Article(id=1322957393335820809, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322957283147252214, articleNumber=null, orderNo=null, doi=10.13809/j.cnki.cn32-1825/te.2025014, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749744000000, receivedDateStr=2025-06-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793347221931, onlineDateStr=2026-10-30, pubDate=1774454400000, pubDateStr=2026-03-26, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793347221931, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793347221931, creator=13701087609, updateTime=1793347221931, updator=13701087609, issue=Issue{id=1322957283147252214, tenantId=1146029695717560320, journalId=1322258508890079423, year='2026', volume='16', issue='2', pageStart='225', pageEnd='488', issueExtLink='null', onlineDate='null', pubDate='1774454400000', pubDateStr='2026-03-26', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793347195659, creator='13701087609', updateTime=1793348987089, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322964796999611071, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322957283147252214, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322964796999611072, tenantId=1146029695717560320, journalId=1322258508890079423, issueId=1322957283147252214, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=394, endPage=403, ext={EN=ArticleExt(id=1322957393553924618, articleId=1322957393335820809, tenantId=1146029695717560320, journalId=1322258508890079423, language=EN, title=Study on physical properties and gas production differences of coalbed methane reservoirs in different structural locations of Wulihou mine field, columnId=1322941693024141328, journalTitle=Petroleum Reservoir Evaluation and Development, columnName=Oil and Gas Development, runingTitle=null, highlight=

Identifying the differences in physical properties and gas production of coal reservoirs at different structural locations provides an important basis for the co-development of coalbed methane (CBM). Taking 20 CBM co-production wells in the Wulihou mine field as an example, the structural combination types of reservoirs were classified based on seam floor configuration and structural curvature of the target development layers (No.3 + No.4 coal seams and No.15 coal seam). Combined with existing exploration data, the study compared key physical parameters of reservoirs at different structural locations, such as maceral components, adsorption characteristics, coal structure, gas-bearing characteristics, and permeability, and analyzed the drainage and production curve characteristics of typical co-production wells. The results indicated that: (1) The structural combination of coal reservoirs in the study area could be classified into seven types: anticline-anticline, anticline-gentle, syncline-syncline, syncline-gentle, gentle-gentle, gentle-anticline, and gentle-syncline. (2) The differences in maceral components, adsorption characteristics, coal structure, gas-bearing characteristics, and permeability were identified between the No.3 + No.4 coal seams and the No.15 coal seam at different structural locations. The degree of reservoir deformation was strongly correlated with ash content, Langmuir volume, and coal structure. The difference in structural curvature between the No.3 + No.4 and No.15 coal seams was negatively correlated with the difference in gas content, with a relatively small range of gas content variation, but was positively correlated with the difference in permeability, which changed significantly. The differences in gas content (unit: m³/t) across different structural combination types followed the order: gentle-anticline (1.55) > gentle-syncline (1.42) > anticline-gentle (1.41) > gentle-gentle (1.32) > syncline-gentle (1.06) > syncline-syncline (0.77) > anticline-anticline (0.58). The differences in permeability (unit: 10-3 μm2) followed the order: anticline-gentle (0.24) > syncline-gentle (0.21) > gentle-syncline (0.19) = anticline-anticline (0.19) > syncline-syncline (0.17) > gentle-gentle (0.16) > gentle-anticline (0.11). (3) Comparisons of gas production characteristics of co-production wells at different structural locations showed that the anticline-anticline and anticline-gentle types had better gas output, with peak values generally exceeding 1 000 m3/d. The gentle-gentle, gentle-anticline, and gentle-syncline types showed significant production fluctuations, with peak values between 200 and 1 200 m3/d. The syncline-syncline and syncline-gentle types showed poorer gas production performance, with peak values only about 200-500 m3/d.

, articleAbstract=null, authors=RUI WANG1, XUEBIN TAN2, RUIJIE CHEN1, YONG HAN1, authorsList=RUI WANG, XUEBIN TAN, RUIJIE CHEN, YONG HAN, authorCompany=null, correspAuthors=XUEBIN TAN, 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=1322957395521053211, articleId=1322957393335820809, tenantId=1146029695717560320, journalId=1322258508890079423, language=CN, title=五里堠井田不同构造部位煤层气储层物性及产气差异研究, columnId=1322941693259022355, journalTitle=油气藏评价与开发, columnName=油气开发, runingTitle=null, highlight=

查明不同构造部位煤储层物性及产气差异,可为煤层气合层开发提供重要依据。以五里堠井田20口煤层气合采井为例,基于目标开发层位(3号+4号煤层和15号煤层)的煤层底板构造形态和构造曲率,划分了构造组合类型。结合已有勘探资料,系统对比了不同构造部位煤储层的显微组分、吸附特性、煤体结构、含气特性与渗透率等关键物性参数差异,并分析了典型合采井的产气特征(排采曲线特征)。结果表明:①研究区煤储层构造组合可划分为7种类型:背斜-背斜型、背斜-平缓型、向斜-向斜型、向斜-平缓型、平缓-平缓型、平缓-背斜型和平缓-向斜型。②查明了研究区目标煤层(3号+4号煤层和15号煤层)在不同构造位置的显微组分、吸附特性、煤体结构、含气量和渗透率的物性差异。储层变形程度与灰分含量、Langmuir体积和煤体结构特征均有较强相关性。3号+4号煤层和15号煤层的构造曲率差值与含气量差值呈负相关,含气量变化范围较小;而与渗透率差值呈正相关,渗透率变化显著。不同构造组合类型的煤层含气量差值(单位:m3/t)依次为:平缓-背斜型(1.55)>平缓-向斜型(1.42)>背斜-平缓型(1.41)>平缓-平缓型(1.32)>向斜-平缓型(1.06)>向斜-向斜型(0.77)>背斜-背斜型(0.58);渗透率差值(单位:10⁻³ μm²)依次为:背斜-平缓型(0.24)>向斜-平缓型(0.21)>平缓-向斜型(0.19)=背斜-背斜型(0.19)>向斜-向斜型(0.17)>平缓-平缓型(0.16)>平缓-背斜型(0.11)。③对比不同构造部位合采井产气特征:背斜-背斜型、背斜-平缓型产气效果较好,产气峰值普遍超过1 000 m3/d;平缓-平缓型、平缓-背斜型和平缓-向斜型产气波动性较大,峰值介于200~1 200 m3/d;向斜-向斜型、向斜-平缓型产气表现较差,峰值仅约200~500 m3/d。

, articleAbstract=null, authors=王瑞1, 谭学斌2, 陈瑞杰1, 韩勇1, authorsList=王瑞, 谭学斌, 陈瑞杰, 韩勇, authorCompany=null, correspAuthors=谭学斌, authorNote=

王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

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谭学斌(1997—),男,在读博士研究生,从事煤系气开发研究工作。地址:河南省焦作市世纪大道2001号河南理工大学,邮政编码:454000。E-mail:
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王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

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王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

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Journal of China Coal Society, 2010, 35(): 150-157., articleTitle=Influence mechanism of tectonic deformation on macromolecular chemical structure of coals: A case study of vitrinite separation of tectonically deformed coals, refAbstract=Suppl.1), Reference(id=1322957411987890842, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, doi=null, pmid=null, pmcid=null, year=2022, volume=47, issue=6, pageStart=2369, pageEnd=2385, url=null, language=null, rfNumber=34, rfOrder=66, authorNames=傅雪海, 齐琦, 程鸣, journalName=煤炭学报, refType=null, unstructuredReference=傅雪海, 齐琦, 程鸣, 等. 煤储层渗透率测试、模拟与预测研究进展[J]. 煤炭学报, 2022, 47(6): 2369-2385., articleTitle=煤储层渗透率测试、模拟与预测研究进展, refAbstract=null), Reference(id=1322957412101137051, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, doi=null, pmid=null, pmcid=null, year=2022, volume=47, issue=6, pageStart=2369, pageEnd=2385, url=null, language=null, rfNumber=34, rfOrder=67, authorNames=FU Xuehai, QI Qi, CHENG Ming, journalName=Journal of China Coal Society, refType=null, unstructuredReference=FU Xuehai, QI Qi, CHENG Ming, et al. 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Journal of China Coal Society, 2022, 47(6): 2369-2385., articleTitle=Review of research on test, simulation and prediction of coal reservoir permeability, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1322957395785294364, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, xref=1, ext=[AuthorCompanyExt(id=1322957395793682973, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, companyId=1322957395785294364, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 Shanxi Lu’an Jinyuan Coalbed Methane Development Co., Ltd., Changzhi, Shanxi 046204, China), AuthorCompanyExt(id=1322957395806265886, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, companyId=1322957395785294364, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=1 山西潞安金源煤层气开发有限责任公司,山西   长治 046204)]), AuthorCompany(id=1322957397404295711, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, xref=2, ext=[AuthorCompanyExt(id=1322957397412684320, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, companyId=1322957397404295711, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China), AuthorCompanyExt(id=1322957397425267233, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, companyId=1322957397404295711, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=2 河南理工大学能源科学与工程学院,河南   焦作 454000)])], figs=[ArticleFig(id=1322957399421755968, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.1, caption=Contour lines and structural curvature of No.3 + No.4 coal seams and No.15 coal seam floor in Wulihou mine field,Qinshui Basin, figureFileSmall=7zBxx4Eyyfy4ps4jvgB9Kg==, figureFileBig=GjZA7A8VqpIncmLGsQF6eA==, tableContent=null), ArticleFig(id=1322957399509836353, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图1, caption=沁水盆地五里堠井田3号+4号煤层和15号煤层底板标高和构造曲率, figureFileSmall=7zBxx4Eyyfy4ps4jvgB9Kg==, figureFileBig=GjZA7A8VqpIncmLGsQF6eA==, tableContent=null), ArticleFig(id=1322957399719551554, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.2, caption=Maceral components of No.3, No.4, and No.15 coal seams in Wulihou mine field, Qinshui Basin, figureFileSmall=PBIAxFMFJ3tJPddO1u4vEg==, figureFileBig=P+P9JUy2HLgFy6zbwgXzQA==, tableContent=null), ArticleFig(id=1322957399790854723, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图2, caption=沁水盆地五里堠井田3号、4号煤层和15号煤层显微组分

注:图2a—图2c为观测样品分别来自W-001井、W-004井和W-017井3号煤层;图2d—图2f为观测样品来自W-001井、W-004井和W-017井4号煤层;图2g—图2i为观测样品来自W-001井、W-004井和W-017井15号煤层。

, figureFileSmall=PBIAxFMFJ3tJPddO1u4vEg==, figureFileBig=P+P9JUy2HLgFy6zbwgXzQA==, tableContent=null), ArticleFig(id=1322957399849574980, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.3, caption=Gas content of No.3 + No.4 coal seams and No.15 coal seam in Wulihou mine field,Qinshui Basin, figureFileSmall=E0cznmA7bP+Mcz4Vs9mSeA==, figureFileBig=7/DGHI1EaHnsvJYlKgD84g==, tableContent=null), ArticleFig(id=1322957399929266757, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图3, caption=沁水盆地五里堠井田3号+4号煤层和15号煤层含气量, figureFileSmall=E0cznmA7bP+Mcz4Vs9mSeA==, figureFileBig=7/DGHI1EaHnsvJYlKgD84g==, tableContent=null), ArticleFig(id=1322957400000569926, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.4, caption=Characteristic of coal structure in different coal seams of well W-004,Wulihou mine field,Qinshui Basin, figureFileSmall=DsRG28KhS57Aq3CRpZk2vw==, figureFileBig=rqevNBCNCO4WK/az/SmkPw==, tableContent=null), ArticleFig(id=1322957400080261703, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图4, caption=沁水盆地五里堠井田W-004井不同煤层煤体结构特征, figureFileSmall=DsRG28KhS57Aq3CRpZk2vw==, figureFileBig=rqevNBCNCO4WK/az/SmkPw==, tableContent=null), ArticleFig(id=1322957401762177608, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.5, caption=Permeability of No.3 + No.4 coal seams and No.15 coal seam in Wulihou mine field,Qinshui Basin, figureFileSmall=nLv+WL0vuYpVP8XtInYMOA==, figureFileBig=FwuDy4Jnqe4JHNRalibDlQ==, tableContent=null), ArticleFig(id=1322957401850257993, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图5, caption=沁水盆地五里堠井田3号+4号煤层和15号煤层渗透率, figureFileSmall=nLv+WL0vuYpVP8XtInYMOA==, figureFileBig=FwuDy4Jnqe4JHNRalibDlQ==, tableContent=null), ArticleFig(id=1322957401955115594, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.6, caption=Scatter plots of structural curvature difference and reservoir properties, figureFileSmall=XM1qBE+dRfyPQKZnIjVe0g==, figureFileBig=PtTpdtzCfPPQeelr9YGxag==, tableContent=null), ArticleFig(id=1322957402047390283, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图6, caption=构造曲率差值和储层物性散点图, figureFileSmall=XM1qBE+dRfyPQKZnIjVe0g==, figureFileBig=PtTpdtzCfPPQeelr9YGxag==, tableContent=null), ArticleFig(id=1322957402143859276, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.7, caption=Scatter plots of structural curvature difference,average burial depth,and cumulative coal thickness versus peak gas production, figureFileSmall=soR23427D4twZr/xcfAx2g==, figureFileBig=0k+ymduSn0ac2wlxAg0FAA==, tableContent=null), ArticleFig(id=1322957402210968141, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图7, caption=构造曲率差值、平均埋深、累计煤厚和产气峰值散点图, figureFileSmall=soR23427D4twZr/xcfAx2g==, figureFileBig=0k+ymduSn0ac2wlxAg0FAA==, tableContent=null), ArticleFig(id=1322957402286465614, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Fig.8, caption=Drainage and production curves of typical co-production wells, figureFileSmall=nADTETOO48TfYN2KZdJ1xQ==, figureFileBig=veON4DHRZ6TKq/XxLOK5xg==, tableContent=null), ArticleFig(id=1322957402366157391, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=图8, caption=典型合采井排采曲线, figureFileSmall=nADTETOO48TfYN2KZdJ1xQ==, figureFileBig=veON4DHRZ6TKq/XxLOK5xg==, tableContent=null), ArticleFig(id=1322957402429071952, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Table 1, caption=Structural locations of No.3 + No.4 coal seams and No.15 coal seam in coalbed methane wells of Wulihou mine field,Qinshui Basin, figureFileSmall=null, figureFileBig=null, tableContent=
井号3号+4号煤层15号煤层组合类型
构造曲率/m-1构造部位构造曲率/m-1构造部位
W-0016.28×10-4背斜0.68×10-4平缓背斜-平缓
W-002-1.02×10-4平缓-3.88×10-4向斜平缓-向斜
W-003-4.60×10-4向斜-3.38×10-4向斜向斜-向斜
W-0040.21×10-4平缓2.72×10-4背斜平缓-背斜
W-0056.58×10-4背斜2.60×10-4背斜背斜-背斜
W-006-1.78×10-4平缓-0.99×10-4平缓平缓-平缓
W-0073.84×10-4背斜5.01×10-4背斜背斜-背斜
W-008-2.54×10-4向斜1.98×10-4平缓向斜-平缓
W-009-3.18×10-4向斜0.35×10-4平缓向斜-平缓
W-010-3.39×10-4向斜0.55×10-4平缓向斜-平缓
W-011-5.82×10-4向斜-2.74×10-4向斜向斜-向斜
W-0121.13×10-4平缓2.33×10-4背斜平缓-背斜
W-0130.14×10-4平缓-1.09×10-4平缓平缓-平缓
W-0144.36×10-4背斜5.71×10-4背斜背斜-背斜
W-0151.68×10-4平缓0.48×10-4平缓平缓-平缓
W-016-0.71×10-4平缓-0.94×10-4平缓平缓-平缓
W-017-1.82×10-4平缓-3.96×10-4向斜平缓-向斜
W-0180.02×10-4平缓1.00×10-4平缓平缓-平缓
W-019-3.46×10-4向斜-3.61×10-4向斜向斜-向斜
W-020-5.33×10-4向斜-4.39×10-4向斜向斜-向斜
), ArticleFig(id=1322957402512958033, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=表1, caption=

沁水盆地五里堠井田煤层气井3号+4号煤层和15号煤层构造位置

, figureFileSmall=null, figureFileBig=null, tableContent=
井号3号+4号煤层15号煤层组合类型
构造曲率/m-1构造部位构造曲率/m-1构造部位
W-0016.28×10-4背斜0.68×10-4平缓背斜-平缓
W-002-1.02×10-4平缓-3.88×10-4向斜平缓-向斜
W-003-4.60×10-4向斜-3.38×10-4向斜向斜-向斜
W-0040.21×10-4平缓2.72×10-4背斜平缓-背斜
W-0056.58×10-4背斜2.60×10-4背斜背斜-背斜
W-006-1.78×10-4平缓-0.99×10-4平缓平缓-平缓
W-0073.84×10-4背斜5.01×10-4背斜背斜-背斜
W-008-2.54×10-4向斜1.98×10-4平缓向斜-平缓
W-009-3.18×10-4向斜0.35×10-4平缓向斜-平缓
W-010-3.39×10-4向斜0.55×10-4平缓向斜-平缓
W-011-5.82×10-4向斜-2.74×10-4向斜向斜-向斜
W-0121.13×10-4平缓2.33×10-4背斜平缓-背斜
W-0130.14×10-4平缓-1.09×10-4平缓平缓-平缓
W-0144.36×10-4背斜5.71×10-4背斜背斜-背斜
W-0151.68×10-4平缓0.48×10-4平缓平缓-平缓
W-016-0.71×10-4平缓-0.94×10-4平缓平缓-平缓
W-017-1.82×10-4平缓-3.96×10-4向斜平缓-向斜
W-0180.02×10-4平缓1.00×10-4平缓平缓-平缓
W-019-3.46×10-4向斜-3.61×10-4向斜向斜-向斜
W-020-5.33×10-4向斜-4.39×10-4向斜向斜-向斜
), ArticleFig(id=1322957402588455506, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Table 2, caption=Adsorption constants of No.3,No.4,and No.15 coal seams in Wulihou mine field,Qinshui Basin, figureFileSmall=null, figureFileBig=null, tableContent=
井号煤层深度/m各组分质量分数/%Langmuir体积/(cm3/g)Langmuir压力/MPa
水分灰分挥发分
W-0013号561.78~562.081.0817.0215.9519.180.94
4号570.89~571.291.0019.2016.2018.750.58
15号717.88~721.681.3323.3614.9917.470.67
W-0043号523.29~524.290.7219.2715.3724.050.64
4号531.62~532.021.0525.2616.8524.860.65
15号669.63~674.971.6122.8814.4618.750.58
W-0173号405.48~406.031.5116.7913.1025.690.79
4号413.95~414.231.3777.8137.513.880.14
15号566.19~571.790.9411.6711.7425.590.70
), ArticleFig(id=1322957402672341587, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=表2, caption=

沁水盆地五里堠井田3号、4号煤层和15号煤层吸附常数

, figureFileSmall=null, figureFileBig=null, tableContent=
井号煤层深度/m各组分质量分数/%Langmuir体积/(cm3/g)Langmuir压力/MPa
水分灰分挥发分
W-0013号561.78~562.081.0817.0215.9519.180.94
4号570.89~571.291.0019.2016.2018.750.58
15号717.88~721.681.3323.3614.9917.470.67
W-0043号523.29~524.290.7219.2715.3724.050.64
4号531.62~532.021.0525.2616.8524.860.65
15号669.63~674.971.6122.8814.4618.750.58
W-0173号405.48~406.031.5116.7913.1025.690.79
4号413.95~414.231.3777.8137.513.880.14
15号566.19~571.790.9411.6711.7425.590.70
), ArticleFig(id=1322957402752033364, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=EN, label=Table 3, caption=Coal structure of No.3,No.4,and No.15 coal seams in Wulihou mine field,Qinshui Basin, figureFileSmall=null, figureFileBig=null, tableContent=
井号3号煤层4号煤层15号煤层
视电阻率/(Ω·m)煤体结构视电阻率/(Ω·m)煤体结构视电阻率/(Ω·m)煤体结构
W-00160~70Ⅰ、Ⅱ类煤70~80Ⅰ、Ⅱ类煤70~150Ⅱ、Ⅲ、Ⅳ类煤
W-00235~45Ⅰ类煤15~30Ⅰ类煤85~165Ⅱ、Ⅲ、Ⅳ类煤
W-00355~70Ⅰ、Ⅱ类煤60~105Ⅰ、Ⅱ类煤85~185主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-00480~82Ⅱ类煤85~128Ⅲ、Ⅳ类煤100~175Ⅲ、Ⅳ类煤
W-00580~95Ⅱ类煤65~105Ⅱ类煤110~185Ⅲ、Ⅳ类煤
W-00680~115Ⅱ、Ⅲ、Ⅳ类煤58~110Ⅱ、Ⅲ、Ⅳ类煤98~180Ⅲ、Ⅳ类煤
W-00767~80Ⅱ类煤93~133主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤66~142Ⅱ、Ⅲ、Ⅳ类煤
W-00870~78Ⅱ类煤62~85主要为Ⅱ类煤,少量为Ⅰ类煤93~152主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-00980~98Ⅱ类煤108~122主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤118~267Ⅲ、Ⅳ类煤
W-01068~71主要为Ⅰ类煤,少量为Ⅱ类煤82~103主要为Ⅱ类煤,少量为Ⅲ、Ⅳ类煤104~141主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01160~100主要为Ⅱ类煤,少量为Ⅰ类煤100~115主要为Ⅱ类煤,少量为Ⅲ、Ⅳ类煤102~205主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-012120~130Ⅲ、Ⅳ类煤105~110Ⅲ、Ⅳ类煤79~130Ⅱ、Ⅲ、Ⅳ类煤
W-01355~57Ⅰ类煤65~85主要为Ⅰ类煤,少量为Ⅱ类煤96~205主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01487~130主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤120~130Ⅲ、Ⅳ类煤70~190Ⅲ、Ⅳ类煤
W-01555~75主要为Ⅰ类煤,少量为Ⅱ类煤75~90Ⅱ类煤65~180主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01662~68主要为Ⅰ类煤,少量为Ⅱ类煤56~72主要为Ⅰ类煤,少量为Ⅱ类煤85~235主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01760~70Ⅰ类煤90~100Ⅱ类煤80~152主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01860~70Ⅰ类煤55~70Ⅰ类煤90~165主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01975~90Ⅱ类煤75~119Ⅱ、Ⅲ、Ⅳ类煤90~280Ⅲ、Ⅳ类煤
W-02065~90Ⅰ、Ⅱ类煤81~121Ⅱ、Ⅲ、Ⅳ类煤114~247Ⅲ、Ⅳ类煤
), ArticleFig(id=1322957402873668181, tenantId=1146029695717560320, journalId=1322258508890079423, articleId=1322957393335820809, language=CN, label=表3, caption=

沁水盆地五里堠井田3号、4号煤层和15号煤层煤体结构

, figureFileSmall=null, figureFileBig=null, tableContent=
井号3号煤层4号煤层15号煤层
视电阻率/(Ω·m)煤体结构视电阻率/(Ω·m)煤体结构视电阻率/(Ω·m)煤体结构
W-00160~70Ⅰ、Ⅱ类煤70~80Ⅰ、Ⅱ类煤70~150Ⅱ、Ⅲ、Ⅳ类煤
W-00235~45Ⅰ类煤15~30Ⅰ类煤85~165Ⅱ、Ⅲ、Ⅳ类煤
W-00355~70Ⅰ、Ⅱ类煤60~105Ⅰ、Ⅱ类煤85~185主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-00480~82Ⅱ类煤85~128Ⅲ、Ⅳ类煤100~175Ⅲ、Ⅳ类煤
W-00580~95Ⅱ类煤65~105Ⅱ类煤110~185Ⅲ、Ⅳ类煤
W-00680~115Ⅱ、Ⅲ、Ⅳ类煤58~110Ⅱ、Ⅲ、Ⅳ类煤98~180Ⅲ、Ⅳ类煤
W-00767~80Ⅱ类煤93~133主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤66~142Ⅱ、Ⅲ、Ⅳ类煤
W-00870~78Ⅱ类煤62~85主要为Ⅱ类煤,少量为Ⅰ类煤93~152主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-00980~98Ⅱ类煤108~122主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤118~267Ⅲ、Ⅳ类煤
W-01068~71主要为Ⅰ类煤,少量为Ⅱ类煤82~103主要为Ⅱ类煤,少量为Ⅲ、Ⅳ类煤104~141主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01160~100主要为Ⅱ类煤,少量为Ⅰ类煤100~115主要为Ⅱ类煤,少量为Ⅲ、Ⅳ类煤102~205主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-012120~130Ⅲ、Ⅳ类煤105~110Ⅲ、Ⅳ类煤79~130Ⅱ、Ⅲ、Ⅳ类煤
W-01355~57Ⅰ类煤65~85主要为Ⅰ类煤,少量为Ⅱ类煤96~205主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01487~130主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤120~130Ⅲ、Ⅳ类煤70~190Ⅲ、Ⅳ类煤
W-01555~75主要为Ⅰ类煤,少量为Ⅱ类煤75~90Ⅱ类煤65~180主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01662~68主要为Ⅰ类煤,少量为Ⅱ类煤56~72主要为Ⅰ类煤,少量为Ⅱ类煤85~235主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01760~70Ⅰ类煤90~100Ⅱ类煤80~152主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01860~70Ⅰ类煤55~70Ⅰ类煤90~165主要为Ⅲ、Ⅳ类煤,少量为Ⅱ类煤
W-01975~90Ⅱ类煤75~119Ⅱ、Ⅲ、Ⅳ类煤90~280Ⅲ、Ⅳ类煤
W-02065~90Ⅰ、Ⅱ类煤81~121Ⅱ、Ⅲ、Ⅳ类煤114~247Ⅲ、Ⅳ类煤
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五里堠井田不同构造部位煤层气储层物性及产气差异研究
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王瑞 1 , 谭学斌 2 , 陈瑞杰 1 , 韩勇 1
油气藏评价与开发 | 油气开发 2026,16(2): 394-403
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油气藏评价与开发 |油气开发 2026 , 16 (2) : 394 -403
五里堠井田不同构造部位煤层气储层物性及产气差异研究
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王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

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王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

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王瑞1 , 谭学斌2, 陈瑞杰1, 韩勇1
作者信息
  • 1 山西潞安金源煤层气开发有限责任公司,山西   长治 046204
  • 2 河南理工大学能源科学与工程学院,河南   焦作 454000
通讯作者:
谭学斌(1997—),男,在读博士研究生,从事煤系气开发研究工作。地址:河南省焦作市世纪大道2001号河南理工大学,邮政编码:454000。E-mail:
作者简介:

王瑞(1987—),男,本科,高级工程师,从事煤层气开发与开采工作。地址:山西省长治市襄垣县侯堡镇金源煤层气公司,邮政编码:046204。E-mail:

Study on physical properties and gas production differences of coalbed methane reservoirs in different structural locations of Wulihou mine field
RUI WANG1 , XUEBIN TAN2, RUIJIE CHEN1, YONG HAN1
Affiliations
  • 1 Shanxi Lu’an Jinyuan Coalbed Methane Development Co., Ltd., Changzhi, Shanxi 046204, China
  • 2 School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China
出版时间: 2026-03-26 doi: 10.13809/j.cnki.cn32-1825/te.2025014
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五里堠  /  合层排采  /  构造曲率  /  储层物性  /  产气表现
Wulihou  /  multilayer drainage and production  /  structural curvature  /  reservoir properties  /  gas production performance
王瑞, 谭学斌, 陈瑞杰, 韩勇. 五里堠井田不同构造部位煤层气储层物性及产气差异研究. 油气藏评价与开发, 2026 , 16 (2) : 394 -403 . DOI: 10.13809/j.cnki.cn32-1825/te.2025014
RUI WANG, XUEBIN TAN, RUIJIE CHEN, YONG HAN. Study on physical properties and gas production differences of coalbed methane reservoirs in different structural locations of Wulihou mine field[J]. Petroleum Reservoir Evaluation and Development, 2026 , 16 (2) : 394 -403 . DOI: 10.13809/j.cnki.cn32-1825/te.2025014
随着煤层气开发深度的增加,合层排采技术已成为当前高效开发多煤层煤层气资源的常用手段之一[1-4]。然而,由于煤层间沉积环境分异及构造变形程度差异,同一位置不同埋深的储层往往呈现不同的物性特征,进而直接影响煤层气合层排采井的产能[5-9]。因此,深入研究不同构造部位煤层气储层的物性差异及其对产气的影响,对于提升开发效率和优化开采策略具有重要意义。
煤层气的富集与产出受控于煤层成因、埋深、构造特征及物化性质等多因素耦合作用[10-13]。不同构造部位(如褶皱带、断层带、倾斜地层区及平坦地层区等)因其独特的构造特征,煤储层的孔隙度、渗透率和力学参数等存在显著差异,从而直接影响其产气潜力[14-17]。准确获取这些参数不仅有助于理解煤层特性的成因机制,也能有效提升煤层气的开发效率。目前,煤储层物性参数的获取方法主要包括实验室分析法、地质评估和地球物理探测法。实验室分析法通过对采集的煤样进行纳米CT、核磁共振显微观测、气体吸附、渗透率测试等系统性实验精确测定参数,但存在测试周期长、设备要求高等局限性[18-22]。地质评估法则主要依据煤层地质特征和矿区历史资料,结合岩心观察分析或使用已有的地质数据构建的三维地质模型来获取区域物性参数,其评估结果往往较大程度的依赖于历史资料的完备性[23-27]。地球物理探测方法通过对钻孔测井信号进行解释获取储层参数,其优势在于避免了直接扰动煤层,保持了储层的原始状态;然而,其解释方法及结果受限于分辨率,存在一定复杂性[28-31]。尽管已有研究关注构造背景与物性参数之间的关系,但针对不同构造部位煤储层物性系统对比的研究仍较为缺乏。
综上所述,通过集成多种技术手段,精准对比不同构造部位的煤储层物性参数及产气差异,可为研究区合采井位部署提供科学依据。基于目标开发层位(3号+4号煤层和15号煤层)的煤层底板等高线与构造曲率特征划分构造单元,结合勘查资料与实验室测试数据,系统对比不同构造单元的储层物性特征及其产气差异,揭示产气潜力分异机制,从而为煤层气合层开发提供理论依据与实践指导。
五里堠井田位于沁水盆地东北部边缘,地处太行山隆起褶皱带。沁水盆地东部发育走向NE的单斜构造,地层倾向西。区内主体构造以NNE向宽缓褶曲为主,并叠加近EW向构造与之复合。在印支期,该区受SEE-NWW向挤压应力控制;新生代后,则主要受NNE-SSW向挤压应力作用。研究区整体为NWW向单斜构造,地层倾角介于6°~20°。煤层埋深总体呈东浅西深特征,区内主要地质构造类型为陷落柱、正断层和宽缓褶曲。区内发育多套地层,由老至新依次为:奥陶系、石炭系中统本溪组、石炭系上统太原组、二叠系下统山西组、二叠系下统石盒子组、二叠系上统石盒子组。其中,山西组3号+4号煤层和太原组15号煤层为主要可采煤层。3号+4号煤层埋深介于320~640 m,厚度介于1.75~2.85 m;15号煤层埋深介于470~750 m,厚度介于4.4~9.6 m。
采用煤储层走向和构造曲率对研究区构造部位进行划分。根据研究区构造曲率(k)分布特征:k < -20×10⁻⁵ m-1的区域划分为向斜部位;[-20,20]×10⁻⁵ m-1的区域为构造平缓型部位;k > 20×10⁻⁵ m-1的区域则划分为背斜部位。煤层底板等高线和构造曲率分布见图1,划分结果见表1。煤层底板某点构造曲率k的计算公式如下:
k=z″/(1+z'2)3/2
式中:k为曲率,单位m-1;z′为曲线在某点的一阶导数(斜率);z″为二阶导数(斜率的变化率)。
研究区3号+4号煤层的构造曲率为(-58.21~65.78)×10-5 m-1,15号煤层的构造曲率为(-43.93~57.10)×10-5 m-1。根据不同井位3号+4号煤层和15号煤层所属构造部位,将其划分为背斜-背斜型、背斜-平缓型、向斜-向斜型、向斜-平缓型、平缓-平缓型、平缓-背斜型和平缓-向斜型7种类型。随着埋深的增加,向斜部位的煤层气井3号+4号煤层的构造曲率绝对值往往大于15号煤层,背斜部位的煤层气井3号+4号煤层的构造曲率绝对值往往小于15号煤层。说明向斜部位上部煤层受到较大构造变形,而背斜部位下部煤层受到的构造变形更为显著。
1)显微组分
当煤储层受到构造变形时,煤体破碎程度增加,也会导致其吸附解-吸特性存在差异。采集研究区W-001井、W-004井和W-017井煤样,进行显微观测、工业分析和等温吸附实验,结合前人对不同地区构造-含气性相关研究成果[32-33],分析不同构造部位煤储层垂向显微组分和吸附特性差异。结果见表2和图2。
由图2可知,在构造曲率较大的区域,煤的镜质组可能会出现破碎、拉长等现象,由于应力集中,可能会进一步影响到煤的变质过程,使得显微组分中的镜质组反射率升高,化学结构更加致密。
由表2可知,W-001井处于背斜-平缓构造部位,随埋深增加,储层变形程度降低,灰分含量增大,Langmuir体积降低;W-004处于平缓-背斜构造部位,储层变形程度逐渐增高,灰分含量先增大后减小,Langmuir体积先升高后降低,降低幅度大于W-001井;W-017处于平缓-向斜构造部位,储层变形程度增高,灰分含量先上升,继以波动剧烈、最终急速下降,Langmuir体积先急剧降低后再恢复。说明储层构造变形程度也会影响煤的吸附特性,当储层受到强烈构造变形作用,储层的灰分含量降低,Langmuir体积从而增强,进而表现为储层吸附能力的减弱,但在特定构造或应力作用下,灰分含量和Langmuir体积也会出现转折或者波动变化。
2)含气性
煤储层的含气性特征是决定其是否具有开发价值的主要因素之一,利用钻井取心含气量测试,结合测井参数,可以获取到研究区主力煤层的含气量分布特征。
由图3可知,研究区3号与4号煤层含气量相近,与15号煤层变化趋势趋于一致。煤层含气量自东向西含气量逐步增大。研究区东部,3号与4号煤层、15号煤层的含气量最低值约为8 m³/t,西部含气量较高,3号与4号煤层部分区域含气量约为14 m³/t,15号煤层的含气量最大值超过15 m³/t。北部区域煤层含气量略高于南部。当煤层气井位于背斜部位时,储层受拉伸作用,张性裂隙发育,为气体逸散提供了通道,导致含气量降低;当位于向斜部位时,煤体受挤压作用,孔隙和裂隙被压缩,气体逸散通道减少,有利于气体保存,含气量相对较高。
1)煤体结构
地质构造运动会增加煤储层的破碎程度,通常将煤体结构划分为原生结构煤(Ⅰ类)、碎裂煤(Ⅱ类)、碎粒煤(Ⅲ类)和糜棱煤(Ⅳ类)4种类型。根据钻井取心观测、测井视电阻率曲线等资料,对研究区煤体结构进行划分(表3)。研究区W-004井煤样的煤体结构现场观测结果见图4。
如表3和图4所示:研究区3号+4号煤层煤体结构以Ⅰ、Ⅱ类煤为主,部分为Ⅲ、Ⅳ类煤;15号煤层则以Ⅲ、Ⅳ类煤为主,部分煤层段发育Ⅱ类煤。在构造曲率较大区域,煤储层应力较为集中,导致煤体结构破碎程度高,裂隙发育程度高,视电阻率值较大。在背斜-背斜构造区和平缓-平缓区,煤层视电阻率整体处于低值区,变化幅度较小;垂向上煤储层煤体结构差异较小,整体结构完整性较好。在背斜-平缓过渡区和平缓-向斜过渡区,煤层视电阻率变化幅度较大,不同煤层间的煤体结构差异显著。而在向斜-平缓区、平缓-背斜过渡区以及向斜-向斜区,煤层视电阻率整体处于中高值区,变化幅度中等;不同煤层间的煤体结构差异较小,但整体结构完整性较差。
2) 渗透率特征
煤储层的渗透率特征是决定其是否具有开发价值的主要因素之一,根据以往煤层气井注入/压降试井测试结果,研究区3号+4号煤层的渗透率介于(0.052 1~0.058 1)×10-3 μm2,15号煤层的渗透率介于(0.017 2~0.021 0)×10-3 μm2,均属于较低渗透率煤层,15号煤层渗透率低于3号+4号煤层。根据煤体结构与渗透率的关系[34],对渗透率进行分析,研究区主力煤层渗透率的分布特征如图5所示。
由图5可知,研究区3号煤层中部和东部区域渗透率较好,最大值可达0.45×10-3 μm2;而西北部渗透率则较低,小于0.05×10-3 μm2。4号煤层与3号煤层埋深相近,煤体结构差异较小,渗透率分布特征与之较为接近。15号煤层中部(地层较为平缓,断层发育较少区域)渗透率最大约为0.20×10-3 μm2;南部因断层构造较为发育,渗透率显著降低,仅为约0.01×10-3 μm2。
煤储层含气量和渗透率是影响煤层气井产出的关键储层参数,根据对研究区煤层气井构造类型的划分结果,分析不同储层之间的构造曲率差值和储层含气量、渗透率差异之间的关系,见图6。
由图6可知,不同构造部位煤储层含气量差值(单位:m3/t)从高到低依次为(图6a):平缓-背斜型(1.55)>平缓-向斜型(1.42)>背斜-平缓型(1.41)>平缓-平缓型(1.32)>向斜-平缓型(1.06)>向斜-向斜型(0.77)>背斜-背斜型(0.58);不同构造部位煤储层渗透率差值(单位:10-3 μm2)排序为(图6b):背斜-平缓型(0.24)>向斜-平缓型(0.21)>平缓-向斜型(0.19)=背斜-背斜型(0.19)>向斜-向斜型(0.17)>平缓-平缓型(0.16)>平缓-背斜型(0.11)。
根据对研究区煤层气井构造类型的划分结果,系统搜集煤层气井产气数据,分析构造曲率差值、平均埋深和累计煤厚等参数对产气峰值的影响规律,各参数与产气峰值的关系见图7。
为了进一步分析各个参数对产气峰值的影响,采用多元回归模型量化构造曲率差值、埋深、煤厚对产气峰值的贡献权重:
Qm=-5476.55+29.11Δk+2.03Da+548.01Hc (R2 = 0.98, ∆k ≥ 0)
Qm=426.05-46.38Δk+0.75Da-1.67Hc (R2 = 0.90, ∆k < 0)
式中:Qm为合采井产气峰值,单位m3/d;∆k为构造曲率差值;Da为3号+4号煤层与15号煤层的平均埋深,单位m;Hc为3号+4号煤层与15号煤层的累计厚度,单位m;R2为决定系数。
由图7可知,构造曲率差值、平均埋深和累计煤厚等参数均与合采井产气峰值存在相关性。具体而言:当构造曲率差值大于0时,3号+4号煤层的构造变形程度大于15号煤层,此时构造曲率差值、平均埋深、累计煤厚与合采井产气峰值呈正相关;当构造曲率差值小于0时,3号+4号煤层的构造变形程度小于15号煤层,构造曲率差值、累计煤厚与产气峰值呈负相关,平均埋深与产气峰值呈正相关。忽略埋深和煤厚因素的影响,在进行煤层气井合层排采时,上下煤储层构造曲率差值越大,产气峰值越高。在实际开发过程中,即使是同一构造部位,上下煤储层的构造曲率也会存在差异。当上下煤储层构造曲率差值较大时,意味着空间上煤储层的变形程度差异显著,进而导致上下煤储层裂隙网络形成更好的协同效应。这种协同效应显著提升了气体解吸与运移的效率。在产气初期,大量煤层气能够通过这些高效的裂隙网络快速运移至井筒,从而推高了产气峰值。
研究区内,3号与15号煤储层的压裂改造工艺高度相似,且排采过程中的井底流压呈平稳下降趋势。因此,可忽略压裂改造工艺及排采制度差异对结果的影响。选取位于典型构造部位的煤层气井,对其排采曲线(图8)进行分析,进一步探讨不同构造部位储层物性差异对合层排采煤层气井排采特征的影响。
由图8可知:W-001井(背斜-平缓),3号煤层构造曲率为62.83×10⁻⁵ m⁻¹,15号煤层构造曲率为6.82×10⁻⁵ m⁻¹,构造曲率差值最大,该井产气表现最佳,产气峰值约为1 300 m³/d;W-014井(背斜-背斜),3号煤层构造曲率为43.58×10⁻⁵ m⁻¹。15号煤层构造曲率为57.10×10⁻⁵ m⁻¹,构造曲率差值相对较小,其产气表现次之,产气峰值约为600 m³/d,且能维持较长时间的稳产状态;W-015井(平缓-平缓),3号煤层构造曲率为16.84×10⁻⁵ m⁻¹,15号煤层构造曲率为4.77×10⁻⁵ m⁻¹,构造曲率差值最小,该井产气表现最差,产气峰值不足500 m³/d,且产量随排采时间延长显著下降。
1) 根据构造曲率分布特征,将储层划分为背斜-背斜型、背斜-平缓型、向斜-向斜型、向斜-平缓型、平缓-平缓型、平缓-背斜型和平缓-向斜型7种类型。
2) 查明了研究区不同构造位置垂向上3号+4号煤层和15号煤层的物性差异:储层变形程度越高,灰分含量越高,Langmuir体积越低,煤体结构越破碎。3号+4号煤层和15号煤层的构造曲率差值与含气量差值、渗透率差值呈现明显的包络线特征,其中,构造曲率差值与含气量差值呈负相关,与渗透率差值呈正相关。
3) 采用多元回归模型量化了构造曲率差值、埋深、煤厚对产气峰值的贡献权重。结果表明,累计煤厚、平均埋深与产气峰值存在相关性。构造曲率差值在大于0时,与合采井产气峰值呈正相关;小于0时,构造曲率差值、累计煤厚与合采井产气峰值呈负相关,平均埋深与合采井产气峰值呈正相关。对比典型井产气特征,背斜-背斜型、背斜-平缓型产气表现较好,产气峰值可以达到1 000 m3/d以上;平缓-平缓型、平缓-背斜型和平缓-向斜型产气表现波动性较大,产气峰值为200~1 200 m3/d;向斜-向斜型、向斜-平缓型产气表现较差,产气峰值约为200~500 m3/d。

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2026年第16卷第2期
15
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doi: 10.13809/j.cnki.cn32-1825/te.2025014
  • 接收时间:2025-06-13
  • 首发时间:2026-10-30
  • 出版时间:2026-03-26
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  • 收稿日期:2025-06-13
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    1 山西潞安金源煤层气开发有限责任公司,山西   长治 046204
    2 河南理工大学能源科学与工程学院,河南   焦作 454000

通讯作者:

谭学斌(1997—),男,在读博士研究生,从事煤系气开发研究工作。地址:河南省焦作市世纪大道2001号河南理工大学,邮政编码:454000。E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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