• 中文核心期刊
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  • RCCSE中国核心学术期刊

煤与煤层气协调开发煤层气井下抽采安全性评价

张学超

张学超. 煤与煤层气协调开发煤层气井下抽采安全性评价[J]. 煤矿安全, 2015, 46(12): 174-178.
引用本文: 张学超. 煤与煤层气协调开发煤层气井下抽采安全性评价[J]. 煤矿安全, 2015, 46(12): 174-178.
ZHANG Xuechao. Evaluation of Underground Gas Extraction Safety Based on Coordinative Development of Coal and Coalbed Methane[J]. Safety in Coal Mines, 2015, 46(12): 174-178.
Citation: ZHANG Xuechao. Evaluation of Underground Gas Extraction Safety Based on Coordinative Development of Coal and Coalbed Methane[J]. Safety in Coal Mines, 2015, 46(12): 174-178.

煤与煤层气协调开发煤层气井下抽采安全性评价

Evaluation of Underground Gas Extraction Safety Based on Coordinative Development of Coal and Coalbed Methane

  • 摘要: 为研究煤层气井下抽采安全性,在典型矿区煤层气开发实践经验的基础上,结合煤层气井下抽采的技术和相应的考察指标,确认优先评价和基础评价,构建煤层气井下安全性评价体系,并且根据不同阶段的评价选择不同的评价指标,基础评价的指标主要是:抽采后的残余瓦斯压力、瓦斯含量、可解吸瓦斯量、抽采率,引入隶属函数对不同的评价指标进行统一量化,根据相关的规定和制度建立一套评价标准,通过风险矩阵和模糊数学的方法对煤层气井下抽采后的各项评价指标进行评价和分析,再按照各项指标构成的安全性函数得到安全指数,根据安全指数数值对煤层气井下抽采安全性进行安全等级划分,得到其抽采后的安全级别。
    Abstract: In order to study the gas extraction safety underground, based on the practical experience of coalbed methane development in typical mining area, the priority evaluation and the basic evaluation were confirmed combined with underground coalbed methane extraction technology and corresponding indicators, and the underground coalbed methane safety evaluation system was established. According to the evaluation of different stage, the different evaluation index was chosen, the general evaluation index consisted of gas press, gas content, desorption gas quantity, gas extraction rate, and the membership function was introduced to carry out uniform quantization for different evaluation indexes, a set of extraction standard was set up according to the corresponding specification and system. The different evaluation indicator was evaluated and analyzed after underground gas extraction with risk matrix and fuzzy mathematics, and the safety index was obtained from the safety function constructed by different indicator. In the light of the safety index value, the safety of underground gas extraction was divided into different level, the safety hierarchy was formed after gas extraction.
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  • 发布日期:  2015-12-19

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