Comparative Selection of Optimal Timing and Strategy for Secondary Supercharging in Daniudi Gas Field

doi:10.11885/j.issn.1674-5086.2018.07.02.01

Abstract

Abstract: The process of primary centralized supercharging is unable to fulfill the requirements of the Daniudi gas field due to its continuous development. In addition, the gas well pressure attains only approximately 40% of the pipe network pressure after the first centralized supercharging. Therefore, it is vital to perform a secondary supercharging process. Following the analysis of the changing pattern of oil pressure in gas wells, this study has determined the timing for the secondary supercharging and proposed the following four secondary supercharging modes according to the characteristics of the gas field:(1) single-well supercharging plan; (2) decentralized supercharging plan in gas gathering stations; (3) regional centralized supercharging plan; and (4) regional concentrated supercharging and single gas gathering station supercharging plan. Furthermore, this study has compared the four plans from the technological and economic point of view. The results show that the regional concentrated supercharging together with the single gas gathering station supercharging mode appears to be the most sensible strategy to fulfill the requirements of the external transmission of pipe network and achieve the economic benefits as well.

Key words: Daniudi Gas Field, exhausted gas pressure, upercharging timing, pipeline network simulation, supercharging plan

CLC Number:

TE832

WAN Wei, LIAN Zhanghua, PENG Xingyu, LIU Lisheng, LIU Chang. Comparative Selection of Optimal Timing and Strategy for Secondary Supercharging in Daniudi Gas Field[J]. 西南石油大学学报(自然科学版), 2019, 41(3): 129-136.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2018.07.02.01

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2019/V41/I3/129

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