铁岭煤层气输气管道工程过塌陷区的处理及通球扫线

The Treatment of the Coal Layer Gas Transmission Engineering passing through the Subsidance sinking Region in Tieling and its PIG Cleaning

本文提出了输气管道工程在塌陷沉降区的处理措施 ,同时对管线的通球扫线作了介绍 。

It is proposed in this paper the treatment measure for the gas transmission pipeline engineering in the subsidance sinking region.At the same time,it is introduced the PIG Cleaning the pipeline and discussed some problems for PIG cleaning pipeline.