Article(id=1242134801692565783, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242134748605264044, articleNumber=null, orderNo=32, doi=10.3981/j.issn.1000-7857.2016.07.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1441728000000, receivedDateStr=2015-09-09, revisedDate=1444838400000, revisedDateStr=2015-10-15, acceptedDate=null, acceptedDateStr=null, onlineDate=1461807713100, onlineDateStr=2016-04-28, pubDate=1460476800000, pubDateStr=2016-04-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1461807713100, onlineIssueDateStr=2016-04-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774077614468, creator=sys-migrate, updateTime=1774077614468, updator=sys-migrate, issue=Issue{id=1242134748605264044, tenantId=1146029695717560320, journalId=1146031591421210625, year='2016', volume='34', issue='7', pageStart='1', pageEnd='151', issueExtLink='null', onlineDate='null', pubDate='1460476800000', pubDateStr='2016-04-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774077601811, creator='sys-migrate', updateTime=1774077601811, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=129, endPage=133, ext={EN=ArticleExt(id=1242134805631017269, articleId=1242134801692565783, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Permeabilities of different rank coals by injecting carbon dioxide, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=This paper investigates the permeability change caused by reactions with different minerals in coal after injecting carbon dioxide for providing an experimental support for increasing the flow conductivity of the coal reservoir, and also for the improvement of the permeability based on the test of the nitrogen adsorption, the mineral composition and the permeability of medium-high rank coal (Tunlan mine and Sihe mine). The permeability change model is built based on the nonlinear regression analysis of the initial permeability, the reaction time and the improved permeability. The results indicate that the permeability of medium-high rank coal increases first and then decreases with time after injecting the carbon dioxide as a result of CO₂-water-rock interaction; The permeability of the Sihe coal samples reaches the maximum value first, followed by the Tunlan coal samples, and the improving effect of permeability of the Sihe coal samples is shown to be better than that of the Tunlan coal samples; For the best improvements, the initial permeability is about 0.2×10^-3 to 0.4×10^-3 μm²; Finally, the reliability of the mathematical model is verified., authors=GUO Hui, WANG Yanbin, ZHANG Chongchong, CHEN Ye, TAO Chuanqi, authorsList=GUO Hui, WANG Yanbin, ZHANG Chongchong, CHEN Ye, TAO Chuanqi, authorCompany=College of Geoscience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=prM36P3Bjp7K2htWmwd5HA==, pdfFileSize=1053019, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1242134803294789921, articleId=1242134801692565783, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=注CO₂对不同煤阶煤储层渗透率变化的影响, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=研究CO₂注入煤层后与煤中不同矿物发生反应引起的渗透率变化规律,能够为提高煤储层导流能力提供实验支撑。通过对中、高煤阶煤样(屯兰矿、寺河矿)进行氮气吸附实验、矿物成分及渗透率的测试,探讨了注CO₂后,煤中不同矿物与其反应的渗透率变化规律以及渗透率改善效果;基于对初始渗透率、反应时间、改善后渗透率的非线性回归分析,建立渗透率变化模型。研究结果表明:注入CO₂后,由于发生CO₂-水-岩石相互作用,中、高煤阶煤渗透率均随注气时间增加呈现出先增大后减小的规律,寺河矿煤样先达到渗透率最大值,屯兰矿较滞后,寺河矿煤样渗透率改善效果比屯兰矿好。煤层中注入CO₂对初始渗透率过大或过小的煤层都不利于渗透率改善,只有渗透率在0.2×10^-3~0.4×10^-3 μm²的中等渗透率范围内,改善效果较好,渗透率变化模型经实验数据验证较可靠。, authors=郭慧, 王延斌, 张崇崇, 陈叶, 陶传奇, authorsList=郭慧, 王延斌, 张崇崇, 陈叶, 陶传奇, authorCompany=中国矿业大学(北京)地球科学与测绘工程学院, 北京 100083, correspAuthors=null, authorNote=郭慧,博士研究生,研究方向为煤层气地质,电子信箱:guohui117@126.com, correspAuthorsNote=王延斌,教授,研究方向为煤层气地质,电子信箱:wyb_CUMTB@163.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=iw3HmUWewxCNTCqiLv+lmg==, pdfFileSize=1053019, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=国家科技重大专项(2011ZX05042-03,2011ZX05034-05))}, authors=null, keywords=[Keyword(id=1242134802741141787, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242134801692565783, language=CN, orderNo=1, keyword=煤层气), Keyword(id=1242134802845999388, tenantId=1146029695717560320, journalId=1146031591421210625, 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