Exploration evaluation coal seam gas is a base of coal seam gas exploration and developing.
煤层气的勘探评价，是开展煤层气勘探与开发工作的基础。
The ground lifting machine for coal seam gas coring drill is required to be speedy and powerful.
对与煤层气井用绳索取心钻具配套使用的地面升降装置要求提升能力足、提升速度快。
There are many kinds of forms of gas discharge, but the main form is soft coal seam gas discharge.
瓦斯抽放形式有多种，本煤层抽放是其主要形式。
Research on coal bedding structure is the theory foundation and precondition of coal seam gas exploitation.
煤体层理结构的研究是煤层气开发开采的理论基础和前提条件。
According to the coal seam gas content formula, the gas pressure in different freezing temperature was calculated.
根据煤层瓦斯含量公式，计算出不同冻结温度下煤层瓦斯压力。
So it is feasible used the logging data to forecast coal seam gas content, and the applied value is enhance further.
证明用测井资料预测煤层瓦斯含量是可行的，从而进一步加强了测井资料的实际应用价值。
The firm decommissioned the remaining two coal seam gas (CSG) wells and the land rehabilitated at costs lower than budgeted.
公司名下的两口煤层气油井已经停产，并且土地复原费用低于公司预算。
As the soft coal seam is high gas content and low permeability. it has been difficult and key for the coal seam gas extraction.
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。
"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。
It is suggested that coal lithological types with high content vitrinites have better physical behavior conditions for coal seam gas accumulation.
提出了镜质组含量高的煤岩类型有较好的煤层气储集物性条件。
To grasp the coal seam gas control content and gas gush rules can efficiently stop gas, avoid gas accident and accumulate gas preventive measures.
掌握各煤层瓦斯含量及瓦斯涌出规律，为有效地采取可靠措施进行瓦斯治理积累了经验，对保证生产杜绝瓦斯事故起到了积极的作用。
If undertaking improvement on unsubstantial technical sectors, it is expected a breakthrough in exploration of the coal seam gas in the Liupanshui area.
指出针对薄弱技术环节进行改进，六盘水地区煤层气勘探可望取得突破。
The business unit provides a suite of artificial lift products to the Australian coal seam gas market including pumps, drives and solids management technology.
该业务主要为澳大利亚煤层气市场提供了人工升举产品，包括泵、动力装置和高含沙井优化技术。
Being influenced by the dual factor of the coal seam gas pressure difference and ventilation, the coal seam is the main route at the later period of the gas release.
受煤层瓦斯压力差和煤层的透气性双重因素影响，煤层是瓦斯后期释放的主要通道。
Coal seam gas reserves in China are ranked after those in Russia and Canada. Serious attention is being given to coal seam gas development and utilization in the world.
我国继俄罗斯、加拿大之后拥有世界上第三大煤层气储量煤层气开发与利用受到很大关注。
The storage, application and forecast of coal seam gas in Hegang mine field are introduced, and the detailed mining area and way for earlier and later stage are provided.
介绍了鹤岗矿务局煤层气储量、利用情况和发展前景，提出了具体开采区域和前、后期的开采方式。
This paper analyzes the causes of difficult drainage of Guizhou coal seam gas to provide references for finding out an effective method suitable for Guizhou coal seam gas drainage.
探讨贵州煤矿煤层气不易抽放的原因，为找到适合贵州抽放煤层气的有效方法提供依据。
Making use of horizontal pinnate branch well to develop and utilize coal seam gas, is a new drilling technique, which is different from horizontal drilling and has its own uniqueness.
利用水平羽状分支井来开发利用煤层气，是一项新的钻探技术，它有别水平钻井，有其独特性。
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.
目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术，尤其是深孔打钻技术。
Take the coal seam gas out among them in advance being able to compose in reply measure composition defending against other dashing forward adopt, the person has broad serviceability therefore.
其中预抽煤层瓦斯能和其他防突措施配合采用，因此其具有广泛的适用性。
Throngh the detailed analysis of the relations between geology construction and coal seam gas content, the theory, that geology construction controls coal seam gas content, has been put forward.
对构造与煤层沼气含量的关系进行了详尽的分析，论述了构造控制沼气含量的理论。
The hot new product in Queensland, though, is coal-seam gas.
然而目前昆士兰最热门的新产品是煤层气。
Most of it comes from off the coast of Western Australia, and most of this, like the coal-seam gas, is destined for Asia.
这其中绝大多数出自澳大利亚西海岸，此地出产的煤层气等绝大多数产品都销往亚洲。
The paper researchs the principle of protective seam mining, hydraulic slotting method and executing-digging technology to avoid risk of coal-gas outburst, and its practices in coal mine.
通过分析近距离保护层开采、水力掏槽法及边抽边掘技术防治煤与瓦斯突出原理及实践应用，从而有利于煤与瓦斯突出矿井选择合理有效的防突技术。
The gas pressure is a main factor of deciding gas content in coal seam. It is an important parameter of the dangerous prediction for coal and gas outburst too.
煤层瓦斯压力是决定煤层瓦斯含量的一个主要因素，也是煤与瓦斯突出危险性预测的一个重要参数。
Based on the analysis of gas source at the working face with "three-soft" unsteady coal seam, the authors introduce the principle and method of gas suction by roof-rock drilling.
前言：通过对“三软”不稳定煤层采煤工作面瓦斯来源的分析，介绍了采用顶板岩石钻孔抽放解决瓦斯问题的原理和方法。
There are abundant coal and seam gas resources in East Yunnan.
滇东地区有较丰富的煤炭和煤层气资源。
Main geologic factors that influence recoverability of coal-seam gas include coal-bed permeability, reservoir pressure, gas saturation and desorption rate.
影响煤层气可采性的主要地质因素有：煤层的渗透性、储层压力、含气饱和度、解吸率等。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
Based on consideration of stress sensitivity of coal seam permeability, the single-phase flow rule of coal-bed gas in coal and cleats is studied by using non-equilibrium adsorption model.
在考虑煤层渗透率应力敏感性的基础上，采用非平衡态吸附模型，研究单相煤层气在煤体和割理中的流动规律。
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