Article(id=1149670641139364539, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, articleNumber=1671-1807(2025)10-0111-07, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1728403200000, receivedDateStr=2024-10-09, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752032440694, onlineDateStr=2025-07-09, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752032440694, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752032440694, creator=13701087609, updateTime=1752032440694, updator=13701087609, issue=Issue{id=1149670639897854094, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='10', pageStart='1', pageEnd='377', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752032440399, creator=13701087609, updateTime=1756780756355, updator=15831073675, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169586520596947842, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169586520596947843, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=111, endPage=117, ext={EN=ArticleExt(id=1151877660155670569, articleId=1149670641139364539, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Application and Practice of Reservoir Water Blocking Prevention Technologies in Tight Sandstone Gas Reservoirs in the Southern Margin of Ordos, columnId=1151877659354558495, journalTitle=Science Technology and Industry, columnName=Regional Practice, runingTitle=null, highlight=null, articleAbstract=
Water blocking damage is a common issue in the development of tight sandstone gas reservoirs, significantly impacting gas well production and reservoir recovery rates. Taking the gas reservoirs in the southern margin of Ordos as an example, the degree of water blocking damage in the gas reservoirs was analyzed, the typical production characteristics of gas wells with water blocking damage in tight gas reservoirs was discussed, and technologies were proposed for the prevention and treatment of reservoir water blocking. The research results indicate that the gas reservoirs in the southern margin of Ordos experience moderate to strong water blocking damage. After water blocking, gas wells exhibit production characteristics such as insignificant production increase after fracturing, inability to restore production after reopening the well following shutdown, and limited effectiveness of wellbore drainage measures. To effectively prevent and treat water blocking damage, comprehensive prevention and treatment methods are proposed, including the use of small-diameter coiled tubing to avoid premature fluid accumulation in gas wells, maintaining continuous and stable production, and implementing physicochemical processes to eliminate water blocking damage. Field test results demonstrate that the integrated application of these methods can effectively prevent and eliminate water blocking damage, thereby restoring gas well production.
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致密砂岩气藏在开发过程中水锁伤害是一个普遍存在的问题,对气井产量和气藏采收率具有严重影响。以鄂尔多斯南缘气藏为例,深入分析了气藏水锁伤害程度,探讨了致密气藏水锁伤害气井的典型生产特征,提出了创新的储层水锁防治工艺,包括使用小尺寸连续油管和保持连续稳定生产等物理措施避免气井过早发生水锁伤害。对于已发生水锁伤害的气井,提出使用了表面活性剂和润湿改性剂作为解水锁剂的重要组成,并用邻井气作为气源进行增压注入的方法,以确保解水锁剂能够快速有效地注入储层并发挥作用。研究结果表明,鄂尔多斯南缘气藏存在中等偏强-强水锁伤害情况,水锁后气井表现出压裂后增产效果不明显、关井后再次开井产量无法恢复以及井筒排液等措施效果有限等生产特征。综合应用这些方法可以有效防止和解除水锁伤害,现场试验效果明显。
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卫颖菲(1988—),女,陕西韩城人,硕士,工程师,研究方向为油气田勘探开发及完井压裂技术;
李明(1980—),男,黑龙江安达人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
柏险峰(1972—),陕西西安人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
王军峰(1987—),男,陕西榆林人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
曹永波(1984—),男,陕西榆林人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
高振国(1999—),男,甘肃平凉人,工程师,研究方向为油气田勘探开发及完井压裂技术。
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1, address=1. Schlumberger Changhe Oilfield Engineering Co. Ltd., Xi’an 710021, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173760493503376, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173760346702733, language=CN, stringName=卫颖菲, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. 斯伦贝谢长和油田工程有限公司, 西安 710021, bio={"content":"
卫颖菲(1988—),女,陕西韩城人,硕士,工程师,研究方向为油气田勘探开发及完井压裂技术;
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卫颖菲(1988—),女,陕西韩城人,硕士,工程师,研究方向为油气田勘探开发及完井压裂技术;
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1, address=1. Schlumberger Changhe Oilfield Engineering Co. Ltd., Xi’an 710021, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173760703218581, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173760564806546, language=CN, stringName=李明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. 斯伦贝谢长和油田工程有限公司, 西安 710021, bio={"content":"
李明(1980—),男,黑龙江安达人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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李明(1980—),男,黑龙江安达人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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1, 2, address=1. Schlumberger Changhe Oilfield Engineering Co. Ltd., Xi’an 710021, China
2. Schlumberger Technoloty Services(Chengdu) Co. Ltd., Chengdu 610012, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173760921322395, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173760766133143, language=CN, stringName=柏险峰, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=1. 斯伦贝谢长和油田工程有限公司, 西安 710021
2. 斯伦贝谢科技服务(成都)有限公司, 成都 610012, bio={"content":"
柏险峰(1972—),陕西西安人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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柏险峰(1972—),陕西西安人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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1, address=1. Schlumberger Changhe Oilfield Engineering Co. Ltd., Xi’an 710021, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173761135231904, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173761001014173, language=CN, stringName=王军峰, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. 斯伦贝谢长和油田工程有限公司, 西安 710021, bio={"content":"
王军峰(1987—),男,陕西榆林人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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王军峰(1987—),男,陕西榆林人,硕士,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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3, address=3. Shaanxi Yanchang Petroleum(Group) Co. Ltd., Yan’an 716003, Shaanxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173761298809765, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173761189757858, language=CN, stringName=曹永波, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=3. 陕西延长石油(集团)有限责任公司, 陕西 延安 716003, bio={"content":"
曹永波(1984—),男,陕西榆林人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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曹永波(1984—),男,陕西榆林人,高级工程师,研究方向为油气田勘探开发及完井压裂技术;
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1, address=1. Schlumberger Changhe Oilfield Engineering Co. Ltd., Xi’an 710021, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173761479164842, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, authorId=1173173761357530023, language=CN, stringName=高振国, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. 斯伦贝谢长和油田工程有限公司, 西安 710021, bio={"content":"
高振国(1999—),男,甘肃平凉人,工程师,研究方向为油气田勘探开发及完井压裂技术。
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高振国(1999—),男,甘肃平凉人,工程师,研究方向为油气田勘探开发及完井压裂技术。
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延X0井实施注气+气举复产工艺前后油套压力变化曲线, figureFileSmall=L1mv/tjI9hIEOd+MfhPI+A==, figureFileBig=iRcegnNMvb9FPMpaMrX+qA==, tableContent=null), ArticleFig(id=1173173762720678843, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=96mIRzzGVpuuBagDDt+Pkg==, figureFileBig=G/7mk2/ZXvPsFk0MR24Puw==, tableContent=null), ArticleFig(id=1173173762808759228, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=图5, caption=
延X0井实施注气+气举复产工艺前后生产曲线, figureFileSmall=96mIRzzGVpuuBagDDt+Pkg==, figureFileBig=G/7mk2/ZXvPsFk0MR24Puw==, tableContent=null), ArticleFig(id=1173173762871673789, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=1ioVUS39gYysh1nWY1ApBA==, figureFileBig=1ttHCwoeeGENrC/qjCLcPg==, tableContent=null), ArticleFig(id=1173173762930394046, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=图6, caption=
岩石经润湿改性后的表面接触角, figureFileSmall=1ioVUS39gYysh1nWY1ApBA==, figureFileBig=1ttHCwoeeGENrC/qjCLcPg==, tableContent=null), ArticleFig(id=1173173762989114303, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=U6xSClWC6hPmyuOdAWOEIg==, figureFileBig=X6B6Bdyr3ni6S3GfK3KTSQ==, tableContent=null), ArticleFig(id=1173173763144303552, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=图7, caption=
延XX井解水锁前后关井油压恢复曲线, figureFileSmall=U6xSClWC6hPmyuOdAWOEIg==, figureFileBig=X6B6Bdyr3ni6S3GfK3KTSQ==, tableContent=null), ArticleFig(id=1173173763232383937, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=LMET4wcP3cPzQsj6rj9KuA==, figureFileBig=kBFRFwTlOdpWJWYfgfvvvQ==, tableContent=null), ArticleFig(id=1173173763316270018, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=图8, caption=
延XX井解水锁前后生产曲线, figureFileSmall=LMET4wcP3cPzQsj6rj9KuA==, figureFileBig=kBFRFwTlOdpWJWYfgfvvvQ==, tableContent=null), ArticleFig(id=1173173763370795971, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 层位 | 平均渗透率/ mD | 水锁指数WBI/% | 水锁伤害程度 |
| 范围 | 平均 |
| 盒8 | 0.37 | 78.6~81.1 | 79.9 | 强 |
| 山1 | 0.31 | 80.5~83.7 | 82.1 | 强 |
| 山2 | 0.52 | 63.8~80.5 | 72.2 | 强 |
| 本溪 | 1.06 | 49.7~77.1 | 63.4 | 中等偏强-强 |
), ArticleFig(id=1173173763509208004, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=表1, caption=
盒8段-本溪组水锁伤害指数
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| 层位 | 平均渗透率/ mD | 水锁指数WBI/% | 水锁伤害程度 |
| 范围 | 平均 |
| 盒8 | 0.37 | 78.6~81.1 | 79.9 | 强 |
| 山1 | 0.31 | 80.5~83.7 | 82.1 | 强 |
| 山2 | 0.52 | 63.8~80.5 | 72.2 | 强 |
| 本溪 | 1.06 | 49.7~77.1 | 63.4 | 中等偏强-强 |
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| 井号 | 临界携液流速与流量 | 目前产量/ (104 m3·d-1) | 是否携液 |
| 李闽模型 | 王毅忠模型 |
| vcr/(m·s-1) | Qcr/(104 m3·d-1) | vcr/(m·s-1) | Qcr/(104 m3·d-1) |
| XX-61 | 0.724 | 1.139 | 0.651 | 1.025 | 1.164 | 能 |
| XX-84 | 1.378 | 0.615 | 1.24 | 0.553 | 0.419 | 不能 |
| XX-91 | 1.219 | 0.693 | 1.098 | 0.623 | 0.739 | 能 |
| XX-83 | 0.610 | 1.330 | 0.549 | 1.197 | 0.35 | 不能 |
| XX-60 | 1.331 | 0.636 | 1.198 | 0.572 | 0.673 | 能 |
| XX-58 | 0.669 | 1.224 | 0.602 | 1.102 | 0.132 | 不能 |
| XX-80 | 0.595 | 1.36 | 0.536 | 1.224 | 1.517 | 能 |
| XX-79 | 0.537 | 1.487 | 0.484 | 1.338 | 0.459 | 不能 |
| XX-86 | 0.684 | 1.200 | 0.615 | 1.080 | 0.559 | 不能 |
| XX-82 | 0.65 | 1.257 | 0.585 | 1.131 | 0.517 | 不能 |
| XX-75 | 1.296 | 0.653 | 1.166 | 0.587 | 0.467 | 不能 |
| XX-75 | 1.473 | 0.576 | 1.326 | 0.518 | 0.821 | 能 |
| XX-76 | 0.886 | 0.942 | 0.797 | 0.848 | 0.868 | 能 |
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产水井临界携液流量与实际携液情况对比评价结果
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| 井号 | 临界携液流速与流量 | 目前产量/ (104 m3·d-1) | 是否携液 |
| 李闽模型 | 王毅忠模型 |
| vcr/(m·s-1) | Qcr/(104 m3·d-1) | vcr/(m·s-1) | Qcr/(104 m3·d-1) |
| XX-61 | 0.724 | 1.139 | 0.651 | 1.025 | 1.164 | 能 |
| XX-84 | 1.378 | 0.615 | 1.24 | 0.553 | 0.419 | 不能 |
| XX-91 | 1.219 | 0.693 | 1.098 | 0.623 | 0.739 | 能 |
| XX-83 | 0.610 | 1.330 | 0.549 | 1.197 | 0.35 | 不能 |
| XX-60 | 1.331 | 0.636 | 1.198 | 0.572 | 0.673 | 能 |
| XX-58 | 0.669 | 1.224 | 0.602 | 1.102 | 0.132 | 不能 |
| XX-80 | 0.595 | 1.36 | 0.536 | 1.224 | 1.517 | 能 |
| XX-79 | 0.537 | 1.487 | 0.484 | 1.338 | 0.459 | 不能 |
| XX-86 | 0.684 | 1.200 | 0.615 | 1.080 | 0.559 | 不能 |
| XX-82 | 0.65 | 1.257 | 0.585 | 1.131 | 0.517 | 不能 |
| XX-75 | 1.296 | 0.653 | 1.166 | 0.587 | 0.467 | 不能 |
| XX-75 | 1.473 | 0.576 | 1.326 | 0.518 | 0.821 | 能 |
| XX-76 | 0.886 | 0.942 | 0.797 | 0.848 | 0.868 | 能 |
), ArticleFig(id=1173173763748283335, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
油管尺寸/ mm | 井口压力/MPa |
| 15 | 12 | 9 | 6 | 3 | 2 |
| 25 | 0.39 | 0.35 | 0.30 | 0.24 | 0.16 | 0.13 |
| 40.3 | 1.01 | 0.90 | 0.77 | 0.62 | 0.43 | 0.35 |
| 50.8 | 1.58 | 1.41 | 1.20 | 0.96 | 0.67 | 0.54 |
| 62 | 2.40 | 2.14 | 1.83 | 1.46 | 1.01 | 0.82 |
), ArticleFig(id=1173173763823780808, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=表3, caption=
不同油管尺寸及井口压力下的临界携液流量
, figureFileSmall=null, figureFileBig=null, tableContent=
油管尺寸/ mm | 井口压力/MPa |
| 15 | 12 | 9 | 6 | 3 | 2 |
| 25 | 0.39 | 0.35 | 0.30 | 0.24 | 0.16 | 0.13 |
| 40.3 | 1.01 | 0.90 | 0.77 | 0.62 | 0.43 | 0.35 |
| 50.8 | 1.58 | 1.41 | 1.20 | 0.96 | 0.67 | 0.54 |
| 62 | 2.40 | 2.14 | 1.83 | 1.46 | 1.01 | 0.82 |
), ArticleFig(id=1173173763899278281, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
活性剂 代号 | 不同活性剂浓度(mg/L)下的表面张力/(mN·m-1) |
| 50 | 100 | 200 | 500 | 1 000 | 2 000 | 3 000 | 5 000 |
| LAB | 29.45 | 29.34 | 28.69 | 27.68 | 27.32 | 26.88 | 26.56 | 26.34 |
| LAPO | 32.03 | 31.89 | 31.56 | 31.27 | 30.66 | 28.99 | 27.60 | 27.42 |
| LAO | 67.82 | 65.33 | 53.57 | 52.73 | 44.38 | 35.14 | 33.00 | 31.60 |
), ArticleFig(id=1173173763966387146, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670641139364539, language=CN, label=表4, caption=
两性离子碳氢表面活性剂在不同浓度下的表面张力
, figureFileSmall=null, figureFileBig=null, tableContent=
活性剂 代号 | 不同活性剂浓度(mg/L)下的表面张力/(mN·m-1) |
| 50 | 100 | 200 | 500 | 1 000 | 2 000 | 3 000 | 5 000 |
| LAB | 29.45 | 29.34 | 28.69 | 27.68 | 27.32 | 26.88 | 26.56 | 26.34 |
| LAPO | 32.03 | 31.89 | 31.56 | 31.27 | 30.66 | 28.99 | 27.60 | 27.42 |
| LAO | 67.82 | 65.33 | 53.57 | 52.73 | 44.38 | 35.14 | 33.00 | 31.60 |
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