由于输送天然气水露点较高，达到了生成天然气水合物的条件，致使天然气管道站场生产运行过程中发生了冰堵现象，严重影响管道的安全运行。通过分析天然气水合物的形成，给出了天然气管道运行过程中冰堵的预防措施及其实际应用技术条件。根据天然气水合物的生成机理，得出分输站场冰堵的解堵过程。通过典型案例分析，进一步说明天然气管道冰堵的发生过程和解堵措施的应用，为天然气管道运行中冰堵现象的预防和解除提供理论指导和技术支持。

Due to high water dew point of transported gas, natural gas hydrate may form easily, ice blockage often occurs at natural gas pipeline stations during gas production and gathering and transportation and results in serious effect on safe operation of gas pipeline system. Analyzed is the formation mechanism of natural gas hydrate in gas production and gathering and transportation system and proposed are measures for preventing and removing ice blockage. Through typical case analysis on ice blockage in gas pipeline system, introduced are the generation process of ice blockage and measures for removing blockage, which will provide theoretical guidance and technical support for preventing and removing ice blockage in gas pipeline system.