顿涅茨盆地煤-煤岩体现代天然气运移的特点

N. Vergelska, I. Skopychenko
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摘要

目的。研究煤岩块体状态变化时,包括气动力情况下,煤岩块体中定性和定量气体组成指标的变化。方法。本文采用传统的构造地质方法、综合方法和作者自行开发并申请专利的以气相色谱法为基础的煤体气相测定方法。结果。研究了煤体中残余气组分的变化规律。建立了气动力现象下煤体中气体组成的定性和定量变化阶段。确定了瓦斯在煤体和技术成因储层中的运移途径。引入了受不连续构造作用控制的煤体含气速率饱和度的概念。科学的新奇。首次确定了煤体中现代含气带的运移条件和速率含气饱和度。建立了间断构造扰动对煤体中气体运移和聚集的影响。现实意义。确立了瓦斯运移对含煤地块含气饱和带形成的影响,以及对矿井运行废空人为储层形成的影响,对保证煤矿企业安全运行和煤体脱气具有重要意义。关键词:含气,天然气运移,构造扰动,煤体,人为聚集体,顿涅茨盆地
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PECULIARITIES OF MODERN GAS MIGRATION IN THE COAL COAL-ROCK MASSIFS OF THE DONETS BASIN
Purpose. Investigate the change in indicators of qualitative and quantitative gas composition in coal massifs,when the state of the coal rock massif changes, including in gas-dynamic situations. Methodology. The paper uses traditional structural-geological methods, generalization methods and developed and patented by the authors of the method for determining the gas state of coal massifs on the basis of gas chromatography. Results. The change of the residual gas component in coal massifs is investigated.The stages of change of qualitative and quantitative gas composition in coal massifs at gas – dynamic phenomena are established.The ways of gas migration in coal massifs and technogenic reservoirs are determined.The concept of rate gas saturation of a coal massif, which is controlled by the action of discontinuous tectonics, is introduced. Scientific novelty.For the first time, the conditions for the formation of modern gas-saturated zones in coal massifs due to gas migration and rate gas saturation have been determined.The influence of discontinuous tectonic disturbances on the migration and accumulation of gases in coal massifs has been established. Practical significance. The influence of gas migration on the formation of gas-saturated zones in coal-bearing massifs and man-caused reservoirs of the spent space of operating mines is established,which is important to ensure the safe operation of coal mining enterprises and degassing of coal massifs. Key words: gas-bearing, gas migration, tectonic disturbances, coal massif, man-caused collectors, Donets basin.
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