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天然气水合物开采井孔出砂问题研究
Alternative TitleSTUDY ON SAND PRODUCTION IN A NATURAL GAS HYDRATE PRODUCTION WELL
黄国恒1,2; 苏正2; 夏枚生1; 邬黛黛2
2017-10
Source Publication海洋地质与第四纪地质
ISSN0256-1492
Volume37Issue:5Pages:174-183
Abstract天然气水合物是一种重要的非常规能源,但水合物开采出砂问题成为制约其走向商业化开发的关键因素。南海北部陆坡是我国天然气水合物的重要赋存区,其水合物主要以分散状弱胶结方式赋存,研究其出砂问题显得极为迫切。研究表明储层出砂的根本原因是储层介质强度降低,而水合物储层介质强度受到水合物胶结模式、水合物饱和度、孔隙流体压力、流速及生产压差等影响。本文在对比分析天然气水合物储层出砂与常规油气藏出砂特征的基础上,总结了弱胶结疏松砂岩油藏出砂研究方法,为天然气水合物储层开采井孔出砂的研究提供思路和参考。
Other AbstractNatural gas hydrate has been proved significant as a kind of unconventional energy source.However,the sand production from gas hydrate-bearing deposits has remained a nightmare to the commercial development of the resource.The northern slope of the South China Sea is an important natural gas hydrate area in China.The natural gas hydrate there is distributed mainly in a scattered pattern by weakly cemented deposits and it really is urgent to study the mechanism of sand production for sustainable development of the resource.The fundamental reason of sand production is the decrease in the strength of reservoir medium,which is cemented by hydrate,and effected by the factors of hydrate saturation,pore fluid pressure,flow rate,production pressure and so on.Based on the comparison of sand production from the natural gas hydrate reservoir to the conventional oil and gas reservoir,this paper summarizes the up-todate research results of sand production in weakly cemented sandstone reservoirs,and taking it as a reference we studied the sand production in natural gas hydrate reservoirs.
Keyword天然气水合物 开采 出砂研究 弱胶结砂岩 natural gas hydrate exploitation sand production study weakly cemented sandstone
DOI10.16562/j.cnki.0256-1492.2017.05.018
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16675
Collection中国科学院广州能源研究所
Corresponding Author苏正
Affiliation1.浙江大学,杭州310058;
2.中国科学院天然气水合物重点实验室,中国科学院广州能源研究所,广州510640
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
黄国恒,苏正,夏枚生,等. 天然气水合物开采井孔出砂问题研究[J]. 海洋地质与第四纪地质,2017,37(5):174-183.
APA 黄国恒,苏正,夏枚生,&邬黛黛.(2017).天然气水合物开采井孔出砂问题研究.海洋地质与第四纪地质,37(5),174-183.
MLA 黄国恒,et al."天然气水合物开采井孔出砂问题研究".海洋地质与第四纪地质 37.5(2017):174-183.
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