利用矿井抽采瓦斯进行发电，是目前矿井最有前途的瓦斯开发项目之一。
To utilize mine gas as fuel for electricity generation is one of the mine gas exploitation projects with great future in gassy coal mines.
研究结果对于利用地应力场抽采瓦斯、通过瓦斯涌出量预测煤岩的变形破坏具有现实指导意义。
The results have a referential value for using geostress field draining gas in coal bed and predicting deformations and failure of coal through gas emission.
顶板瓦斯高抽巷的抽采效果与抽放负压直接相关。
The gas extraction effects is related to negative pressure of suction.
实践表明，地面钻井对抽放采动区域瓦斯效果较好。
Practice indicated that the surface boreholes have better effect on gas drainage from mining area.
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。
Hence, strata control theory can be used in gas extraction and control of coal and gas outburst.
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。
Practices have proved that effective gas extraction can improve ventilation management, gas control and reliability of work safety in the mine.
提高全液压坑道钻机液压系统的技术水平，对于改善钻机整机性能及提高瓦斯抽采孔的成孔率具有重要意义。
It is significant to improve the hydraulic system for better performance of drilling rig and the higher ratio of finishing gas hole.
介绍了高瓦斯采煤工作面采用高抽巷抽放、尾抽巷抽放等专用巷道瓦斯抽放技术，解决了工作面初采期间的瓦斯问题。
Introduces the roadway gas drained technology for high gas mining face, it has resolved the gas control problems during primary mining face.
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。
Infection zones of coal mining are favorable place to coalbed methane recovery in ground or gas extraction in underground.
“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。
"Pressure relief antireflective" technology is to improve the soft low-permeability coal seam gas extraction rate in an effective way.
前言：介绍了在被保护层底板巷向保护层工作面施工下向穿层钻孔，抽采保护层工作面采空区瓦斯的具体做法，并对取得的效果进行了分析总结。
This paper introduced the technical of using drilling downward hole from working surfale in protective coat bottom tu pull out goaf gas, and the effects were analysed and summarized.
通过采取连续抽采，降低或消除13—1煤层的瓦斯含量和突出危险性，实现安全快速高效的掘进。
Through pulling out gas continuously, the gas quantity was reduced and the gas burst of 13-1 coal bed was eliminated, and safe high-speed driving and high efficiency were realized.
摘要为了准确的测定有效抽采半径，提出基于钻孔瓦斯流量和压力的测定方法。
Abstract: in order to measure effective drainage radius exactly, we propose the method based on gas flow and pressure of boreholes.
由于松软煤层的瓦斯含气量高而透气性又极差，一直是本煤层瓦斯抽采的难点和重点。
As the soft coal seam is high gas content and low permeability. it has been difficult and key for the coal seam gas extraction.
以塔山矿为例，在采场裂隙特征分析基础上，实施采场卸压瓦斯抽放试验。
Taking tashan Mine as a example, according to the analysis based on the Characteristics of the Cracks in Stopes, experimental research of stress-relieve gas drainage is worried about.
采用提出的计算方法可避免由于受采动影响对地表瓦斯抽放钻孔引起的过大变形及其所造成的破坏。
By using this method, the damage of surface gas drainage holes caused by induced excessive mining displacement can be effectively reduced if not being avoided.
由于采场接替、抽放效果等诸多原因，随采随抽瓦斯方法为首选。
Due to some reasons of the face arrangement, the gas-suction effect, and so on, the first choice is the method of gas-suction over mining.
上述方法存在的问题是钻孔法有效抽采孔段长度短、终孔孔径小、抽采效果差，巷道法施工工期长、费用昂贵、不利于瓦斯利用。
The effect of gas discharging is limited by length , diameter of borehole in coal seam and high cost of laneway development.
井上下联合抽采煤层气的方法，涉及煤层气（或称瓦斯）的抽采技术领域。
The invention provides a method for extracting coal bed gas by up-hole and down-hole combination, and relates to the technical field of extracting the coal bed gas (or named as gas).
模拟结果可为保护层开采及被保护层卸压瓦斯抽采设计提供合理建议。
Simulation results may bring forward reasonable Suggestions for the design of protective layer mining and relief-pressure gas drainage.
地面钻井抽采采动影响煤层及采空区瓦斯是进行煤矿瓦斯治理和抽采利用的有效方法。
Surface borehole well is a simply and high performance method to drawing coal bed and goaf gas which controlling and making good use of the coal mine gas.
地面钻井抽采采动影响煤层及采空区瓦斯是进行煤矿瓦斯治理和抽采利用的有效方法。
Surface borehole well is a simply and high performance method to drawing coal bed and goaf gas which controlling and making good use of the coal mine gas.
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