Application of On-line Stoppling Technology in the Improvement of Pressure Lead-in Pipe in West-to-East Gas Transmission Pipeline 在线封堵技术在西气东输引压管改造的应用
Application of Intermediate Casing Well Cementing Technology for Open Hole Interval in Low Pressure and Lost Circulation Formation Application of In-line Stoppling Technology in Gas Transmission Pipeline 低压易漏裸眼井段技术套管固井技术输气管道不停输带压封堵技术的应用