Research on Economic Evaluation Methods of Offshore Oil Multi-Platform Interconnected Power System Considering Petroleum Production Characteristics

Yuming Liu, Qingguang Yu, Gaoxiang Long and Zhicheng Jiang
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Yuming Liu: State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100080, China
Qingguang Yu: State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100080, China
Gaoxiang Long: State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100080, China
Zhicheng Jiang: State Key Laboratory of Power System, Department of Electrical Engineering, Tsinghua University, Beijing 100080, China

Energies, 2020, vol. 13, issue 20, 1-16

Abstract: Offshore oil multi-platform interconnected power system is developing rapidly. The proposal of an effective economic evaluation method that fits the actual production situation of offshore oilfields is very meaningful for the planning and construction of multi-platform interconnected power systems. This article proposes the electric depreciation, depletion, and amortization (DD&A) barrel oil cost S and maximum expected benefit per unit power generation I e as economic indicators, considering the actual production characteristics and life cycle of the oil field. In order to build a complete economic evaluation system, this article also introduces the N−1 pass rate η N − 1 , voltage qualification rate γ, power supply reliability ASAI (Average Service Availability Index), and other reliability indicators to evaluate the offshore power system. When calculating the weight of the indicators, analytic hierarchy method (AHP) was applied to calculate subjective weights, and an entropy method was applied to calculate objective weights. To unify the two weights, the ideal point method is proposed to obtain compound weights. Finally, this article selects an offshore oil field in Bohai Bay, China as example, and analyses short-term small-scale, long-term large-scale, and actual power system as calculation examples in different planning periods. The analysis result verifies the effectiveness of the economic evaluation method.

Keywords: multi-platform interconnected power system; offshore oil field; electric DD& A barrel oil cost; compound weight (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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