Cracks in coal seams are important parameters in coal methane exploration and development.
煤层中的裂缝是煤层气勘探和开发的重要参数。
Abstract: Improving coal methane production is an important subject in the current research for coal methane exploration.
摘要如何提高煤层气产量是目前煤层气开采研究中的重要课题。
The paper introduces the basic research on coal methane and its technological development and application at home and abroad.
介绍了国内外煤制甲烷的基础研究和工艺开发及应用进展。
Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal.
最后提出了利用煤屑解吸瓦斯流量测算煤层瓦斯压力和瓦斯含量的计算方法和计算公式。
The research results could provide corresponding theoretical basis for engineering practices of exploiting coal methane by heat injection.
研究成果可为煤层中注热开采煤层气的工程实践提供相应的理论基础。
Coal Methane have long been known to be risky for exploiting a coal mine, it is considered to be a viable source of energy in recent ten years or more.
煤层甲烷长期以来认为是对采煤工作的危害，只是近十多年来才被认为是一种潜在的能源。
Coal, by contrast, is associated with a much smaller methane release during mining; but burning it produces about twice as much CO2 as burning natural gas.
与之相反，在煤炭的开采中甲烷释放要少的多；但燃烧煤炭所产生的CO2比燃烧天然气所释放的CO2多出2倍。
Hydrogen sulfide leaks, methane explosions, mine-stope collapses, oh my! Coal mining is an ancient profession, and has been recognized as wildly risky since the very start.
硫化氢泄露、甲烷爆炸、煤矿坍塌，天呢，太危险了！煤矿开采是一种古老的职业，有史以来，就一直被认为是风险极高的职业。
But he said that after correcting his error, the emissions from coal barely changed, and the data still showed that the intensity of methane could erase the advantages of using natural gas.
然而，他表示经过修订错误以后，煤炭的温室气体排放量变动很小，最后的结果仍然指出甲烷强烈的温室效应将抵消天然气的清洁优势。
In North Dakota, the Great Plains Synfuels plant, which converts coal to methane, takes the leftover carbon dioxide and pumps it through a pipeline to Canada to stimulate oil production there.
达科他北部的大平原合成燃料厂很早就开始进行煤转化为甲烷的业务，回收二氧化碳，把它们通过管道输送到加拿大。
ENERGY: Within a few decades, after methane plants have replaced coal plants, according to Ausubel's decarbonization model, the move is on to full nuclear.
能源：根据奥苏伯尔的脱碳模型，几十年后甲烷工厂已取代燃煤电厂，此举是全面核计划的举措。
The culprit in such cases is usually methane gas, which accumulates in coal beds and can explode when the bed is penetrated during mining.
罪魁祸首通常是瓦斯气体，而它则通常在煤层中凝聚，当开采钻探时很容易引起爆炸。
The problem of methane or coal dust in a mine's air is relatively easy to solve.
沼气或者煤渣的问题解决起来相对容易。
For instance, Craig Venter's Synthetic Genomics and other companies are trying to develop microbes that turn coal, tar shale and oil into methane.
例如，克雷格·文特尔(Craig Venter)的合成基因学说，以及其他一些公司正在试图开发把碳、页岩焦油和原油变为甲烷的微生物。
Coal-bed methane accounts for about 2% of the world's natural-gas supply.
煤层气约占世界天然气供应的2%。
What if, with revelations around methane emissions, it turns out to be only a 10 or 20 percent reduction of carbon from coal?
他说，“如果计入甲烷排放的因素，结果发现天然气仅仅能削减煤炭10%到20%的碳排放强度，那该怎么办？
Figured that way, the climate effect of methane from natural gas would quickly outpace the climate effect of carbon dioxide from burning coal.
如此来看，天然气中甲烷的温室效应可能快速超过煤炭燃烧产生二氧化碳对气候的影响。
The tribe, whose reservation sits atop one of the world’s richest fields of natural gas from coal-bed methane, had to surmount many hurdles to find an alternative energy idea it considered suitable.
该部落保留地位于全球蕴藏量最丰富的天然气田之上，必须克服障碍以找到一种被确认为合适的替代能源。
Nor is shale gas the only new sort of reserve: "tight gas" in sandstones and coal-bed methane (the sort of gas that used to kill canaries down mines) are also promising.
不是只有页岩气是一种新的储备能源：在砂岩中的“致密地层天然气”还有在煤层里的甲烷(一种能在矿井里杀死金丝鸟的气体)也十分有前景。
ii. Tap water, heating, air conditioning, hot water, coal gas, lipuefied petroleum gas, naturalgas, methane gas, coal/charcoal products for household use;
自来水、暖气、冷气、热水、煤气、石油液化气、天然气、沼气、居民用煤炭制品；
Earlier this year BG and Queensland Gas Company, one of Origin's rivals, agreed to build a plant to liquefy coal-bed methane and export it to Asia.
今年早些时候，BG和昆士兰州一家天然气公司(OriginEnergy的竞争对手)同意建立一个煤层气液化工厂，并将产品出口到亚洲。
Arrow plans a much smaller LNG plant across the bay from Curtis Island at Fisherman's Landing, which would take its coal bed methane production for export.
Arrow计划在与柯蒂斯岛隔海相望的Fisherman ' sLanding修建一座规模小很多的液化天然气工厂，所生产的煤层气将用于出口。
Royal Dutch Shell's move on Arrow Energy is an important step forward in the company's development of Australia's coal bed methane.
荷兰皇家壳牌(Royal Dutch Shell)收购ArrowEnergy，是该公司开发澳大利亚煤层气战略向前迈出的重要一步。
Royal Dutch Shell's move on Arrow Energy is an important step forward in the company's development of Australia's coal bed methane.
荷兰皇家壳牌(Royal Dutch Shell)收购ArrowEnergy，是该公司开发澳大利亚煤层气战略向前迈出的重要一步。
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