Article(id=1312012744673555373, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012744182821805, 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=1764604800000, receivedDateStr=2025-12-02, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790737814348, onlineDateStr=2026-09-30, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790737814348, onlineIssueDateStr=2026-09-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790737814348, creator=13701087609, updateTime=1790737814348, updator=13701087609, issue=Issue{id=1312012744182821805, tenantId=1146029695717560320, journalId=1185652524569653253, year='2026', volume='52', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1771948800000', pubDateStr='2026-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790737814231, creator='13701087609', updateTime=1790737873684, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1312012993609691458, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012744182821805, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1312012993609691459, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012744182821805, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=6, ext={EN=ArticleExt(id=1312012744862299054, articleId=1312012744673555373, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Development of BT110V High-strength and High-ductility Casing for Deep Well of Oil and Gas Exploitation, columnId=1187100783049851249, journalTitle=Science & Technology of Baotou Steel, columnName=Expert Forum, runingTitle=null, highlight=null, articleAbstract=

In the paper, the chemical compositions of BT110V steel for high-strength and high-ductility casing are designed based on the problem that special casing for deep well of oil and gas exploitation is with high strength and low ductility by giving full play to the effects of alloying elements in steel. Moreover, the production process of BT110V high-strength and high-ductility casing is formulated with the existing production equipment of seamless steel pipe. The mechanical properties, hardenability and microstructure of trial-produced BT110V high-strength and high-ductility casing could all meet the technical requirements. For the BT110V high-strength and high-ductility casing with the specification of Φ193.68 mm×10.92 mm, failure strength caused by internal pressure is 58.6% higher than that of the technical requirement, failure strength caused by external pressure is 38.3% higher than that of the technical requirement and joint strength is 26.6% higher than that of the technical requirement. During the process of industrialized promotion and application, all indexes show good stability and the modifying effect of rare earth microalloying on inclusions is obvious.

, authors=Tao Jiang, Xiaoxia Shi, Jianyuan Li, Fei Zhan, Ge Song, authorsList=Tao Jiang, Xiaoxia Shi, Jianyuan Li, Fei Zhan, Ge Song, authorCompany=null, correspAuthors=null, 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, fund=null), CN=ArticleExt(id=1312012745113957295, articleId=1312012744673555373, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=油气开采深井用BT110V高强高韧套管开发, columnId=1185887584006844505, journalTitle=包钢科技, columnName=专家论坛, runingTitle=null, highlight=null, articleAbstract=

文章基于油气开采深井专用套管强度高、韧性低的痛点，充分发挥合金元素在钢中的作用，设计了BT110V高强高韧套管用钢化学成分。并利用现有无缝钢管生产装备，制定了BT110V高强高韧套管生产工艺。试制的BT110V高强高韧套管力学性能、淬透性及显微组织均达到了技术要求。规格为Φ193.68 mm×10.92 mm的BT110V高强高韧套管，内压致失效强度高于技术要求58.6%，外压致失效强度高于技术要求38.3%，连接强度高于技术要求26.6%。产业化推广应用过程中，各项指标均表现出良好的稳定性，稀土微合金化对夹杂物的改性作用明显。

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姜涛（1977-），男，硕士，高级工程师，现从事无缝钢管研发及质量攻关工作。

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姜涛（1977-），男，硕士，高级工程师，现从事无缝钢管研发及质量攻关工作。

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