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To mitigate the risk of annular pressure buildup caused by solid-phase deposition in the B and C annuli of deep-water wells, experimental tests were conducted on sedimentation behavior using common deep-water drilling fluid systems. The sedimentation height and post-settling solid-phase permeability of various drilling fluids were measured. Based on the parameters of solid phase percolation characteristics, and considering the impact of annular fluid solid deposition, a predictive analytical method was established for annular pressure under percolation conditions. Case analysis was conducted to validate the approach. Results show that the sedimentation height follows the order: oil-based drilling fluid > EZFLOW drilling fluid > HEM drilling fluid. In contrast, the post-settling solid-phase permeability is ranked as EZFLOW drilling fluid > HEM drilling fluid > oil-based drilling fluid, with a maximum permeability of 2.216 μm2. Under annular fluid solid-phase deposition conditions, reductions in annular fluid viscosity, increases in formation permeability, and longer open-hole cement sheath sections reduce fluid viscous resistance, enlarge the seepage contact area with the formation, and enhance fluid flow. Therefore, reducing drilling fluid viscosity and extending the open-hole cement sheath length can improve the pressure release capacity in the B and C annuli of deep-water wells. However, the presence of solid-phase deposition significantly restricts seepage flow rates compared to conditions without deposition, leading to a potential risk of incomplete pressure relief following solid-phase sedimentation.
, correspAuthors=Jian DING, 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=Yi WU, Xing-quan ZHANG, Tian-wei ZHANG, Zhi ZHANG, Jian DING), CN=ArticleExt(id=1261262701808988580, articleId=1261262690643751249, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=南海深水井环空固相沉积下渗流环空带压预测方法, 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=
针对深水井B、C环空流体固相沉积下环空泄压通道堵塞风险,开展常见深水钻井液体系固相沉积测试,获得不同钻井液体系固相沉降高度及沉降后固相渗流特性,并基于固相渗流特性参数,考虑环空流体固相沉积影响,建立渗流作用下环空带压预测分析方法,并开展实例分析。结果表明:沉降高度油基钻井液>EZFLOW钻井液>HEM钻井液,沉降后固相渗透率EZFLOW钻井液>HEM钻井液>油基钻井液,渗透率最高达到2.216 μm2,在环空流体固相沉积条件下,随环空流体黏度降低及地层渗透率、裸眼段长度增加,流体流动黏性力降低,且与地层接触渗流面积增大,环空流体渗流量增大,降低钻井液流体黏度、提高水泥环裸眼段长度可以提高深水井B、C环空压力释放能力,但由于固相沉积影响,其渗流流量远小于无固相沉积条件下环空压力降低速度,且固相沉降后存在无法泄压的风险。
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, authorsList=吴怡, 张兴全, 张天玮, 张智, 丁剑)}, authors=[Author(id=1261262706296893923, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=wuyi_smile@sina.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1261262708440183284, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262706296893923, language=EN, stringName=Yi WU, firstName=Yi, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China
2 National Key Laboratory of Offshore Oil and Gas Exploitation, Beijing 100000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1261262709027385856, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262706296893923, language=CN, stringName=吴怡, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 中海石油(中国)有限公司北京研究中心, 北京 100000
2 海洋油气高效开发全国重点实验室, 北京 100000, bio={"content":"
吴怡(1987—),男,汉族,江苏宿迁人,硕士,高级工程师。研究方向:海洋钻井工程。E-mail:wuyi_smile@sina.com。
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吴怡(1987—),男,汉族,江苏宿迁人,硕士,高级工程师。研究方向:海洋钻井工程。E-mail:wuyi_smile@sina.com。
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1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China
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1 中海石油(中国)有限公司北京研究中心, 北京 100000
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1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China), AuthorCompanyExt(id=1261262703264412083, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262703214080431, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中海石油(中国)有限公司北京研究中心, 北京 100000)]), AuthorCompany(id=1261262704120050109, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=2, ext=[AuthorCompanyExt(id=1261262704141021630, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262704120050109, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Key Laboratory of Offshore Oil and Gas Exploitation, Beijing 100000, China), AuthorCompanyExt(id=1261262704325571008, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262704120050109, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 海洋油气高效开发全国重点实验室, 北京 100000)])]), Author(id=1261262713649508912, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1261262714719056447, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262713649508912, language=EN, stringName=Tian-wei ZHANG, firstName=Tian-wei, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China
2 National Key Laboratory of Offshore Oil and Gas Exploitation, Beijing 100000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1261262715373367875, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262713649508912, language=CN, stringName=张天玮, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1 中海石油(中国)有限公司北京研究中心, 北京 100000
2 海洋油气高效开发全国重点实验室, 北京 100000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1261262703214080431, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=1, ext=[AuthorCompanyExt(id=1261262703243440560, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262703214080431, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China), AuthorCompanyExt(id=1261262703264412083, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262703214080431, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中海石油(中国)有限公司北京研究中心, 北京 100000)]), AuthorCompany(id=1261262704120050109, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=2, ext=[AuthorCompanyExt(id=1261262704141021630, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262704120050109, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 海洋油气高效开发全国重点实验室, 北京 100000)])]), Author(id=1261262717550211660, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1261262718384878169, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262717550211660, language=EN, stringName=Zhi ZHANG, firstName=Zhi, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3 State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University, Chengdu 610500, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1261262719169213025, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262717550211660, language=CN, stringName=张智, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3 西南石油大学油气藏地质及开发工程国家重点实验室, 成都 610500, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1261262705076351433, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=3, ext=[AuthorCompanyExt(id=1261262705265095115, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University, Chengdu 610500, China), AuthorCompanyExt(id=1261262705298649548, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 西南石油大学油气藏地质及开发工程国家重点实验室, 成都 610500)])]), Author(id=1261262720050016876, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=swpu_dj@163.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1261262722113614464, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262720050016876, language=EN, stringName=Jian DING, firstName=Jian, middleName=null, lastName=DING, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3 State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University, Chengdu 610500, China
4 School of Mechanical Engineering, Southwest Petroleum University, Chengdu 610500, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1261262722889560713, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, authorId=1261262720050016876, language=CN, stringName=丁剑, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3 西南石油大学油气藏地质及开发工程国家重点实验室, 成都 610500
4 西南石油大学机电工程学院, 成都 610500, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1261262705076351433, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=3, ext=[AuthorCompanyExt(id=1261262705265095115, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University, Chengdu 610500, China), AuthorCompanyExt(id=1261262705298649548, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 西南石油大学油气藏地质及开发工程国家重点实验室, 成都 610500)]), AuthorCompany(id=1261262705864880598, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=4, ext=[AuthorCompanyExt(id=1261262705927795160, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705864880598, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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193: 110991., articleTitle=Prediction of annulus liquid level depth in high-temperature and high-pressure gas wells based on sustained casing pressure, refAbstract=null)], funds=[Fund(id=1261262745689797446, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, awardId=U22A20164, language=CN, fundingSource=国家自然科学基金(U22A20164), fundOrder=null, country=null), Fund(id=1261262746092450635, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, awardId=52074234, language=CN, fundingSource=国家自然科学基金(52074234), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1261262703214080431, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=1, ext=[AuthorCompanyExt(id=1261262703243440560, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262703214080431, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 CNOOC (China) Co., Ltd. Beijing Research Center, Beijing 100000, China), AuthorCompanyExt(id=1261262703264412083, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262703214080431, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 中海石油(中国)有限公司北京研究中心, 北京 100000)]), AuthorCompany(id=1261262704120050109, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=2, ext=[AuthorCompanyExt(id=1261262704141021630, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262704120050109, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 National Key Laboratory of Offshore Oil and Gas Exploitation, Beijing 100000, China), AuthorCompanyExt(id=1261262704325571008, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262704120050109, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 海洋油气高效开发全国重点实验室, 北京 100000)]), AuthorCompany(id=1261262705076351433, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=3, ext=[AuthorCompanyExt(id=1261262705265095115, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 State Key Laboratory of Oil and Gas Reservoir Geology and Development Engineering, Southwest Petroleum University, Chengdu 610500, China), AuthorCompanyExt(id=1261262705298649548, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705076351433, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 西南石油大学油气藏地质及开发工程国家重点实验室, 成都 610500)]), AuthorCompany(id=1261262705864880598, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, xref=4, ext=[AuthorCompanyExt(id=1261262705927795160, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705864880598, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 School of Mechanical Engineering, Southwest Petroleum University, Chengdu 610500, China), AuthorCompanyExt(id=1261262705940378073, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, companyId=1261262705864880598, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 西南石油大学机电工程学院, 成都 610500)])], figs=[ArticleFig(id=1261262735262757590, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.1, caption=
Schematic diagram of core permeability test device, figureFileSmall=PBayFZQLNqXvnttakgqbkQ==, figureFileBig=XLBXFWIiJkzVh2aOk+15CA==, tableContent=null), ArticleFig(id=1261262735803822813, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图1, caption=
岩心渗透率测试装置示意图, figureFileSmall=PBayFZQLNqXvnttakgqbkQ==, figureFileBig=XLBXFWIiJkzVh2aOk+15CA==, tableContent=null), ArticleFig(id=1261262737095668462, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.2, caption=
Core permeability of solid sediments in different drilling fluid systems, figureFileSmall=Cs0uUcZJMDoXJPlq+10t2g==, figureFileBig=5URmruPXg5CShYbWMT5nsw==, tableContent=null), ArticleFig(id=1261262737548653302, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图2, caption=
不同钻井液体系固相沉积物岩心渗透率, figureFileSmall=Cs0uUcZJMDoXJPlq+10t2g==, figureFileBig=5URmruPXg5CShYbWMT5nsw==, tableContent=null), ArticleFig(id=1261262737900974841, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.3, caption=
Temperature distribution in wellbore annulus, figureFileSmall=8q6fMRgFDGZiZ50IYgTCZA==, figureFileBig=eyFDJ4ouH5PXkTfsZHwjCQ==, tableContent=null), ArticleFig(id=1261262739641611009, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图3, caption=
井筒环空温度分布, figureFileSmall=8q6fMRgFDGZiZ50IYgTCZA==, figureFileBig=eyFDJ4ouH5PXkTfsZHwjCQ==, tableContent=null), ArticleFig(id=1261262739926823682, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.4, caption=
Annulus pressure changes under different considerations, figureFileSmall=b8943jpYuoaP/YWd30P4Yw==, figureFileBig=I6DyXTeJr29OYuu0AU8v9A==, tableContent=null), ArticleFig(id=1261262740161704713, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图4, caption=
不同考虑因素下环空压力变化, figureFileSmall=b8943jpYuoaP/YWd30P4Yw==, figureFileBig=I6DyXTeJr29OYuu0AU8v9A==, tableContent=null), ArticleFig(id=1261262740526609168, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.5, caption=
Variation of annulus pressure under different drilling fluid systems, figureFileSmall=JHGYEL+11RjfbHCUQpvtVw==, figureFileBig=E8EQY50XIEhU6O9h2cjZpA==, tableContent=null), ArticleFig(id=1261262741264806680, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图5, caption=
不同钻井液体系下环空压力变化, figureFileSmall=JHGYEL+11RjfbHCUQpvtVw==, figureFileBig=E8EQY50XIEhU6O9h2cjZpA==, tableContent=null), ArticleFig(id=1261262741478716189, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.6, caption=
Variation of annulus pressure under different formation permeability, figureFileSmall=k4Y+h/0rgbvQF/nMJZBXZA==, figureFileBig=xJU3tXhN0b4ixz+G7DaFJA==, tableContent=null), ArticleFig(id=1261262741797483296, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图6, caption=
不同地层渗透率下环空压力变化, figureFileSmall=k4Y+h/0rgbvQF/nMJZBXZA==, figureFileBig=xJU3tXhN0b4ixz+G7DaFJA==, tableContent=null), ArticleFig(id=1261262742086890275, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.7, caption=
Annulus pressure change under different annulus fluid viscosity, figureFileSmall=EmBtR3HYHWH8/8jZLpc0TA==, figureFileBig=1OwiskCrEjN4rci+z++L7A==, tableContent=null), ArticleFig(id=1261262742279828266, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图7, caption=
不同环空流体黏度下环空压力变化, figureFileSmall=EmBtR3HYHWH8/8jZLpc0TA==, figureFileBig=1OwiskCrEjN4rci+z++L7A==, tableContent=null), ArticleFig(id=1261262742476960558, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Fig.8, caption=
Variation of annular pressure under different open hole lengths, figureFileSmall=1shYMXeFA4CwvNwfJJak2g==, figureFileBig=wWQ5jbVzfZXJ/uX3Zsucog==, tableContent=null), ArticleFig(id=1261262744238568242, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=图8, caption=
不同裸眼长度下环空压力变化, figureFileSmall=1shYMXeFA4CwvNwfJJak2g==, figureFileBig=wWQ5jbVzfZXJ/uX3Zsucog==, tableContent=null), ArticleFig(id=1261262744624444215, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=EN, label=Table 3, caption=
Technical parameters of annulus string and fluid technical
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| B环空 | C环空 |
| 套管内径/mm | 339.7 | 508 |
| 套管外径/mm | 224.5 | 339.7 |
| 裸眼段长度/m | 250 | 350 |
| 钻井液密度/(g·m-3) | 1 300 | 1 500 |
| 钻井液黏度/(mPa·s) | 1.0 | 1.0 |
| 裸眼段地层压力/MPa | 49.26 | 19.88 |
), ArticleFig(id=1261262745245201213, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1261262690643751249, language=CN, label=表3, caption=
环空管柱及流体技术参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 |
| B环空 | C环空 |
| 套管内径/mm | 339.7 | 508 |
| 套管外径/mm | 224.5 | 339.7 |
| 裸眼段长度/m | 250 | 350 |
| 钻井液密度/(g·m-3) | 1 300 | 1 500 |
| 钻井液黏度/(mPa·s) | 1.0 | 1.0 |
| 裸眼段地层压力/MPa | 49.26 | 19.88 |
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