Xuemin Zhang , Shanling Zhang , Shaoqi Yin , Guanyu HE , Jinping Li , Qingbai Wu
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引用次数: 7
Abstract
A clear understanding of the replacement characteristics and kinetic mechanism of CO2–CH4 hydrate has great significance for natural gas hydrate (NGH) exploitation. This paper presents a comprehensive overview on the research progress of kinetics on CH4 recovery from NGH by CO2 replacement, especially with CO2-containing mixed gas. The promoting effect of small molecule gas such as H2 and N2 on the replacement process of CO2–CH4 hydrate and its internal mechanism are deeply analyzed. Furthermore, based on the current conclusions obtained, the existing problems and future development directions of the CH4 recovery from NGH by CO2-containing gas mixture are pointed out.
期刊介绍：
The objective of the Journal of Natural Gas Science & Engineering is to bridge the gap between the engineering and the science of natural gas by publishing explicitly written articles intelligible to scientists and engineers working in any field of natural gas science and engineering from the reservoir to the market.
An attempt is made in all issues to balance the subject matter and to appeal to a broad readership. The Journal of Natural Gas Science & Engineering covers the fields of natural gas exploration, production, processing and transmission in its broadest possible sense. Topics include: origin and accumulation of natural gas; natural gas geochemistry; gas-reservoir engineering; well logging, testing and evaluation; mathematical modelling; enhanced gas recovery; thermodynamics and phase behaviour, gas-reservoir modelling and simulation; natural gas production engineering; primary and enhanced production from unconventional gas resources, subsurface issues related to coalbed methane, tight gas, shale gas, and hydrate production, formation evaluation; exploration methods, multiphase flow and flow assurance issues, novel processing (e.g., subsea) techniques, raw gas transmission methods, gas processing/LNG technologies, sales gas transmission and storage. The Journal of Natural Gas Science & Engineering will also focus on economical, environmental, management and safety issues related to natural gas production, processing and transportation.
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