Article(id=1242140722405646738, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1242140702436570024, articleNumber=null, orderNo=11, doi=10.3981/j.issn.1000-7857.2023.20.009, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665590400000, receivedDateStr=2022-10-13, revisedDate=1679328000000, revisedDateStr=2023-03-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1699249897020, onlineDateStr=2023-11-06, pubDate=1698422400000, pubDateStr=2023-10-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1699249897020, onlineIssueDateStr=2023-11-06, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1774079026077, creator=sys-migrate, updateTime=1774079026077, updator=sys-migrate, issue=Issue{id=1242140702436570024, tenantId=1146029695717560320, journalId=1146031591421210625, year='2023', volume='41', issue='20', pageStart='1', pageEnd='112', issueExtLink='null', onlineDate='null', pubDate='1698422400000', pubDateStr='2023-10-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=3, issueType=-1, specialIssue=null, createTime=1774079021316, creator='sys-migrate', updateTime=1774079021316, updator='sys-migrate', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=79, endPage=88, ext={EN=ArticleExt(id=1242140728923598886, articleId=1242140722405646738, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Fracturing technology development status and high efficiency fracturing technology on normal hydrostatic pressure shale gas, columnId=1242116810380743325, journalTitle=Science & Technology Review, columnName=Reviews, runingTitle=null, highlight=null, articleAbstract=In view of the problems of poor development effect, unclear understanding of multi-cluster fracturing equilibrium expansion control and temporary plugging mechanism, and low-cost and high-efficiency fracturing technology system that has not yet been formed in the economic development of normal hydrostatic pressure shale gas，and based on reservoir characteristics and technology development status, low-cost and high-efficiency fracturing technology countermeasures for normal hydrostatic pressure gas are carried out. The results present that low cost, dense clusters, multi-stage temporary plugging, high-strength continuous pumping sand and increasing ESRV are the directions for continuous optimization of high-efficiency fracturing technology for normal hydrostatic pressure shale gas. Optimizing fracturing cost composition and applying new technologies are effective ways to reduce costs and enhancing production. The cluster spacing has a great influence on the fracturing effect, and the recommended range is 5-10 m. Plugging in the middle and early stage and increasing the plugging times can improve the temporary plugging effect. The higher the stress difference, the more times the temporary plugging is required to increase SRV. To improve the plugging effect, the beneficial time for plugging agent injection is in the middle of the construction for reservoirs with natural fractures density more than 0.5 fracture/m, while the beneficial time is in the early stage of construction for reservoirs with natural fractures density less than 0.5 fracture/m. Temporary plugging agent with particle size smaller than 40/70 mesh, fracturing fluid with viscosity greater than 12mPa·s, and pumping rate greater than 12m^³/min with volume fraction less than 0.1 can enhance plugging fracturing effect. The quartz sand combination of 140/200 mesh (10%) + 70/140 mesh (30%) + 40/70 mesh (60%) and the ratio of sand and liquid greater than 7% are recommended to reduce the cost and to increase the production., authors=LIU Hu¹, ZUO Luo^2,3*, YIN Decan¹, JIANG Tingxue^2,3, DUAN Hua¹, WANG Haitao^2,3, authorsList=LIU Hu, ZUO Luo, YIN Decan, JIANG Tingxue, DUAN Hua, WANG Haitao, authorCompany=1. Sinopec Exploration Company, Chengdu 610041, China
2. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 102206, China
3. SINOPEC Research Institute of Petroleum Engineering Co., Ltd., Beijing 102206, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=MJKzWsPThe+ZzKXmBAY80Q==, pdfFileSize=3810287, 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=1242140726490902560, articleId=1242140722405646738, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=常压页岩气压裂技术现状及高效压裂技术对策, columnId=1242134377686180284, journalTitle=科技导报, columnName=综述, runingTitle=null, highlight=null, articleAbstract=针对常压页岩气经济开发面临的压裂改造效果差、多簇均衡扩展控制及配套暂堵机制认识不清、低成本高效压裂技术体系尚未形成等问题，基于常压页岩气储层特征及压裂技术现状开展常压页岩气低成本高效压裂技术对策的研究。研究认为低成本、密切割、多级暂堵、高强度连续加砂及提高有效改造体积是常压页岩气高效压裂需持续优化的重要方向；优化压裂费用构成及采用新工艺、新方法是降本增效的有效途径，其中多级固井滑套压裂技术很可能是有效途径之一；簇间距对压裂效果影响较大，推荐范围为5~10 m；提高暂堵球数量、暂堵次数及采取中前期投球暂堵可提高缝口暂堵效果；应力差越高所需要的缝内暂堵次数越多；天然裂缝密度>0.5条/m时，施工中期加入暂堵剂，天然裂缝密度<0.5条/m时，施工前期加入暂堵剂对提高缝内暂堵效果有利；采用粒径小于40/70目的暂堵剂，用黏度大于12 mPa·s的压裂液在 12 m^³/min 及以上的排量以小于0.1的体积分数进行投放可以增强缝内暂堵效果；采用140/200目（10%）+70/140目（30%）+ 40/70目（60%）的石英砂组合及7%的综合砂液比既能保证导流能力需求又利于降本。, authors=刘虎¹，左罗^2,3*，尹德灿¹，蒋廷学^2,3，段华¹，王海涛^2,3, authorsList=刘虎，左罗，尹德灿，蒋廷学，段华，王海涛, authorCompany=1. 中国石油化工股份有限公司勘探分公司，成都 610041
2. 页岩油气富集机理与有效开发国家重点实验室，北京 102206
3. 中石化石油工程技术研究院有限公司，北京 102206, correspAuthors=null, authorNote=刘虎，高级工程师，研究方向为油气勘探工程，电子信箱：liuh.ktnf@sinopec.com, correspAuthorsNote=左罗（通信作者），副研究员，研究方向为非常规油气开发，电子信箱：zuoluoxingfeng@163.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=z22WotZEQb0pvUngk8abRw==, pdfFileSize=3810287, 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=国家自然科学基金项目（12172362）)}, authors=null, keywords=[Keyword(id=1242140725735924133, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242140722405646738, language=CN, orderNo=1, keyword=页岩), Keyword(id=1242140725811421606, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1242140722405646738, language=CN, orderNo=1, keyword=常压页岩气), Keyword(id=1242140725895307687, 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