This paper expounds the mathematical theory of Monte Carlo method, and the random variable sample method of parameters in the calculation process of gas reserves in conjunction with examples.
论述了蒙特卡洛方法的数学原理，并结合实例阐述了在天然气储量计算过程中各计算参数实际分布产生随机变量抽样方法。
Furthermore, some data from oilfields are presented for comparison to illustrate the physical and mathematical model formed by these factors for the assessment of natural gas reserves.
同时，就这些因素形成的天然气储量评价的物理模型和数学模型，给出油田实际的数据以利于比照。
A mathematical expression for such development indexes as recovery rates and rocovery percent of reserves is established on the basis of the FWG1 exponential decline development model.
本文提出了FWG1 幂指数递减开发模型，提出了开发速度，采出程度等开发指标的数学关系式。
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