Some progress in reservoir fracture stochastic modeling research
Dong Shaoqun1,2, Zeng Lianbo1,2, Xu Chaoshui3, Cao Han4, Wang Shengjiao1,2, Lü Wenya1,2
1. College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China; 2. State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum(Beijing), Beijing 102249, China; 3. School of Civil, Environmental, and Mining Engineering, University of Adelaide, Adelaide 5005 SA, Australia; 4. Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China
Abstract：Reservoir fracture modelings are important ways to research the reservoir fracture system distribution.These modelings can be divided into two kinds:deterministic modelings and stochastic modelings.In the most used stochastic modelings,five modelings can be found,namely space-subdivision fracture modeling,discrete-fracture network modeling,fracture modeling based on variogram,fracture modeling based on multiple-point geostatistics,and fracture modeling based on fractal iteration.This paper introduces the principle,characteristics and applicability of these five fracture modelings in detail.The first one is suitable for simple fracture systems.The second,third and fourth ones are suitable for most fracture systems.The fifth one is suitable for simple fracture systems with obvious fractal characteristics,such as hydraulic induced fracture.In addition,the advantages and shortcomings of these methods are systematically analyzed and the development trend of fracture stochastic modeling methods is summarized.
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