中亚管道清管、试压技术的研究与创新

油气输送管道清管、试压是管道建设安装工作程序的重要一环。结合中亚天然气管道施工实例，介绍了管道清管、测径的技术要求和主要设备，清管、测径过程以及中亚管道测径所用的新技术等。重点介绍了中亚天然气管道试压时的管段划分、试压施工及现场操作，如上水及现场操作、强度试验、严密性试验、排水等，并给出了管道清管、测径的操作建议和试压施工时应注意事项。

Research and Innovation of Cleaning Pipe and Pressure Test Technologies in Central Asia Pipeline

Cleaning pipe and pressure test of oil and gas transportation pipeline are very important processes in pipeline construction and installation.Combined with Central Asia Gas Pipeline construction example,this article introduced technical requirements,main equipments and working procedures of cleaning pipe and measuring diameter,as well as new technology used in measuring diameter.It emphasized pipe section division,construction in pressure test,as well as field operation,such as feeding water operation,strength test,tightness test,drainage and etc.Finally,it gave operation suggestion in cleaning pipe and pressure test,in addition points for attention in pressure test construction.