oil and Gas Field Branch are introduced. Some suggestions and suggestions are put forward in connection with the chemical cleaning of drainage pipelines in the field.