Article(id=1149769459658834877, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149769458706723113, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2405614, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1721923200000, receivedDateStr=2024-07-26, revisedDate=1740672000000, revisedDateStr=2025-02-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1752056000866, onlineDateStr=2025-07-09, pubDate=1747497600000, pubDateStr=2025-05-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752056000866, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752056000866, creator=13701087609, updateTime=1752056000866, updator=13701087609, issue=Issue{id=1149769458706723113, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='14', pageStart='5705', pageEnd='6154', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752056000638, creator=13701087609, updateTime=1768456798957, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218559392753041779, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149769458706723113, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218559392753041780, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149769458706723113, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=5823, endPage=5829, ext={EN=ArticleExt(id=1149769459830801343, articleId=1149769459658834877, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Evaluation of Plugging Performance and Production Enhancement Effect of Channeling Blocking Agents for Supercritical CO
2 Flooding, columnId=1156262729003422020, journalTitle=Science Technology and Engineering, columnName=Papers·Petroleum and Natural Gas Industry, runingTitle=null, highlight=null, articleAbstract=
CO2 flooding technology, recognized as a mature tertiary recovery method, is widely applied in complex small fault-block oilfields with strong heterogeneity. However, severe gas channeling is commonly observed during CO2 flooding. As a result, the improvement in oil displacement efficiency remains low, typically below 10%. To address this, effective methods were explored to enhance oil displacement efficiency. Foam profile control and plugging were utilized as key techniques to achieve this enhancement.In the experiment, the JS oilfield was used as an example. The foam performance of the gas-soluble foaming plugging agent G-CF4 and the water-soluble foaming plugging agent W-CF1 was compared. The plugging agent with better foam performance was selected. Its plugging ability and oil displacement efficiency were tested.The results show that under target reservoir conditions, the optimal foaming plugging agent is 0.25% G-CF4.Moreover, the greater the permeability difference within the core combination, the stronger the plugging effect of G-CF4 in high-permeability cores.For a core combination with a permeability difference of 88 mD, the resistance coefficient of high-permeability cores is 2.5 times higher than that of a core combination with a permeability difference of 50 mD. In the core combination with 88 mD permeability difference, G-CF4 can maintain the resistance coefficient of high permeability cores above 9.2.The injection of 0.25% G-CF4 solution for 0.3 PV, followed by CO2 flooding, improves oil displacement efficiency by 15% compared to CO2 flooding alone.This study provides laboratory evidence supporting the optimization of foaming plugging technology in the JS oilfield.
, correspAuthors=Shu-ting ZHAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Guang-dong ZHANG, Shu-ting ZHAO, Hao JING, Yun-fan WEN, Di-feng ZENG, Fan YANG), CN=ArticleExt(id=1149769498317734464, articleId=1149769459658834877, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=超临界CO
2驱用封窜剂的封堵性能及提采效果评价, columnId=1156262729603207500, journalTitle=科学技术与工程, columnName=论文·石油、天然气工业, runingTitle=null, highlight=null, articleAbstract=CO
2驱油技术作为成熟的三次采油技术,已经广泛在非均质性强的复杂小断块油田中应用。然而CO
2驱油气窜严重,导致驱油效率改善普遍低于10%。为此,通过泡沫调剖封堵,寻求提高CO
2驱油效率的方法。以JS油田为例,对比了气溶性封窜剂G-CF4与W-CF1水溶性封窜剂的泡沫性能,并测试了泡沫性能更佳的封窜剂的封堵性能及提采效果。结果表明,在目标储层条件下,最佳泡沫体系为0.25%的G-CF4。同时,岩心组合渗透率级差越大,G-CF4在高渗透率岩心中的封窜能力越强,88 mD级差中高渗透率岩心的阻力系数是50 mD级的2.5倍。在88 mD级差岩心组合中,G-CF4可将高渗透率岩心的阻力系数维持在9.2以上。先注入0.25%的G-CF4溶液0.3 PV,再通过CO
2驱油,可提高原CO
2驱油效率15%。研究结果为JS油田泡沫封堵技术的优化提供室内实验支持。, correspAuthors=赵淑婷, authorNote=null, correspAuthorsNote=
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张广东(1980—),男,汉族,辽宁朝阳人,博士,高级实验师,硕士研究生导师。研究方向:流体相态、油气田开发和提高采收率。E-mail:510012301@qq.com。
, authorsList=张广东, 赵淑婷, 敬豪, 温云帆, 曾第峰, 杨帆)}, authors=[Author(id=1172929989017219651, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=510012301@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1172929989105300037, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, authorId=1172929989017219651, language=EN, stringName=Guang-dong ZHANG, firstName=Guang-dong, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. College of Petroleum Engineering and Natural Gas, Southwest Petroleum University, Chengdu 610000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1172929989151437382, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, authorId=1172929989017219651, language=CN, stringName=张广东, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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张广东(1980—),男,汉族,辽宁朝阳人,博士,高级实验师,硕士研究生导师。研究方向:流体相态、油气田开发和提高采收率。E-mail:510012301@qq.com。
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张广东(1980—),男,汉族,辽宁朝阳人,博士,高级实验师,硕士研究生导师。研究方向:流体相态、油气田开发和提高采收率。E-mail:510012301@qq.com。
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Petroleum Geo-logy & Oilfield Development in Daqing,
2001,
20(2): 33-35., articleTitle=Foam stability and effecting factors of foam combination flooding, refAbstract=null)], funds=[Fund(id=1172929994146853516, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, awardId=U23B2085, language=CN, fundingSource=国家自然科学基金联合重点基金(U23B2085), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1172929988681675318, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, xref=null, ext=[AuthorCompanyExt(id=1172929988690063927, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988681675318, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. College of Petroleum Engineering and Natural Gas, Southwest Petroleum University, Chengdu 610000, China), AuthorCompanyExt(id=1172929988698452536, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988681675318, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1. 西南石油大学石油工程与天然气学院, 成都 610000)]), AuthorCompany(id=1172929988765561401, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, xref=null, ext=[AuthorCompanyExt(id=1172929988773950010, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988765561401, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. Research Institute of Natural Gas Technology, PetroChina Southwest Oil & Gas Field Company, Chengdu 610000, China), AuthorCompanyExt(id=1172929988782338619, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988765561401, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2. 中国石油西南油气田公司天然气研究院, 成都 610000)]), AuthorCompany(id=1172929988853641788, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, xref=null, ext=[AuthorCompanyExt(id=1172929988862030397, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988853641788, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3. PetroChina Exploration Development Institute, Changqing Oilfield Company, Xi'an 710000, China), AuthorCompanyExt(id=1172929988870419006, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988853641788, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=3. 长庆油田公司勘探开发研究院苏里格气田开发研究所, 西安 710000)]), AuthorCompany(id=1172929988937527871, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, xref=null, ext=[AuthorCompanyExt(id=1172929988954305088, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988937527871, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4. The Third Gas Production Plant of Changqing Oilfield Company, Changqing Oilfield Company, Erdos 017000, China), AuthorCompanyExt(id=1172929988962693697, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, companyId=1172929988937527871, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=4. 长庆油田公司第三采气厂, 鄂尔多斯 017000)])], figs=[ArticleFig(id=1172929991407972970, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.1, caption=
Half-life foam height of different plugging agents at different pressures, figureFileSmall=/8lY/X2LIKZ61u5Jp85AXw==, figureFileBig=KB8oZQc9x83Stsu3wAK1ow==, tableContent=null), ArticleFig(id=1172929991475081835, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图1, caption=
不同封窜剂在不同压力下的半衰期泡沫高度, figureFileSmall=/8lY/X2LIKZ61u5Jp85AXw==, figureFileBig=KB8oZQc9x83Stsu3wAK1ow==, tableContent=null), ArticleFig(id=1172929991554773612, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.2, caption=
Foam drainage half-life of different plugging agents at different pressures, figureFileSmall=4b+yD7Lzmu+8bx6jkIL4ww==, figureFileBig=0uFJMGCaDYfKgSF1l5GtzA==, tableContent=null), ArticleFig(id=1172929991676408429, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图2, caption=
不同封窜剂在不同压力下的析液半衰期, figureFileSmall=4b+yD7Lzmu+8bx6jkIL4ww==, figureFileBig=0uFJMGCaDYfKgSF1l5GtzA==, tableContent=null), ArticleFig(id=1172929991772877422, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.3, caption=
FCI of different plugging agents at different pressures, figureFileSmall=FECDxJouqlVF1IXL0Mg8zw==, figureFileBig=cPqsGGxbE5jsrOar9spRLw==, tableContent=null), ArticleFig(id=1172929991827403375, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图3, caption=
不同封窜剂在不同压力下的FCI, figureFileSmall=FECDxJouqlVF1IXL0Mg8zw==, figureFileBig=cPqsGGxbE5jsrOar9spRLw==, tableContent=null), ArticleFig(id=1172929991898706544, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.4, caption=
Half-life foam height of different plugging agents at various concentrations, figureFileSmall=U7+bCzDnBdS7u4lC/X3QjA==, figureFileBig=EBr5MPzlA6dDoKLnriHy6Q==, tableContent=null), ArticleFig(id=1172929991970009713, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图4, caption=
不同浓度下的不同封窜剂半衰期泡沫高度, figureFileSmall=U7+bCzDnBdS7u4lC/X3QjA==, figureFileBig=EBr5MPzlA6dDoKLnriHy6Q==, tableContent=null), ArticleFig(id=1172929992016147058, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.5, caption=
Foam drainage half-life of different plugging agents at various concentrations, figureFileSmall=+yy0Fo65CEDtXwXtvffQLQ==, figureFileBig=jBh6Cx//DvenGGgrjGeumg==, tableContent=null), ArticleFig(id=1172929992079061619, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图5, caption=
不同浓度下的不同封窜剂析液半衰期, figureFileSmall=+yy0Fo65CEDtXwXtvffQLQ==, figureFileBig=jBh6Cx//DvenGGgrjGeumg==, tableContent=null), ArticleFig(id=1172929992167142004, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.6, caption=
FCI of different plugging agents at various concentrations, figureFileSmall=ZKMtXeEBsqUbjNQWr4sEDQ==, figureFileBig=DgV3+BcR6DcgY6LKPyjkag==, tableContent=null), ArticleFig(id=1172929992225862261, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图6, caption=
不同浓度下的不同封窜剂的FCI, figureFileSmall=ZKMtXeEBsqUbjNQWr4sEDQ==, figureFileBig=DgV3+BcR6DcgY6LKPyjkag==, tableContent=null), ArticleFig(id=1172929992330719862, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.7, caption=
Flowchart of plugging agent absorption experiment, figureFileSmall=ZuJZSzQX64X2ea8QqX3UoQ==, figureFileBig=1KWiO3zvh11ggpdMQvQIuQ==, tableContent=null), ArticleFig(id=1172929992418800247, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图7, caption=
封窜剂吸入量实验流程图, figureFileSmall=ZuJZSzQX64X2ea8QqX3UoQ==, figureFileBig=1KWiO3zvh11ggpdMQvQIuQ==, tableContent=null), ArticleFig(id=1172929992536240760, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.8, caption=
The impact of permeability difference on plugging agent absorption in high and low permeability cores, figureFileSmall=sC+7QqhoGDF7bV2olSbBxQ==, figureFileBig=kneU1uG4/0BIWsiw+TC7TA==, tableContent=null), ArticleFig(id=1172929992641098361, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图8, caption=
渗透率级差对高低渗岩心封窜剂吸入量的影响, figureFileSmall=sC+7QqhoGDF7bV2olSbBxQ==, figureFileBig=kneU1uG4/0BIWsiw+TC7TA==, tableContent=null), ArticleFig(id=1172929992708207226, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.9, caption=
The impact of permeability gradient on split ratio in high and low permeability cores, figureFileSmall=/tycf/y7v7L0WbCq/nVwvw==, figureFileBig=CeeljooNmDznqEyG7NTmiQ==, tableContent=null), ArticleFig(id=1172929992758538875, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图9, caption=
渗透率级差对高低渗岩心封窜剂分流比的影响, figureFileSmall=/tycf/y7v7L0WbCq/nVwvw==, figureFileBig=CeeljooNmDznqEyG7NTmiQ==, tableContent=null), ArticleFig(id=1172929992846619260, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.10, caption=
Plugging performance of plugging agent in 10~60 mD core combinations, figureFileSmall=qS76ZSs0b99ia0/BjyTNkg==, figureFileBig=f1/J8kY9lI+Du8wLZZZ1dw==, tableContent=null), ArticleFig(id=1172929992896950909, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图10, caption=
封窜剂在10~60 mD岩心组合中的封窜性能, figureFileSmall=qS76ZSs0b99ia0/BjyTNkg==, figureFileBig=f1/J8kY9lI+Du8wLZZZ1dw==, tableContent=null), ArticleFig(id=1172929992947282558, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Fig.11, caption=
Plugging performance of plugging agent in 10~100 mD core combinations, figureFileSmall=sHXtyO8QHlfyMkckeUzuYg==, figureFileBig=ZOjYfUMtqq4j4sNMU5JE9Q==, tableContent=null), ArticleFig(id=1172929993068917375, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=图11, caption=
封窜剂在10~100 mD岩心组合中的封窜性能, figureFileSmall=sHXtyO8QHlfyMkckeUzuYg==, figureFileBig=ZOjYfUMtqq4j4sNMU5JE9Q==, tableContent=null), ArticleFig(id=1172929993190552192, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 1, caption=
Core properties
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 孔隙度/% | 渗透率/mD |
| JS2 | 14.9 | 10 |
| JS96 | 17.1 | 60 |
| JS33 | 25.13 | 98 |
| JS6 | 14.6 | 13 |
| JS65 | 18.1 | 122 |
| JS1-2 | 18.12 | 122 |
| JS2 | 14.9 | 10 |
), ArticleFig(id=1172929993236689537, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表1, caption=
实验岩心基础参数表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 孔隙度/% | 渗透率/mD |
| JS2 | 14.9 | 10 |
| JS96 | 17.1 | 60 |
| JS33 | 25.13 | 98 |
| JS6 | 14.6 | 13 |
| JS65 | 18.1 | 122 |
| JS1-2 | 18.12 | 122 |
| JS2 | 14.9 | 10 |
), ArticleFig(id=1172929993303798402, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 2, caption=
Foam performance of plugging agents in a supercritical CO2 environment
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 最大泡沫高/ cm | 析液半衰期/ min | FCI/ (cm·min) |
| W-CF1 | 42.7 | 93 | 2 978 |
| G-CF4 | 39.5 | 199 | 5 895 |
), ArticleFig(id=1172929993391878787, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表2, caption=
封窜剂在超临界CO2环境中的泡沫性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 最大泡沫高/ cm | 析液半衰期/ min | FCI/ (cm·min) |
| W-CF1 | 42.7 | 93 | 2 978 |
| G-CF4 | 39.5 | 199 | 5 895 |
), ArticleFig(id=1172929993458987652, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 3, caption=
Foam performance of different plugging agents at various temperature
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 温度/ ℃ | 最大泡沫 高度/cm | 泡沫半衰期/ min | FCI/ (cm·min) |
| G-CF4 | 20 | 17 | 150 | 1 913 |
| 50 | 24.96 | 31.5 | 590 |
| W-CF1 | 20 | 16.6 | 170 | 2 117 |
| 50 | 13.75 | 21 | 217 |
), ArticleFig(id=1172929993521902213, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表3, caption=
不同封窜剂在不同温度下的泡沫性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 型号 | 温度/ ℃ | 最大泡沫 高度/cm | 泡沫半衰期/ min | FCI/ (cm·min) |
| G-CF4 | 20 | 17 | 150 | 1 913 |
| 50 | 24.96 | 31.5 | 590 |
| W-CF1 | 20 | 16.6 | 170 | 2 117 |
| 50 | 13.75 | 21 | 217 |
), ArticleFig(id=1172929993635148422, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 4, caption=
Core combination table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 渗透率/mD | 级差/mD |
| JS2 | 10 | 50 |
| JS96 | 60 |
| JS33 | 98 | 38 |
| JS96 | 60 |
| JS6 | 13 | 109 |
| JS65 | 122 |
), ArticleFig(id=1172929993735811719, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表4, caption=
岩心组合表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 渗透率/mD | 级差/mD |
| JS2 | 10 | 50 |
| JS96 | 60 |
| JS33 | 98 | 38 |
| JS96 | 60 |
| JS6 | 13 | 109 |
| JS65 | 122 |
), ArticleFig(id=1172929993798726280, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 5, caption=
Core combination table
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 渗透率/mD | 级差/mD |
| JS2 | 10 | 50 |
| JS96 | 60 |
| JS33 | 98 | 88 |
| JS2 | 10 |
), ArticleFig(id=1172929993861640841, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表5, caption=
岩心组合表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 岩心编号 | 渗透率/mD | 级差/mD |
| JS2 | 10 | 50 |
| JS96 | 60 |
| JS33 | 98 | 88 |
| JS2 | 10 |
), ArticleFig(id=1172929993937138314, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=EN, label=Table 6, caption=
Oil displacement efficiency of plugging agent under different injection slug sizes
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验结果 | 不同段塞下的驱油效率/% |
| 0.1 PV | 0.2 PV | 0.3 PV | 0.4 PV |
| 用封窜剂后CO2驱驱油效率/% | 79.29 | 82.86 | 86.43 | 87.86 |
封窜剂对CO2驱油效率的 提升效果/% | 7.86 | 11.43 | 15.00 | 16.43 |
), ArticleFig(id=1172929994000052875, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149769459658834877, language=CN, label=表6, caption=
封窜剂在不同注入段塞下的驱油效率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 实验结果 | 不同段塞下的驱油效率/% |
| 0.1 PV | 0.2 PV | 0.3 PV | 0.4 PV |
| 用封窜剂后CO2驱驱油效率/% | 79.29 | 82.86 | 86.43 | 87.86 |
封窜剂对CO2驱油效率的 提升效果/% | 7.86 | 11.43 | 15.00 | 16.43 |
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