Article(id=1242120108047401763, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242120090297107178, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1261324800000, receivedDateStr=2009-12-21, revisedDate=1271779200000, revisedDateStr=2010-04-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1276358400000, onlineDateStr=2010-06-13, pubDate=1276358400000, pubDateStr=2010-06-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1276358400000, onlineIssueDateStr=2010-06-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774074111231, creator=sys-migrate, updateTime=1774074111231, updator=sys-migrate, issue=Issue{id=1242120090297107178, tenantId=1146029695717560320, journalId=1146031591421210625, year='2010', volume='28', issue='11', pageStart='3', pageEnd='139', issueExtLink='null', onlineDate='null', pubDate='1276358400000', pubDateStr='2010-06-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774074107000, creator='sys-migrate', updateTime=1774074107000, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=64, endPage=67, ext={EN=ArticleExt(id=1242120113449665345, articleId=1242120108047401763, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Calculation of Reservoir Irreducible Water Saturation Based on NMR Experiment and Mercury Penetration Experiment, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=In order to calculate the irreducible water saturation of sandstone reservoir in a certain area in Xinjiang, 142 sandstone rock samples are selected from six wells for experimental Nuclear Magnetic Resonance (NMR) and mercury penetration measurements. According to the result of NMR, using methods of T2 spectrum area ratio, weighing, Spectrum Bound Volume Irreducible(SBVI), unified T2cutoff, to get water saturation, it is seen that the weighing method and the T2 spectrum area ratio method are better, and the two methods are used to build irreducible water saturation model of sandstone reservoir in the study area. Based on NMR experiments measurements, all application conditions of irreducible water saturation derived from mercury intrusion capillary pressure experiments are studied. The studies suggest that for rock samples with the porosity of less than 15% and the permeability of less than 0.1×10-3μm2, the displacing force of 6.897×10-3MPa can drive all movable water, and that the water saturation derived from mercury penetration experiments is the true irreducible water saturation. For rock samples with porosity greater than 15% and permeability less than 0.1×10-3μm2, the displacing force of 6.897×10-3MPa can only drive some movable water, and the water saturation derived from mercury penetration experiments is not the true irreducible water saturation. Under the condition of reservoir with high porosity and permeability, the buoyancy generated by the difference of oil-water density in reservoir conditions which is equal to the capillary pressure in this paper, the water saturation obtained in pure oil conditions is the true irreducible water saturation., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=PGk0RG3G631GbaxrUqm56w==, pdfFileSize=696920, 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=1242120111419626407, articleId=1242120108047401763, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=基于核磁共振和压汞实验的储层束缚水饱和度计算方法, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=为了准确计算新疆某地区砂岩储层的束缚水饱和度，从6口井中分别选取142块砂岩样品进行了核磁共振实验和压汞实验测量。根据核磁共振实验结果，采用T2谱面积比值法、称重法、谱系数束缚水截止值（SBVI）法和统一T2截止值法分别求取束缚水饱和度，认为称重法和T2谱面积比值法更佳，适用于建立研究区储层的束缚水饱和度模型。在核磁共振实验基础上，考察了压汞实验所得到的束缚水饱和度的适用条件，结果表明：对于孔隙度小于15%、渗透率小于1×10-3μm2的样品，6.897×10-3MPa的驱替压力可以将可动水驱替干净，在压汞实验得出的毛管压力曲线上所对应的此驱替压力下的含水饱和度为实际的束缚水饱和度；对于孔隙度大于15%、渗透率大于1×10-3μm2的岩样，6.897×10-3MPa的驱替压力可将部分束缚水驱出，此驱替压力下的含水饱和度不是实际的束缚水饱和度。对于中、高、孔渗储层，利用储层油水密度差所产生的浮力等于毛细管压力这一条件，在纯油层段转化成合适的储层驱替压力，在毛管压力曲线上读取此驱替压力下的含水饱和度即实际的束缚水饱和度。, authors=^{赵 毅1，胡 斌2，张路崎3，赵永昌4}, authorsList=赵 毅;胡 斌;张路崎;赵永昌, authorCompany=1. 中国石油大学（北京）资源与信息学院，北京 1022492. 中国石化集团江苏石油勘探局试采一厂输油一队，江苏江都 2252653. 中国石化集团江苏石油勘探局试采二厂开发所，江苏金湖 2116004. 中国石油集团测井有限公司华北事业部，河北任丘 062552, correspAuthors=null, authorNote=null, correspAuthorsNote=赵毅, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, 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