Problems and Mitigation Experiences with Black Powder inside of the Long-distance Natural Gas Pipelines

摘要

The objective of this research was to investigate the actual status of its problems, regional distribution and mitigation measures studies of black powder inside of Chinese long-distance natural gas pipelines. The information documented in this paper was analyzing basic information, operating parameters, gas quality data, powder composition testing and pigging information of gas pipelines with the black powder. In addition the paper involved the standards of gas pipeline transportation and the related criterions in China.