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| Application of multi-information fusion modeling of fracture-vuggy reservoir in Ordovician reservoir of 12th block in Tahe Oilfield |
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XIE Pengfei1,2, HOU Jiagen1,2, WANG Yan3,4, ZHANG Huitao3,4, LÜ Xinrui5, LI Hongkai5, LIU Yuming1,2, SONG Suihong1,2
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(1.State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum(Beijing), Beijing 102249, China;2.College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China;3.Key Laboratory for EOR of Fractured－Vuggy Carbonate Reservoir, SINOPEC, Urumqi 830011, China;4.Exploration and Development Research Institute, Northwest Oilfield Branch, SINOPEC, Urumqi 830011, China;5.Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China)
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| Abstract: |
| The diverse types of reservoirs and strong heterogeneity require a combination of multiple modeling methods and probability aggregation to characterize the different scales of fractures and reservoir types. In this study, the deterministic modeling is used to characterize the model of underground river based on well and seismic data.The fault-controlled karst reservoir is established by combining the multi-point geostatistics method with the object-based method, where the fault and seismic attributes control the quality of the model. By using sequential indicator method, the dissolved cave model is established based on erosion surface and seismic attribute. The large-scale fractures and medium-scale fractures are acquired by seismic interpretation. The small-scale fracture model is established by the object-based method. The fused model characterizes the distribution of the reservoir by incorporating multiple information constraints. The reservoir numerical simulation results show high fitting accuracy with production data, which is helpful for adjusting the development plan. |
| Key words: carbonate fracture-vuggy reservoir geological modeling probability fusion fracture |
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