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- 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。
- This paper introduces the aims and contents of the evaluation on the seam gas content, and probes into the methods, degrees and workload of the evaluation on seam gas content. 介绍了煤层瓦斯含量评价的目标和内容,就煤层瓦斯含量评价的方法、评价程度和工作量等进行了探讨。
- Analyses the influence factors of seam gas in Shaqu coalfield,forecasts gas contents and sury capacity in coalfield, puts forward that it is very necessary to develop gas drew and used. 分析沙曲井田煤层气含量影响因素,根据瓦斯含量对矿井瓦斯涌出量进行了预测分析,提出开展瓦斯抽放与利用是十分必要的。
- seam gas content 煤层的瓦斯含量
- This study provides a scientific method about studying the gas content of the coal seam unmined and provides the basic data about the safe mining. 这为未开采煤层瓦斯含量的研究提供了科学方法，并为该煤矿的安全开采提供了基础资料。
- We take the 14# coal seam of Xiaonan coal mine of Tiefa basin as an example and analyse the geologic agent systematically which influences the gas content. 未开采煤层瓦斯含量及影响因素研究,是煤矿安全生产的重要基础研究工作,以铁法盆地晓南矿未开采的14%23煤层为例,系统分析了影响瓦斯含量的地质因素。
- The rock mass structure can be expressed by rock stratum effect thickness influence coefficient. It is more scientific then using roof rock and sand content in the study of coal seam gas preservation. 研究表明,煤层围岩岩体结构控制了煤层瓦斯的赋存,岩体结构可用岩层效应厚度影响系数来表示,应用这一参数研究煤层瓦斯赋存比用煤层顶板岩性及含砂率更科学。
- Therefore,the conventional gas content measurement is invalid to lignite. 因此,传统的煤层气含量确定方法不适用于褐煤。
- 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。
- 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。
- 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。
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- The ample and essential conditions of seam gas formation are the existence and development degree of the basin, system and zone of seam gas. 煤层气盆地、煤层气系统、煤层气区带的存在及发育程度是煤层气藏形成的充分与必要条件。
- However, in areas with weaker hydrodynamics, or stagnant area, the coal usually has high gas content. 相反,在水动力不活跃地区或滞流水区域,煤层气的含量就比较高。
- The inversive calculation result showed that the permeability coefficient of coal seam and its changing condition can be determined by seam gas Pressure. 算例反演的结果表明，利用反演方法能够通过煤层瓦斯压力确定煤层的透气性系数及其变化状况。
- The results show that gas geology cell should be taken into account to analyse gas content. 结果表明：对煤层瓦斯含量的分析必须以瓦斯地质单元为区块；
- In this paper, we outline the progress of seam gas exploration and study in Yunnan and emphasize the superiority of abundant seam gas resources of Yunnan. 本文概略介绍我省煤层气勘探及研究工作进展情况,强调云南丰富的煤层气资源,应是云南的资源优势。
- 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。
- Based on gas content analysis results the scope of weathered zones is determined. 通过煤层气样的气体组分分析，确定了甲烷风化带的大致影响范围。
