Detecting Lithologies Using Rock physics Modeling in an Iranian Carbonate Reservoir
محل انتشار: شانزدهمین کنگره ملی مهندسی شیمی ایران
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 478
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شناسه ملی سند علمی:
NICEC16_604
تاریخ نمایه سازی: 7 خرداد 1398
چکیده مقاله:
Rock physics modeling is an efficient approach to predict elastic properties. Prediction of seismic velocities is more difficult in carbonates compared with clastics because of carbonates heterogeneities due to their complex pore structure. Pore shape appears to be the dominant factor in carbonate rock physics. Therefore, to adequately characterize carbonate reservoir rocks, it is critical to developing a rock physics model capable of handling different pore types. In this study, Xu and Payne’s model were used to predict P- and S-wave velocities, density, acoustic impedance, and Poisson’s ratio to discriminate lithologies in a carbonate reservoir. Besides, predicted elastic properties are compared with measured ones. Accordingly, to be sure that predicted parameters of the model are accurate, different lithologies as limestone, dolomite, and shale have been identified by such comparison and cross-plot analysis.
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نویسندگان
Mahdi Maslehat
Department of Petroleum Engineering, Amirkabir University, Tehran, Iran
Abdolrahim Javaherian
Formerly, Institute of Geophysics, University of Tehran, presently Department of Petroleum Engineering, Amirkabir University of Technology, Tehran, Iran
Mohammadreza Saberi
CGG, Bordewijklaan ۵۸, ۲۵۹۱ XR, The Hague, The Netherlands
Narges Ahangarian
Department of Petroleum Engineering, Amirkabir University, Tehran, Iran