Article(id=1322941886972961770, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322941491332657306, articleNumber=null, orderNo=null, doi=10.13809/j.cnki.cn32-1825/te.2025441, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1757952000000, receivedDateStr=2025-09-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343524925, onlineDateStr=2026-10-30, pubDate=1795622400000, pubDateStr=2026-11-26, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343524925, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343524925, creator=13701087609, updateTime=1793343524925, updator=13701087609, issue=Issue{id=1322941491332657306, tenantId=1146029695717560320, journalId=1322258508890079423, year='2026', volume='16', issue='6', pageStart='1137', pageEnd='1368', issueExtLink='null', onlineDate='null', pubDate='1795622400000', pubDateStr='2026-11-26', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793343430598, creator='13701087609', updateTime=1793344116766, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322944369447285513, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322941491332657306, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322944369447285514, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322941491332657306, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1286, endPage=1296, ext={EN=ArticleExt(id=1322941887392392171, articleId=1322941886972961770, tenantId=1146029695717560320, journalId=1322258508890079423, language=EN, title=Intelligent simulation and prediction of shale oil production in horizontal wells: a case study of Chang 7 shale oil of Triassic System, Ordos Basin, columnId=1322941693024141328, journalTitle=Petroleum Reservoir Evaluation and Development, columnName=Oil and Gas Development, runingTitle=null, highlight=
Chang 7 shale oil of the Triassic System in the Ordos Basin have not yet achieved large-scale and effective development due to their significant lateral reservoir heterogeneity and considerable variations in crude oil physical properties. Accurately predicting single-well production and identifying its main controlling factors are crucial for optimizing field production strategies. Based on production data, engineering parameters, and fracturing parameters from 197 sample wells screened in the Chang 7 shale oil, this study first classified the wells using a feature-weighted fuzzy C-means clustering (FCM) algorithm. Subsequently, a long short-term memory (LSTM) model incorporating an attention mechanism was constructed for intelligent production simulation and prediction. This mechanism effectively overcomes the difficulty of the standard LSTM model in screening key information under multi-parameter conditions by prioritizing the most critical factors and ignoring less influential ones. The model parameters were then optimized using a differential evolution algorithm. Finally, the production predictions were compared against those from the standard LSTM model and the traditional Arps model. The results indicated that across the three classified types of single wells, the main factors influencing single-well production were oil saturation, the number of fracturing stages, sand volume, the total injected fracturing fluid volume, and reservoir length. Furthermore, the relative contribution of each factor varied among the three well types. The traditional Arps decline model showed relatively large errors in three evaluation indicators—coefficient of determination (R2), root mean square error (RMSE), and mean absolute percentage error (MAPE)—demonstrating that neural network models provided superior prediction performance for single-well production in this shale oil reservoir compared to the Arps model. After introducing the attention mechanism, the prediction accuracy of the LSTM model for the production of three well types improved by 3.34%, 3.57%, and 2.57%, respectively, demonstrating its effective optimization capability. Adjusting the input parameters and training set length of the AT-LSTM model according to the characteristics of different production stages for the three well types can further enhance production prediction performance. With the objective of increasing single-well production, optimization of the main controlling factors for single wells within the block confirmed the feasibility of multifactor synergistic optimization, while providing strong support for adjusting production strategies for single wells in the Chang 7 shale oil reservoir.
, articleAbstract=null, authors=YISHENG HU1, SHENGYUAN LUO1, HAO HUANG2, JIHONG CHEN1, TIANJING HUANG3, JIAHUI ZHANG4, authorsList=YISHENG HU, SHENGYUAN LUO, HAO HUANG, JIHONG CHEN, TIANJING HUANG, JIAHUI ZHANG, 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=1322941892106789886, articleId=1322941886972961770, tenantId=1146029695717560320, journalId=1322258508890079423, language=CN, title=页岩油水平井产量智能模拟预测, columnId=1322941693259022355, journalTitle=油气藏评价与开发, columnName=油气开发, runingTitle=null, highlight=
鄂尔多斯盆地三叠系延长组7段(长7段)页岩油藏因其储层横向非均质性显著,原油物性变化明显,一直未实现规模化有效开发。准确预测单井产量并确定其主控因素对优化现场生产措施至关重要。基于长7段筛选出的197口样本井的生产数据、工程和压裂参数,首先利用特征加权模糊C均值聚类(Fuzzy C-Means Clustering,FCM)算法对单井进行分类,并构建引入注意力机制的长短期记忆网络(Long Short-Term Memory,LSTM)模型进行产量智能模拟预测。该机制能够有效克服LSTM模型在多参数条件下筛选关键信息的难题,优先考虑最为关键的要素,忽视影响较小的要素;再通过差分进化算法对模型进行参数优化,最后将产量预测值与LSTM模型和传统Arps模型预测值进行对比分析。结果表明:在经过分类后的3类单井中,含油饱和度、压裂段数、加砂量、入地总液量以及油层长度等是影响单井产量的主要因素,且每个因素所占比重在3类单井中各不相同。传统的Arps递减模型在决定系数(R2)、均方根误差(RMSE)和平均绝对百分比误差(MAPE)这3个指标上均体现出较大的误差,在页岩油藏单井产量预测上没有神经网络模型预测效果好。在引入注意力机制后,LSTM模型在3类单井产量的预测精度上分别提升了3.34%、3.57%和2.57%,表明注意力机制良好的优化效果。根据3类单井在不同生产阶段的特点,调整AT-LSTM模型的输入参数和训练集长度能够进一步提高产量预测效果。以提高单井产量为目标,对区域内单井进行主控因素的优化,证实了多因素协同优化的可行性,同时为长7段页岩油藏单井的生产措施调整提供了有力支持。
, articleAbstract=null, authors=胡义升1, 罗盛源1, 黄昊2, 陈继宏1, 黄天镜3, 张嘉辉4, authorsList=胡义升, 罗盛源, 黄昊, 陈继宏, 黄天镜, 张嘉辉, authorCompany=null, correspAuthors=null, authorNote=
胡义升(1988—),男,博士,研究员,主要从事注气提高采收率、CO2埋存、油气藏流体相平衡及高压物性实验等研究。地址:四川省成都市新都区新都大道8号,邮政编码:610500。E-mail:yisheng.hu@swpu.edu.cn
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1 西南石油大学石油与天然气工程学院,四川 成都 610500, bio={"content":"
胡义升(1988—),男,博士,研究员,主要从事注气提高采收率、CO2埋存、油气藏流体相平衡及高压物性实验等研究。地址:四川省成都市新都区新都大道8号,邮政编码:610500。E-mail:yisheng.hu@swpu.edu.cn
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胡义升(1988—),男,博士,研究员,主要从事注气提高采收率、CO2埋存、油气藏流体相平衡及高压物性实验等研究。地址:四川省成都市新都区新都大道8号,邮政编码:610500。E-mail:yisheng.hu@swpu.edu.cn
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1 School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322941895286071315, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941895097327632, language=CN, stringName=罗盛源, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=
1 西南石油大学石油与天然气工程学院,四川 成都 610500, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322941892870153215, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=1, ext=[AuthorCompanyExt(id=1322941892878541824, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941892870153215, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China), AuthorCompanyExt(id=1322941892891123712, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941892870153215, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 No.5 Oil Production Plant of PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710299, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322941895537729560, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941895348985877, language=CN, stringName=黄昊, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=2, address=
2 中国石油长庆油田分公司第五采油厂,陕西 西安 710299, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322941894535290881, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=2, ext=[AuthorCompanyExt(id=1322941894543679490, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894535290881, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 No.5 Oil Production Plant of PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710299, China), AuthorCompanyExt(id=1322941894547873795, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894535290881, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 中国石油长庆油田分公司第五采油厂,陕西 西安 710299)])]), Author(id=1322941895609032730, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, 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=1322941895684530204, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941895609032730, language=EN, stringName=JIHONG CHEN, firstName=JIHONG, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=
1 School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322941895772610589, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941895609032730, language=CN, stringName=陈继宏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=1, address=
1 西南石油大学石油与天然气工程学院,四川 成都 610500, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322941892870153215, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=1, ext=[AuthorCompanyExt(id=1322941892878541824, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941892870153215, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China), AuthorCompanyExt(id=1322941892891123712, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941892870153215, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710018, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322941896179458082, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941895860690975, language=CN, stringName=黄天镜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=3, address=
3 中国石油长庆油田分公司勘探开发研究院,陕西 西安 710018, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322941894631759876, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=3, ext=[AuthorCompanyExt(id=1322941894640148485, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894631759876, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710018, China), AuthorCompanyExt(id=1322941894648537094, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894631759876, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 中国石油长庆油田分公司勘探开发研究院,陕西 西安 710018)])]), Author(id=1322941896309481509, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, orderNo=5, 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=1322941896665997351, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941896309481509, language=EN, stringName=JIAHUI ZHANG, firstName=JIAHUI, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=4, address=
4 School of Computer Science, Southwest Petroleum University, Chengdu, Sichuan 610500, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322941897022513193, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, authorId=1322941896309481509, language=CN, stringName=张嘉辉, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=4, address=
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1 西南石油大学石油与天然气工程学院,四川 成都 610500)]), AuthorCompany(id=1322941894535290881, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=2, ext=[AuthorCompanyExt(id=1322941894543679490, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894535290881, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 中国石油长庆油田分公司第五采油厂,陕西 西安 710299)]), AuthorCompany(id=1322941894631759876, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=3, ext=[AuthorCompanyExt(id=1322941894640148485, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894631759876, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710018, China), AuthorCompanyExt(id=1322941894648537094, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894631759876, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 中国石油长庆油田分公司勘探开发研究院,陕西 西安 710018)]), AuthorCompany(id=1322941894728228871, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, xref=4, ext=[AuthorCompanyExt(id=1322941894736617480, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894728228871, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 School of Computer Science, Southwest Petroleum University, Chengdu, Sichuan 610500, China), AuthorCompanyExt(id=1322941894749200393, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, companyId=1322941894728228871, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4 西南石油大学计算机科学学院,四川 成都 610500)])], figs=[ArticleFig(id=1322941901250371641, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig. 1, caption=
Regional tectonic units of Ordos Basin and geographical location of Qingcheng oilfield, figureFileSmall=1Bgyr1v1z7/ViSmXLjLdMQ==, figureFileBig=GwAyKiJi/BrLjfKkMcg62A==, tableContent=null), ArticleFig(id=1322941901334257722, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图1, caption=
鄂尔多斯盆地区域构造单元及庆城油田地理位置, figureFileSmall=1Bgyr1v1z7/ViSmXLjLdMQ==, figureFileBig=GwAyKiJi/BrLjfKkMcg62A==, tableContent=null), ArticleFig(id=1322941901753688123, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.2, caption=
Heatmaps of correlations between production and influencing factors for class Ⅰ-Ⅲ single wells, figureFileSmall=V2uUWPbmlR+rwnpj651VwQ==, figureFileBig=2/nB4zALXKmm9lq28fNmpA==, tableContent=null), ArticleFig(id=1322941903473352764, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图2, caption=
Ⅰ—Ⅲ类单井产量与影响因素的关联关系热力图, figureFileSmall=V2uUWPbmlR+rwnpj651VwQ==, figureFileBig=2/nB4zALXKmm9lq28fNmpA==, tableContent=null), ArticleFig(id=1322941903557238845, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.3, caption=
Architecture of attention mechanism model, figureFileSmall=IT9G/YxhOvbzF1pkHdCpOg==, figureFileBig=9eFQ4e4YSqjftiU9XC5D5w==, tableContent=null), ArticleFig(id=1322941903632736318, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图3, caption=
Attention机制模型构架注:
指注意力机制模型输入和输出的衔接部分,指代整个模型的名称;
为输入序列的隐藏状态的特征值;
为输入特征值对应的隐藏层的状态值;
为最后输出时的隐藏层状态值;
为经过注意力机制处理后得到的输出数据。, figureFileSmall=IT9G/YxhOvbzF1pkHdCpOg==, figureFileBig=9eFQ4e4YSqjftiU9XC5D5w==, tableContent=null), ArticleFig(id=1322941903720816703, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.4, caption=
Flowchart of differential evolution algorithm, figureFileSmall=XyZRJL6uaQnL0UKWQ7uygA==, figureFileBig=R7Z9bDAY0Rrs72B1BgmWZw==, tableContent=null), ArticleFig(id=1322941903804702784, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图4, caption=
差分进化算法流程注:k为算法的迭代次数。
, figureFileSmall=XyZRJL6uaQnL0UKWQ7uygA==, figureFileBig=R7Z9bDAY0Rrs72B1BgmWZw==, tableContent=null), ArticleFig(id=1322941903888588865, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.5, caption=
Flowchart of attention mechanism-based LSTM model for production prediction, figureFileSmall=JLGZKmze6KOUKsGJMs8D4w==, figureFileBig=cmBzK0ZlK20AQQTL+U8s4Q==, tableContent=null), ArticleFig(id=1322941904547094594, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图5, caption=
基于注意力机制的LSTM模型预测产量流程, figureFileSmall=JLGZKmze6KOUKsGJMs8D4w==, figureFileBig=cmBzK0ZlK20AQQTL+U8s4Q==, tableContent=null), ArticleFig(id=1322941904626786371, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.6, caption=
Radar charts of comparison evaluation indicators for class Ⅱ single wells, figureFileSmall=9mFVPrOu0D/7gGPewCXAJA==, figureFileBig=d+ty0l2OxnMBbuP2yX90xw==, tableContent=null), ArticleFig(id=1322941905029439556, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图6, caption=
Ⅱ类单井评价指标对比雷达图, figureFileSmall=9mFVPrOu0D/7gGPewCXAJA==, figureFileBig=d+ty0l2OxnMBbuP2yX90xw==, tableContent=null), ArticleFig(id=1322941905381761093, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.7, caption=
Comparison of production prediction results by different models for class Ⅰ-Ⅲ single wells, figureFileSmall=C57wGOA+twW6R0hdcAPO4g==, figureFileBig=HzS8iW6f1IpkKw4x9EdaZg==, tableContent=null), ArticleFig(id=1322941905885077574, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图7, caption=
Ⅰ-Ⅲ类单井不同模型的产量预测结果对比, figureFileSmall=C57wGOA+twW6R0hdcAPO4g==, figureFileBig=HzS8iW6f1IpkKw4x9EdaZg==, tableContent=null), ArticleFig(id=1322941906262564936, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Fig.8, caption=
Production prediction results for class Ⅰ-Ⅲ single wells, figureFileSmall=gwCqDXCTtpnN9XfucIfOiA==, figureFileBig=ikbkIfqFih5KFQ5vmMKk5w==, tableContent=null), ArticleFig(id=1322941907919315017, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=图8, caption=
Ⅰ-Ⅲ类单井产量预测结果, figureFileSmall=gwCqDXCTtpnN9XfucIfOiA==, figureFileBig=ikbkIfqFih5KFQ5vmMKk5w==, tableContent=null), ArticleFig(id=1322941907999006794, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 1, caption=
Feature-weighted results for different parameters in weighted FCM algorithm, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征参数 | 产量 | 含油饱和度 | 压裂段数 | 入地总液量 | 加砂量 |
|---|
| 特征权重 | 0.525 | 0.214 | 0.103 | 0.093 | 0.065 |
), ArticleFig(id=1322941908095475787, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表1, caption=
特征加权FCM算法的不同参数特征权重结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 特征参数 | 产量 | 含油饱和度 | 压裂段数 | 入地总液量 | 加砂量 |
|---|
| 特征权重 | 0.525 | 0.214 | 0.103 | 0.093 | 0.065 |
), ArticleFig(id=1322941908170973260, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 2, caption=
Feature-weighted scoring for selected single wells, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 类别 | 产量 | 含油饱和度 | 压裂段数 | 入地总液量 | 加砂量 | 加权评分值 |
|---|
| 华H16-2井 | Ⅰ类 | 0.340 | 0.157 | 0.065 | 0.068 | 0.046 | 0.676 |
| 华H9-1井 | Ⅰ类 | 0.375 | 0.149 | 0.027 | 0.029 | 0.022 | 0.603 |
| 华H40-4井 | Ⅱ类 | 0.139 | 0.140 | 0.038 | 0.045 | 0.030 | 0.392 |
| 华H32-1井 | Ⅱ类 | 0.373 | 0.022 | 0.033 | 0.044 | 0.031 | 0.503 |
| 华H17-4井 | Ⅲ类 | 0.031 | 0.000 | 0.011 | 0.015 | 0.016 | 0.073 |
| 华H28-4井 | Ⅲ类 | 0.156 | 0.024 | 0.046 | 0.045 | 0.032 | 0.303 |
), ArticleFig(id=1322941908317773901, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表2, caption=
部分单井的特征加权评分
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 类别 | 产量 | 含油饱和度 | 压裂段数 | 入地总液量 | 加砂量 | 加权评分值 |
|---|
| 华H16-2井 | Ⅰ类 | 0.340 | 0.157 | 0.065 | 0.068 | 0.046 | 0.676 |
| 华H9-1井 | Ⅰ类 | 0.375 | 0.149 | 0.027 | 0.029 | 0.022 | 0.603 |
| 华H40-4井 | Ⅱ类 | 0.139 | 0.140 | 0.038 | 0.045 | 0.030 | 0.392 |
| 华H32-1井 | Ⅱ类 | 0.373 | 0.022 | 0.033 | 0.044 | 0.031 | 0.503 |
| 华H17-4井 | Ⅲ类 | 0.031 | 0.000 | 0.011 | 0.015 | 0.016 | 0.073 |
| 华H28-4井 | Ⅲ类 | 0.156 | 0.024 | 0.046 | 0.045 | 0.032 | 0.303 |
), ArticleFig(id=1322941908405854286, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 3, caption=
Normalized data for production and influencing factors of class Ⅰ single wells in Chang 7 shale oil reservoir, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 阳平8井 | 0.84 | 0.24 | 0.40 | 0.25 | 0.08 | 0.10 | 0.14 |
| 西平238-75井 | 0.72 | 0.50 | 0.63 | 0.25 | 0.21 | 0.09 | 0.07 |
), ArticleFig(id=1322941908468768847, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表3, caption=
长7段页岩油藏Ⅰ类单井产量及影响因素的归一化数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 阳平8井 | 0.84 | 0.24 | 0.40 | 0.25 | 0.08 | 0.10 | 0.14 |
| 西平238-75井 | 0.72 | 0.50 | 0.63 | 0.25 | 0.21 | 0.09 | 0.07 |
), ArticleFig(id=1322941908552654928, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 4, caption=
Normalized data for production and influencing factors of class Ⅱ single wells in Chang 7 shale oil reservoir, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 阳平10井 | 0.24 | 0.50 | 0.40 | 0.30 | 0.18 | 0.00 | 0.63 |
| 华H61-4井 | 0.65 | 0.43 | 0.28 | 0.24 | 0.85 | 0.49 | 0.31 |
), ArticleFig(id=1322941908741398609, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表4, caption=
长7段页岩油藏Ⅱ类单井产量及影响因素的归一化数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 阳平10井 | 0.24 | 0.50 | 0.40 | 0.30 | 0.18 | 0.00 | 0.63 |
| 华H61-4井 | 0.65 | 0.43 | 0.28 | 0.24 | 0.85 | 0.49 | 0.31 |
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Normalized data for production and influencing factors of class Ⅲ single wells in Chang 7 shale oil reservoir, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 华H45-1井 | 0.78 | 0.64 | 0.50 | 0.10 | 0.16 | 0.49 | 0.33 |
| 华H62-3井 | 0.72 | 0.64 | 0.21 | 0.18 | 0.28 | 0.13 | 0.25 |
), ArticleFig(id=1322941909580259412, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表5, caption=
长7段页岩油藏Ⅲ类单井产量及影响因素的归一化数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | 产量 | 油层长度 | 水平段长度 | 平均全烃体积分数 | 入地总液量 | 加砂量 | 压裂段数 |
|---|
| 华H45-1井 | 0.78 | 0.64 | 0.50 | 0.10 | 0.16 | 0.49 | 0.33 |
| 华H62-3井 | 0.72 | 0.64 | 0.21 | 0.18 | 0.28 | 0.13 | 0.25 |
), ArticleFig(id=1322941909701894229, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 6, caption=
Prediction indicator results of different models for various well types, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型类别 | Ⅰ类井 | Ⅱ类井 | Ⅲ类井 |
|---|
| R2 | | | 预测精度 | R2 | | | 预测精度 | R2 | | | 预测精度 |
|---|
| Arps模型 | -5.95 | 172.64 | 0.44 | 0.564 5 | 0.56 | 56.42 | 0.2 | 0.842 1 | -0.87 | 126.29 | 0.447 | 0.553 7 |
| LSTM模型 | 0.83 | 31.05 | 0.08 | 0.925 5 | 0.86 | 32.07 | 0.11 | 0.901 7 | 0.83 | 42.07 | 0.194 | 0.877 7 |
| AT-LSTM模型 | 0.92 | 21.35 | 0.04 | 0.958 9 | 0.94 | 20.35 | 0.07 | 0.937 4 | 0.84 | 41.14 | 0.189 | 0.903 4 |
), ArticleFig(id=1322941910003884119, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表6, caption=
不同分类井不同模型预测指标结果
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型类别 | Ⅰ类井 | Ⅱ类井 | Ⅲ类井 |
|---|
| R2 | | | 预测精度 | R2 | | | 预测精度 | R2 | | | 预测精度 |
|---|
| Arps模型 | -5.95 | 172.64 | 0.44 | 0.564 5 | 0.56 | 56.42 | 0.2 | 0.842 1 | -0.87 | 126.29 | 0.447 | 0.553 7 |
| LSTM模型 | 0.83 | 31.05 | 0.08 | 0.925 5 | 0.86 | 32.07 | 0.11 | 0.901 7 | 0.83 | 42.07 | 0.194 | 0.877 7 |
| AT-LSTM模型 | 0.92 | 21.35 | 0.04 | 0.958 9 | 0.94 | 20.35 | 0.07 | 0.937 4 | 0.84 | 41.14 | 0.189 | 0.903 4 |
), ArticleFig(id=1322941910138101848, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=EN, label=Table 7, caption=
Relationship between horizontal section length and production, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平段长度/m | 井数/口 | 平均水平段长度/m | 平均日产量/t | 平均总产量/t | 单位平均日产量/(t/m) |
|---|
| [700, 1 500) | 20 | 1 209.84 | 3.33 | 26 404.76 | 0.002 8 |
| 1 500 | 67 | 1 500.00 | 3.66 | 29 099.94 | 0.002 4 |
| (1 500, 1 800) | 29 | 1 620.25 | 3.45 | 27 265.97 | 0.002 1 |
| [1 800, 2 000) | 22 | 1 824.86 | 3.08 | 24 438.22 | 0.001 7 |
| 2 000 | 41 | 2 000.00 | 3.65 | 28 598.46 | 0.001 8 |
| (2 000, 3 000] | 21 | 2 368.48 | 3.56 | 28 366.94 | 0.001 5 |
), ArticleFig(id=1322941910494617689, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322941886972961770, language=CN, label=表7, caption=
水平段长度与产量的关系
, figureFileSmall=null, figureFileBig=null, tableContent=
| 水平段长度/m | 井数/口 | 平均水平段长度/m | 平均日产量/t | 平均总产量/t | 单位平均日产量/(t/m) |
|---|
| [700, 1 500) | 20 | 1 209.84 | 3.33 | 26 404.76 | 0.002 8 |
| 1 500 | 67 | 1 500.00 | 3.66 | 29 099.94 | 0.002 4 |
| (1 500, 1 800) | 29 | 1 620.25 | 3.45 | 27 265.97 | 0.002 1 |
| [1 800, 2 000) | 22 | 1 824.86 | 3.08 | 24 438.22 | 0.001 7 |
| 2 000 | 41 | 2 000.00 | 3.65 | 28 598.46 | 0.001 8 |
| (2 000, 3 000] | 21 | 2 368.48 | 3.56 | 28 366.94 | 0.001 5 |
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