coalbed相关论文
Gas drainage efficiency improvement by increasing coalbed permeability using waterjet cutting system
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The crack volume strain method and acoustic emission(AE)method are used to analyze the anisotropy of the crack initiatio......
The characteristic curve of methane adsorbed on coal and its role in the coalbed methane storage res
Based on the adsorption potential theory, this paper processes and analyzes the isothermal adsorption data at different ......
The coal reservoir is a kind of geologic body with considerable elasticity, and its response to stress is more sensitive......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Tectonically deformed coal types and pore structures in Puhe and Shanchahe coal mines in western Gui
To evaluate the effect of tectonic deformation on coal reservoir properties,we provide an analysis of the types of tecto......
Characteristics of dissolved inorganic carbon in produced water from coalbed methane wells and its g
Based on long-term dynamic tracing of dissolved inorganic carbon(DIC)and stable carbon isotope(δ13CDIC)in produced wate......
A simple method for solving unidirectional methane gas flow in coal seam based on similarity solutio
The equation used to model the unidirectional flow of methane gas in coal seams is usually formulated as a nonlinear par......
A deeper understanding of the mechanisms by which geological factors(depositional environment and tectonic evolution)con......
准噶尔盆地白家海地区西山窑组煤层分布面积广，并具有煤层储层开发的有利条件，前期C＊04井通过压裂改造，压后获得一定产能，但是由于工艺......
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Based on the analytical solution of gas diffusion in spherical coal particles with a constant diffusion coefficient, a c......
介绍了沁源嘉元煤矿炮采工作面的基本情况，就沁源嘉元煤矿矿井煤层自然发火的规律及其成因进行了分析．提出了综放工作面的管理技术措......
Multiphysics of carbon dioxide sequestration in coalbeds： A reviewwith a focus on geomechanical char
To reduce the emissions of carbon dioxide （CO2） into the atmosphere, it is proposed to inject anthropogenicCO2 into deep g......
鉴于煤层气排水采气的开采特性,煤层气集输管网中的游离水逐渐聚集于管路低洼处,使得输气管网的效率大幅度降低。由于不同排液方式......
论述了我国开采煤层气目前存在的问题 ,并且通过煤对二氧化碳 ( CO2 )、甲烷 ( CH4)、氮气 ( N2 )吸附机理的分析 ,提出注入二氧化......
根据晋南地穹列造型相分析，恢复了４期应力场：（２）地洼初动期近Ｓ－Ｎ水平抗压；（２）地洼激烈期ＮＷＷ－ＳＥＥ水平挤压；（３）地洼余动期ＮＮＥ－ＳＳＷ水平挤压；（４）地洼余动期ＮＷ－ＳＥ、ＮＷＷ－ＳＥＥ近水平伸展。......
抚顺这座资源枯竭型城市,城下压覆大量的煤炭及煤层气资源,如果这些资源能够被开发利用,不仅能带动抚顺经济的发展,还将对我国其它......
董8 井是中石化部署在准噶尔盆地的一口重点预探直井,完钻井深5 580 m,该井上部地层起下钻遇阻频繁,下部侏罗系煤层发育,且地层压......
利用灰分与孔隙度具有较好相关性的特点，充分利用灰分提供的信息对孔隙度进行预测．同位协同克里金方法能够协同灰分数据进行孔隙度预......
针对我国煤层气储层低孔低压的特点，笔者提出采用纳米材料暂堵技术与可循环微泡沫钻井液相结合的技术思路。通过泡沫钻井液稳定性评......
自进式高压水射流钻进技术是在煤层气勘探井内布置机械或水力扩孔装置,对准选定的煤层进行扩孔后,下入特制的转向工具,在300mm的曲......
煤层具有低速度、低密度特征、煤层与其他岩性接触的界面是良好的液阻抗界面，可以形成强振幅反射波，煤层在常规及物理地震剖面上都具......
汶川大地震中XI级烈度区内水井岩滑坡现场等地爆炸声、特大型滑坡现场巨大环形坑和远距离抛射碎石等记录和现象,需给出科学解释。......
Gas drainage efficiency improvement by increasing coalbed permeability using waterjet cutting system
<正>This paper presented a method to create artificial fractures along the existing gas drainage borehole and increase t......
针对不同地层特点调整处理剂配方,形成了适合不同井段的钻井液体系,现场应用表明,采用的钻井液体系解决了董7井上部地层泥页岩易水......
以大量钻孔资料为基础，通过分析研究。对含煤岩系的含煤性作出评价，划分了3大含煤段，利用有效的对比方法和依据，对可采煤层进行全区对......
Geological Controls on the CBM Productivity of No.15 Coal Seam of Carboniferous-Permian Taiyuan Form
Coalbed methane (CBM) resources in No.15 coal seam of Taiyuan Formation account for 55% of the total CBM resources in so......
岩浆侵入对煤矿生产影响极大,淮北煤田卧龙煤矿是受岩浆侵入较严重的矿井之一,其地质构造是控制岩浆侵入和岩浆岩展布的重要因素。......
在煤层气地面抽采技术日趋成熟的今天，湖南高瓦斯煤矿因“先抽后掘、先抽后采”生产停滞不前。将矿井瓦斯作为一种洁净能源开发利用......
In accordance with the fracturing and producing mechanism in coalbed methane well, and combining the knowledge of fluid ......
Based on the productivity equation of coalbed methane (CBM) well, considering the impact of coal reservoir reformability......
利用数理统计学原理，建立了淮南谢二炉－４５０ｍ水平不同煤层的相对瓦斯涌出量与煤层厚度、煤层结构破碎程度的回归分析模型，表明在同一地质单......
The low rank coalbed methane (CBM) has great potential for exploration and development in China, but its exploitation le......
Using a regionally disaggregated global energy system model with a detailed treatment of the natural gas resource base, ......
Coal during its carbonization process produces a gas. This gas, mainly formed by methane, can be used. The use of CBM (C......
Coal-measure gas is the natural gas generated by coal, carbonaceous shale, and dark shale in coal-measure strata. It inc......
Contribution to Gas Production from Minor Coal Seams and Adjacent Shales: Numerical Modelling Result
The contribution to production of the gas stored within the coal and shale beds adjacent to the main coal seam in the Ma......
从国内外对煤层气井试井的主要认识的分析出发,对煤层气试井技术研究的基本观点进行了介绍;从了解煤层储层特征、煤层动态变化、措......
A dynamic evaluation technique for assessing gas output from coal seams during commingling productio
Gas drainage is carried out based on output from each coal bed throughout commingling production of coalbed methane(CBM)......
Research progress on permeability improvement mechanisms and technologies of coalbed deep-hole cumul
Coalbed gas extraction is an important means of exploiting and utilizing gas resources,as well as a means of preventing ......
The paper deals with the coalbed methane gas-bearing characteristics such as the gas content, theoretical gas saturation......
Prediction Model of Coal Reservoir Pressure and its Implication for the Law of Coal Reservoir Depres
The main methods of coalbed methane(CBM)development are drainage and depressurization,and a precise prediction of coal r......
Coalbed Methane Enrichment Regularity and Major Control Factors in the Xishanyao Formation in the We
There are abundant coal and coalbed methane(CBM)resources in the Xishanyao Formation in the western region of the southe......
Pore Structure and Permeability Characterization of Highrank Coal Reservoirs: A Case of the Bide-San
The methods of nuclear magnetic resonance(NMR)spectroscopy,mercury injection porosimetry(MIP),and gas-water relative per......
Adsorption Mechanism and Kinetic Characterization of Bituminous Coal under High Temperatures and Pre
The majority of coalbed methane(CBM) in coal reservoirs is in adsorption states in coal matrix pores. To reveal the adso......
Inspired by successful development of shale gas in USA and influenced by hydrocarbon resources shortage currently, China......
