The local economy is overwhelmingly dependent on oil and gas extraction.
当地经济严重依赖石油和天然气提炼。
Japan's fear is that gas extraction in Chunxiao could siphon off gas from Japan's side of the field.
日本担心中方在春晓气田的天然气开采会同时吸走日方一侧的天然气。
Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
因此，可以利用岩层控制理论指导瓦斯抽采和预防煤与瓦斯突出的发生。
Practices have proved that effective gas extraction can improve ventilation management, gas control and reliability of work safety in the mine.
实践证明，通过对矿井瓦斯的有效抽采，可以使矿井的通风管理、瓦斯治理工作稳步提高，矿井安全可靠度增强。
The gas extraction effects is related to negative pressure of suction.
顶板瓦斯高抽巷的抽采效果与抽放负压直接相关。
The value of the gas extraction individually is far lower than the coal value.
瓦斯单独开采的价值远远低于煤炭本身。
Infection zones of coal mining are favorable place to coalbed methane recovery in ground or gas extraction in underground.
煤矿采动影响区是地面煤层气开发或井下瓦斯抽放的有利部位。
Abstract: To master the distribution laws of gas flow fields is the premise of designing reasonable project for goaf gas extraction.
摘要掌握采空区瓦斯分布规律，是制定合理的抽采采空区瓦斯技术方案的前提。
"Pressure relief antireflective" technology is to improve the soft low-permeability coal seam gas extraction rate in an effective way.
“卸压增透”技术是提高松软低透气性煤层瓦斯抽采率的有效途径。
Test results of surface gas extraction technology from boreholes in the goaf in Zhangbei Coal Mine, Huainan Mining Group are introduced in the paper.
本文介绍了淮南矿区张北矿地面钻孔抽采采空区瓦斯技术的试验成果。
Hydraudic Fracturing plays an important role in increasing production of with Low permeability reservoir and it also is the prime approach to raising the rate of oil-gas extraction.
水力压裂在低渗油气藏增产措施中占有相当大的比重，而且是提高油气采收率的主要方法。
This paper introduces the main gas extraction and drainage techniques used in Yangquan Coal Mine at present and the application scope and deterministic accordance of these techniques.
主要介绍了阳泉煤矿目前主要的瓦斯抽放技术和方法及其适应范围和确定依据。
Sequentially, the effective radius of gas extraction and the effective pressure-released radius of pressure-released borehole are calculated by the borehole destroying radius expressions.
所得出的钻孔破坏半径的表达式可用于不同条件下计算瓦斯排放钻孔的有效排放半径和卸压钻孔的有效卸压半径。
Gas disasters seriously influence the coal production safety in China coal mines. Gas extraction is the basic way to prevent gas disasters.
瓦斯灾害严重影响我国煤矿生产的安全，瓦斯抽放是防止瓦斯灾害事故的根本途径。
Gas disasters seriously influence the coal production safety in China coal mines. Gas extraction is the basic way to prevent gas disasters.
瓦斯灾害严重影响我国煤矿生产的安全，瓦斯抽放是防止瓦斯灾害事故的根本途径。
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