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Underwater collection of methane on east arctic shelf low-expensive technology of gas extraction

机译:在东北极架上水下收集甲烷的低成本天然气开采技术

摘要

In connection with the global warming of climate in the Arctic zone (both on dry land and in the sea shelf) began the processes of decomposition of the permafrost, accompanied by isolation into the atmosphere of carbon dioxide and methane.The enormous deposits of methane hydrates on the bottom of the Laptev Sea, Eastern Siberian and Chukchi Sea, sea of Beaufort (depth not more than 50 m) began to separate methane into entire the increasing quantity.Freely separating from sea methanehydrates methane - this is the new alternative source of natural working medium with the extracted reserves into tens of trillions of cubometers of gas, which at present in no way is used. For putting out such a methane will be required neither seismic survey works nor reconnaissance boring nor enormous obtaining sea platforms. Expenditures for the production of the underwater, fully automated collectors of methane, their installation to the shoal (at the depths not more than 50 m), the padding on the bottom of the sea of gas pipe for pumping of gas to the coast station, the building and the maintenance coast gas station and power station, which works on the obtained gas, will be the basic expenditures with this method of putting out the gas. Power station is necessary for the guarantee with the electric power of all technological process of this method of putting out the gas.The natural conditions of the Laptev Sea and of the East Siberian Sea enhance to that proposed by the authors of the technology of the output of methane (small depth, the small fluctuations of sea level, the absence of strong flows, etc); therefore development and introduction of this technology can be executed only in 3-5 years. With the high degree of probability it is possible to assume that in this time the intensity of the isolation of methane even more will grow under the action of global warming and the proposed technology will undergo considerable development for the purpose of the gasification of the populated areas on eastern- Arctic shelf of Russia.
机译:随着北极地区全球气候变暖(在陆地和海洋架子上),永久冻土开始分解,并被隔离到二氧化碳和甲烷的大气中。甲烷水合物的大量沉积在拉普捷夫海,西伯利亚东部和楚科奇海的底部,波弗特海(深度不超过50 m)开始将甲烷分离成增加的总量。与甲烷水合物自由分离的甲烷-这是天然的新替代来源工作介质,将提取的储量转化为数十万亿立方米的天然气,目前还没有使用过。为了排出这种甲烷,既不需要地震勘测工作,也不需要侦察钻孔,也不需要巨大的海上平台。用于生产水下,全自动甲烷收集器的费用,将其安装到浅滩(深度不超过50 m),气管海底用于将天然气泵送到海岸站的衬垫的费用,用这种方法排出天然气的建筑物,维护用海岸加油站和发电站将是处理这些气体的基本支出。发电厂是保证这种瓦斯抽放方法的所有工艺过程的电力所必需的。拉普捷夫海和西伯利亚东海的自然条件增强了输出技术作者所提出的条件。甲烷(深度小,海平面波动小,没有强流量等);因此,这项技术的开发和引进只能在3-5年内完成。具有很高的可能性,可以假设在这段时间内,在全球变暖的作用下,甲烷的隔离强度将进一步增加,并且为人口稠化地区的气化目的,所提出的技术将得到重大发展在俄罗斯东部北极大陆架上。

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