Influence of Gas Storage and Peak Shaving on Pipe Diameter Selection of Long-distance Pipeline

doi:10.11885/j.issn.1674-5086.2018.10.16.01

Abstract

Abstract: In this study, gas storage and peak shaving were considered for pipe diameter selection of long-distance pipeline carrying natural gas, and the calculation methods of gas storage capacity and peak shaving demand at the end of the pipeline were summarized. With a certain long-distance natural gas pipeline project as an example, a method combining static and dynamic simulation was used because the natural gas consumption is non-uniform. First, hydraulic calculations were performed to obtain the corresponding pipe diameters, whose pipe capacities satisfy daily/monthly average and high monthly and high daily working conditions. Then, the demand of hourly/daily/monthly peak shaving was analyzed, and suitable pipe diameters were selected under the peak shaving working condition after comparing the storage and peak shaving capacity of the pipeline and the peak shaving demand. Accordingly, a detailed economic comparative analysis was performed on peak shaving in pipeline and in gas storage constructed, which indicated that appropriately increasing pipe diameter can not only satisfy the demand of hourly peak shaving and daily peak shaving, but also is more economical. The results show that, when selecting pipe diameter, pipeline peak shaving should be considered in order to obtain the optimal pipe diameter scheme via comprehensive comparison.

Key words: peak shaving, long-distance pipeline, pipe diameter, comparative selection, gas storage capacity

CLC Number:

TE832

XIE Ying, ZHANG Jun. Influence of Gas Storage and Peak Shaving on Pipe Diameter Selection of Long-distance Pipeline[J]. 西南石油大学学报(自然科学版), 2020, 42(1): 155-160.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2018.10.16.01

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2020/V42/I1/155

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