Research and application of economic evaluation methods for unconventional oil and gas development

doi:10.3969/j.issn.1672-7703.2025.01.014

Abstract

Abstract: At present, China’s petroleum companies are fully promoting the exploration and application of unconventional oil and gas development. The particularity of unconventional oil and gas development makes its economic evaluation different from that of conventional oil and gas economic evaluation.Therefore, based on the analysis of the characteristics of unconventional oil and gas development, the individual demand for economic evaluation of unconventional oil and gas development is sorted out, and the tasks and principles of economic evaluation of unconventional oil and gas development are put forward.First, the economic evaluation of unconventional oil and gas development should adhere to the whole life cycle optimization concept and highlight the integrated management and evaluation.Second,it is necessary to establish an integrated optimization linkage model and promote program optimization through the backforcing mechanism.Then,three kinds of economic evaluation methods of unconventional oil and gas development are put forward, which are quick economic evaluation model and chart, whole life cycle linkage and benchmarking analysis, and risk analysis.In the optimization of unconventional project scheme and integrated optimization design of geological engineering,it is suggested to build a rapid evaluation model and map evaluation method.It is recommended to adopt the methods of linkage and benchmarking analysis in the preparation of the whole life cycle development scheme of unconventional projects.For non-conventional projects with high risk and uncertainty (such as projects in the exploration phase),a risk analysis method is required.In addition,for these three kinds of economic evaluation methods, the improvement and upgrading direction are proposed respectively.

Key words: unconventional;oil and gas development, economic evaluation, economic integration of geological engineering, cooperative optimization, risk analysis

CLC Number:

TE92

Hu Qing, Zhang Baojuan, Chen Cheng, Zhang man, Wang Xiang, Qu Debin, Ding Yan, Wang Jianfeng, Qin Jinchao, Jiang Guanfeng. Research and application of economic evaluation methods for unconventional oil and gas development[J]. China Petroleum Exploration, 2025, 30(1): 178-190.

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