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煤层气作为一种新兴的洁净能源,对其的开发利用首先要关心的是投资项目的经济状况。因此,对我国煤层气目标区开发前进行经济评价,是十分必要和迫切的。重点介绍了利用净现值法对煤层气目标区进行经济评价的模型以及对相关参数的估算方法。通过此模型与方法可以在煤层气项目开发前对该目标区的经济效益有一个整体的估计从而确定该目标区是否具有经济上的可开发性;对于多个可以选择的目标区,利用基于净现值法的经济评价方法可以对煤层气目标区的开发顺序给出建议,从而避免投资的浪费,有利于我国煤层气产业的整体健康发展。
As an emerging clean energy, the first thing to be concerned about the development and utilization of CBM is the economic status of investment projects. Therefore, it is very necessary and urgent to carry out economic evaluation on the development of China’s CBM target area. This paper mainly introduces the model of economic evaluation of coalbed methane target area by using net present value method and the method of estimating relevant parameters. By using this model and method, an overall estimate of the economic benefits of the target area can be made before the development of the CBM project so as to determine whether the target area is economically exploitable. For a plurality of target areas that can be selected, Economic valuation method of present value method can give suggestions on the development sequence of CBM target area so as to avoid the waste of investment and benefit the overall healthy development of CBM industry in China.