A New Production-Splitting Method for the Multi-Well-Monitor System

Jiaqi Zhang, Chang He, Jichen Yu, Bailu Teng, Wanjing Luo and Xinfei Liu
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Jiaqi Zhang: School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China
Chang He: Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Jichen Yu: Research Institute of Petroleum Exploration and Development, Beijing 100083, China
Bailu Teng: School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China
Wanjing Luo: School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China
Xinfei Liu: School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, China

Energies, 2020, vol. 13, issue 21, 1-18

Abstract: In order to reduce the cost of wellheads, the production rate of the gas wells in the Hechuan Gas Field are mostly measured in groups, which raises a stringent barrier for industries to determine the production rate of each single well. The technique for determining the production of a single well from the production of the well-group can be called the production splitting method (PSM). In this work, we proposed a novel PSM for the multi-well-monitor system (MWMS) on the basis of the Beggs and Brill (BB) correlation. This proposed method can account for the multi-phase flow together with the features of the pipelines. Specifically, we discretize the pipeline into small segments and recognize the flow pattern in each segment. The pressure drop along the pipeline is calculated with the Beggs and Brill correlation, and the production of each well is subsequently determined with a trial method. We also applied this proposed method to a field case, and the calculated results show that the results from this work undergo an excellent agreement with the field data.

Keywords: production splitting method; multi-well-monitor system; multi-phase flow; Beggs and Brill correlation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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