试井解释在火山岩气藏数值模拟中的应用

徐深气田火山岩气藏储层内部存在岩性岩相变化快且非常复杂，裂缝相对发育等地质特征，在进行数值模拟
过程中需要将模型进行网格加密等细化研究。针对数值模拟历史拟合具有多解性，不同的网格加密、属性参数组合有
可能达到相同的拟合效果的问题，开展了在细化模型的同时最大限度减少不确定性的研究，研究中结合徐深气田火山
岩储层储渗结构特征，识别出了3 种类型的试井模型，提出利用试井模型对数值模拟模型进行修正的新方法。该方法
使得数值模拟模型更加精细化，开发指标预测的精度大大提高，对于徐深气田火山岩气藏进一步精细挖潜，单井合理
配产，以及方案优选具有十分重要的意义。

Application of Well Test Interpretation in Numerical Simulation of Volcanic Gas Reservoir

It is necessary to refine the model grid for the process of the numerical simulation of the volcanic gas reservoir because
of the complex reservoir lithologies，lithofacies and developed fractures. The history fitting of the numerical simulation，which
has ambiguity，different grid refinement，and different property parameter combinations，may accomplish the similar results.
The research was carried out to minimize the uncertainty while refining the model. How to reduce the uncertainty to the lowest
degree is a challenge in the numerical simulation of volcanic gas reservoir at Xushen Gas Field. The research results have
identified three well-testing models according to the characteristics of storage-seepage structures of Xushen Gas Field and
proposes a new method which revises the numerical model with well-testing models. The result indicates that it can improve
the accuracy of the numerical model and forecasting results. It is important to develop the remained reserves，set the appropriate
production rate and optimize the development plans.