收稿日期: 2008-04-16
修回日期: 2008-10-06
网络出版日期: 2009-02-10
The Evaluation Methodology for Selecting of the Coal bed Methane's Blocks and Their Benefits
Received date: 2008-04-16
Revised date: 2008-10-06
Online published: 2009-02-10
郑得文 张君峰 孙广伯 徐小林 鞠秀娟 . 煤层气项目选区及效益综合评价方法[J]. 天然气地球科学, 2009 , 20(1) : 153 -158 . DOI: 10.11764/j.issn.1672-1926.2009.01.153
Coal-bed Methane is a special type of unconventional natural gas resources. Its basic theories and methodology, such as selecting of the blocks, benefit evaluation, development and etc., are still at a relatively immature stage compared with the conventional natural gas. In this paper, aimed at selecting of the coal-bed methane blocks, we come up with three key technical indicators. Also, considering the actual situation of domestic and abroad coal-bed methane exploration and development, we conclude 10 specific indicators so as to provide effective help for coal-bed methane project blocks. Due to the complexity of coal-bed methane project evaluation, some factors which impact the benefits of coal-bed methane projects are analyzed systematically, for offering some approaches to economic analysis and evaluation of coal-bed methane projects. Coal-bed methane project evaluation is based on the economic recoverable reserves. In the paper, two ways to assess economic coal-bed methane reserves is presented, that is, the cash flow method and the economic limit method.
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