| 木里地区多能源潜在经济价值分析及勘查开发建议 |
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| 引用本文： | 赵彦雄,刘天绩.木里地区多能源潜在经济价值分析及勘查开发建议[J].中国煤炭地质,2010(4):69-72. |
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| 作者姓名： | 赵彦雄 刘天绩 |
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| 作者单位： | [1]中国煤炭地质总局,北京100039 [2]青海煤炭地质局,青海西宁810001 |
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| 基金项目： | 中国煤炭地质总局科技发展专项基金（2008-Ⅰ-02） |
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| 摘 要： | "煤型气源"天然气水合物实物取心的成功,标志着木里地区成为煤炭、煤层气、天然气水合物三位一体的多能源矿床富集区。根据以往地质勘查资料与近期中国煤炭地质总局对木里地区多能源资源综合研究成果,预测木里煤田煤炭资源量105.8亿t,煤层气资源量91.44亿m3,天然气水合物潜在天然气资源量2 710.92～2 991.36亿m3,初步估算其多能源经济价值约为6万多亿元。根据木里煤田"煤型气源"的赋存特点,借鉴前苏联西西伯利亚的麦索亚哈气田的开采经验,认为木里煤田天然气水合物开采采用减压法较为合理,多能源开发顺序为煤层气—天然气水合物—煤炭。鉴于木里煤田天然气水合物的埋藏深度较浅(120～300m),冻土层又薄(80～120m),其开采难度将会相对较小,中国天然气水合物的开发与利用将会在木里煤田首先取得突破。针对当前陆域天然气水合物开采技术难点,指出在木里地区多能源勘查开发与利用中应更多的关注环境保护问题,并提出了天然气水合物勘查开发、保护与利用的建议。
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| 关 键 词： | 经济价值 天然气水合物 天然气 煤层气 煤炭 多能源 煤型气源 木里地区 |
Multi-energy Potential Economic Value Analysis and Advices on Exploration and Exploitation in Muri Area |
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| Zhao Yanxiong,Liu Tianji.Multi-energy Potential Economic Value Analysis and Advices on Exploration and Exploitation in Muri Area[J].Coal Geology of China,2010(4):69-72. |
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| Authors: | Zhao Yanxiong Liu Tianji |
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| Institution: | 1.China National Administration of Coal Geology,Beijing 100039;2.Qinghai Bureau of Coal Geological Exploration,Xining,Qinghai 810001) |
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| Abstract: | The success coring of ＂coal-based gas source＂-natural gas hydrate has indicated the Muri area is already become a triune coal,CBM and gas hydrate multi-energy deposit enrichment area.Based on previous exploration data and recent multi-energy resource synthetic study results from the CNACG,predicted coal resource 10.58 billion tons,CBM resource 9.144 billion m3 and potential natural gas resource from gas hydrate 271.092～299.136 billion m3 in the Muri coalfield,preliminary estimated economic value about 6 trillion CNY.According to hosting features of ＂coal-based gas source＂ and draw lessons from exploitation experiences of the Messoyakha gas field in west Siberia,Russia,considered that the reduced pressure method can be used in the exploitation of gas hydrate in Muri coalfield,the exploitation sequence will be CBM-gas hydrate-coal.In view of shallow buried depth（120～300m） of gas hydrate,thin frozen soil layer,the first breakthrough of exploitation and use of gas hydrate in China should be happened in Muri coalfield.In allusion to exploitation technical difficulties of land gas hydrate at present,more attentions should pay to environmental protection issues in exploration,exploitation and utilization. |
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| Keywords: | economic value natural gas hydrate natural gas CBM coal multi-energy ＂coal-based gas source＂ Muri area |
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