Unconventional Fracture Networks Simulation and Shale Gas Production Prediction by Integration of Petrophysics, Geomechanics and Fracture Characterization

Wensong Huang, Ping Wang (), Gang Hui (), Xiangwen Kong, Yuepeng Jia, Lei Huang, Yufei Bai, Zhiyang Pi, Ye Li, Fuyu Yao, Penghu Bao and Yujie Zhang
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Wensong Huang: Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing 100083, China
Ping Wang: Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing 100083, China
Gang Hui: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China
Xiangwen Kong: Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing 100083, China
Yuepeng Jia: Research Institute of Petroleum Exploration and Development, China National Petroleum Corporation, Beijing 100083, China
Lei Huang: China National Oil and Gas Exploration and Development Corporation, Beijing 100083, China
Yufei Bai: CNPC Greatwall Drilling Company Geology Research Institute, Panjin 124000, China
Zhiyang Pi: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China
Ye Li: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China
Fuyu Yao: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China
Penghu Bao: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China
Yujie Zhang: State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum Beijing, Beijing 102249, China

Energies, 2024, vol. 17, issue 20, 1-16

Abstract: The proficient application of multistage fracturing methods enhances the status of the Duvernay shale formation as a highly esteemed shale reservoir on a global scale. Nevertheless, the challenge is in accurately characterizing unconventional fracture behavior and predicting shale productivity due to the complex distributions of natural fractures, pre-existing faults, and reservoir heterogeneity. The present study puts forth a Geo-Engineering approach to comprehensively investigate the Duvernay shale reservoir in the vicinity of Crooked Lake. To begin with, on the basis of the experimental results and well-logging interpretations, a high-quality petrophysical and geomechanical model is constructed. Subsequently, the establishment of an unconventional fracture model (UFM) takes into account the heterogeneity of the reservoir and the interactions between hydraulic fractures and pre-existing natural fractures/faults and is further validated by 18,040 microseismic events. Finally, the analysis of well productivity is conducted by numerical simulations, revealing that the agreement between the simulated and observed production magnitudes exceeds 89%. This paper will guide the efficient development of increasingly important unconventional shale resources.

Keywords: geo-engineering approach; reservoir features; unconventional fracture modeling; production prediction; Duvernay shale reservoirs (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: 2024
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