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首页> 外文会议>SPE Oil and Gas India Conference and Exhibition >A Practical Solution to Overcome Challenges in Unconventional Reservoir Simulation and History Matching Using Integrated Petrophysical and Facies Modeling Approach
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A Practical Solution to Overcome Challenges in Unconventional Reservoir Simulation and History Matching Using Integrated Petrophysical and Facies Modeling Approach

机译：克服非传统水库模拟和历史匹配的挑战的实用解决方案，使用集成岩石物理和相框建模方法

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摘要

In an unconventional reservoir, a thorough understanding of the spatial distribution of the physical properties of rocks, in terms of facies, porosity, and permeability, is essential for realistic dynamic reservoir simulation and history matching. This paper provides a practical solution for enhanced reservoir performance analysis, combining the results of geological interpretation, 3D geostatistical electrofacies modeling, and flow simulation in an unconventional Eagle Ford shale play. The first step of the integrated approach is the application of hierarchical clustering methods to identify electrofacies groups using log curves. Next, electrofacies are converted into lithofacies through an analysis of core data. The 3D lithofacies and petrophysical distribution model is then created using stochastic geostatistical techniques. In the reservoir simulation step, the discretized facies model is constrained to assign geomechanical properties. Thus, a realistic fracture model is generated with a proper definition of fracture characteristics to control flow simulation and to enable better history matching. The solution presented in this paper provides an objective means of using the integrated approach in an accurate definition of fracture properties, in terms of length and orientation, for reservoir simulation and production forecasting in unconventional reservoirs.
机译：在一个非常规储层中，在相对的形状，孔隙度和渗透率方面，对岩石物理性质的空间分布的彻底理解对于现实的动态储层模拟和历史匹配至关重要。本文提供了增强储层性能分析的实用解决方案，结合了地质解释，3D地质解释的结果，在非传统的鹰福特页岩演奏中的流动模拟。综合方法的第一步是应用分层聚类方法来使用日志曲线识别电离缩探组。接下来，通过对核心数据的分析，电离缩探通过分析转换为岩散。然后使用随机地统计技术创建3D锂外和岩石物理分布模型。在储库仿真步骤中，离散的相模型被限制为分配地质力学属性。因此，通过适当的裂缝特性定义来产生现实的骨折模型来控制流动模拟并实现更好的历史匹配。本文提出的解决方案提供了在规定的骨折性能的准确定义中使用综合方法，以便在长度和方向方面，用于储层模拟和非传统水库的生产预测。

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