Article(id=1242120528648016699, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242120519928058647, 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=1274112000000, receivedDateStr=2010-05-18, revisedDate=1280246400000, revisedDateStr=2010-07-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1284307200000, onlineDateStr=2010-09-13, pubDate=1284307200000, pubDateStr=2010-09-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1284307200000, onlineIssueDateStr=2010-09-13, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774074211509, creator=sys-migrate, updateTime=1774074211509, updator=sys-migrate, issue=Issue{id=1242120519928058647, tenantId=1146029695717560320, journalId=1146031591421210625, year='2010', volume='28', issue='17', pageStart='3', pageEnd='140', issueExtLink='null', onlineDate='null', pubDate='1284307200000', pubDateStr='2010-09-13', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774074209431, creator='sys-migrate', updateTime=1774074209431, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=63, endPage=66, ext={EN=ArticleExt(id=1242120532884263757, articleId=1242120528648016699, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Investigation of the Punch-through in Jack-up Rigs, columnId=1242116080374710456, journalTitle=Science & Technology Review, columnName=Articles, runingTitle=null, highlight=null, articleAbstract=Jack-up rigs are widely used in offshore oil and marginal oil field development. According to statistics, punch-through accidents account for more than 50% of jack-up rigs' accidents, leading often to serious damages of the jack-up rigs and casualties. Taking the Arab drill 19 jack-up and a Chinese jack-up as examples, the causes of the accidents and the seriousness of consequences are analyzed. The projected area method is used to study the possibility of punch-through for a domestic jack-up at a well site in Bohai Bay. It is found that the punch-through risk at the well site is high. The calculated penetration depth does not agree very well with the actual operational record, with a great error, which is analyzed in this paper based on new research results of punch-through. It is shown that during punch-through in a jack-up rig, a sand plug will be formed under the spudcan of the jack-up rig, which increases the ultimate bearing capacity of soil, and reduces the actual depth., authors=null, authorsList=null, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=bing dai, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=gAdLhAr2VuX66wVa9Cd2Lw==, pdfFileSize=1164163, 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=1242120532053787368, articleId=1242120528648016699, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=自升式钻井平台穿刺分析, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=自升式钻井平台是近海石油和边际油田开发的重要设备。据统计，穿刺事故占自升式钻井平台总事故的比例超过了50%，造成平台严重损坏和人员伤亡。以Arab drill 19自升式钻井平台和中国某自升式钻井平台的穿刺事故为例，分析穿刺事故发生的原因，说明穿刺事故的危害。采用投影面积法，分析了中国某自升式钻井平台在渤海某井位发生穿刺事故的可能性，结果表明，该平台存在较大的穿刺风险，并预测了穿刺后的插桩深度。对比平台实际插桩深度，预测结果存在较大误差。结合穿刺研究的最新成果，分析两者存在误差的原因：实际插桩过程中，桩靴底部将形成砂土塞，该砂土塞会极大地提高土体的极限承载能力，导致实际插桩深度比预测插桩深度浅。, authors=^{戴 兵1，段梦兰1，宋林松2，董 楠1}, authorsList=戴 兵;段梦兰;宋林松;董 楠, authorCompany=1. 中国石油大学（北京）海洋油气研究中心，北京 1022492. 中海油田服务股份有限公司，北京 101149, correspAuthors=null, authorNote=null, correspAuthorsNote=戴兵, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=AD0khSJa6ruhsWLNGMU1Cg==, pdfFileSize=1164163, 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)}, authors=[Author(id=1278828834095075486, tenantId=1146029695717560320, 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