雷竞技app官方版下载ios-雷竞技官方平台
doi: 10.11781/sysydz202401011
1.
中国石油 西南油气田分公司 勘探开发研究院, 成都 610051
2.
西南石油大学 油气地质及开发工程全国重点实验室, 成都 610500
3.
西南石油大学 天然气地质四川省重点实验室, 成都 610500
4.
西南石油大学 地球科学与技术学院, 成都 610500
详细信息
中国石油 西南油气田分公司 勘探开发研究院, 成都 610051
西南石油大学 油气地质及开发工程全国重点实验室, 成都 610500
西南石油大学 天然气地质四川省重点实验室, 成都 610500
西南石油大学 地球科学与技术学院, 成都 610500
Shale oil reservoir characteristics and exploration implication in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
1.
Exploration and Development Research Institute, Southwest Oil & Gas Field Company, PetroChina, Chengdu, Sichuan 610051, China
2.
National Key Laboratory of Petroleum Geology and Development Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China
3.
Sichuan Provincial Key Laboratory of Natural Gas Geology, Southwest Petroleum University, Chengdu, Sichuan 610500, China
4.
School of Earth Science and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500, China
Exploration and Development Research Institute, Southwest Oil & Gas Field Company, PetroChina, Chengdu, Sichuan 610051, China
National Key Laboratory of Petroleum Geology and Development Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China
Sichuan Provincial Key Laboratory of Natural Gas Geology, Southwest Petroleum University, Chengdu, Sichuan 610500, China
School of Earth Science and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500, China
图 1 四川盆地构造单元划分、研究区位置(a)及侏罗系自流井组大安寨段地层特征(b)
据参考文献[13]修改。
Figure 1. Tectonic unit division of Sichuan Basin, location of study area (a) and stratigraphic characteristics of Da'anzhai Member of Jurassic Ziliujing Formation (b)
图 2 川中侏罗系自流井组大安寨段典型岩性特征
a.RA1井，3 474.74~7 474.99 m，块状泥晶生屑灰岩；b.RA1井，2 438.44~2 438.63 m，块状泥质介壳灰岩；c.RA1井，2 436.95~2 437.16 m，含生屑雷竞技app官方版下载ios与介壳灰岩纹层状(毫米级)互层；d.RA1井，2 487.6~2 487.78 m，含生物雷竞技app官方版下载ios与介壳灰岩层状(厘米级)互层；e.RA1井，2 443.61~2 443.74 m，块状含介壳泥岩；f.RA1井，3 292.99~3 293.21 m，块状页理状纯雷竞技app官方版下载ios；g.RA1井，3 481.28~3 481.53 m，粉砂质泥岩；h.Q20井，2 869.6 m，亮晶介壳灰岩；i.Q25井，2 859.18 m，泥晶生屑灰岩；j.LA1井，3 502.7 m，中层含泥介壳灰岩；k.LA1井，3 514.6 m，叠椎构造；l.LA1井，3 507.3 m，纹层含介壳黏土质雷竞技app官方版下载ios；m.LA1井，3 532.3 m，块状含粉砂黏土质雷竞技app官方版下载ios；n.LA1井，3 528.55 m，含介壳雷竞技app官方版下载ios；o.LA1井，3 487.06 m，页理状含粉砂黏土质雷竞技app官方版下载ios。
Figure 2. Typical lithological characteristics of Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 3 川中侏罗系自流井组大安寨段雷竞技app官方版下载ios储集空间类型
a.G6井，2 535.18 m，黏土矿物粒内孔；b.G6井，2 538.31 m，发育粒间孔，微裂缝定向排列；c.RA1井，2 458.6 m，方解石晶间孔；d.G6井，2 538.31 m，方解石晶间孔与微裂缝；e.G6井，2 538.31 m，泥质和钙质条带之间发育微裂缝；f.G6井，2 538.31 m，石英粒间孔；g.RA1井，2 462.1 m，半有机质孔，有机质边缘缝；h.RA1井，2 464.5 m，有机孔；i.RA1井，2 464.5 m，黄铁矿晶间孔。
Figure 3. Shale reservoir space types in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 4 川中侏罗系自流井组大安寨段不同岩相块状样品高压压汞进汞曲线及孔径分布
Figure 4. High pressure mercury injection curves and pore size distribution of different lithofacies of block samples in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 5 川中LA1井侏罗系自流井组大安寨段雷竞技app官方版下载ios层系不同岩相饱和水核磁共振T2谱图
Figure 5. Water-saturated NMR T2 spectrum of different lithofacies of shale series in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 6 川中侏罗系自流井组大安寨段不同岩相核磁共振孔隙体积相对占比统计
Figure 6. Statistical histograms of NMR pore volume relative proportion of different lithofacies in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 7 川中侏罗系自流井组大安寨段不同岩相核磁共振峰面积统计
Figure 7. Statistical histograms of NMR peak area of different lithofacies in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 8 川中侏罗系自流井组大安寨段雷竞技app官方版下载ios层系岩石矿物组成与孔隙度之间的关系
Figure 8. Relationship between rock mineral composition and porosity of shale series in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
图 9 川中侏罗系自流井组大安寨段各类岩相典型的单偏光照片及其对应的荧光照片
a.RA1，2 435.28 m，介壳灰岩，完整的介壳不发荧光；b.RA1，2 451.08 m，泥质介壳灰岩，介壳破碎缝和边缘缝含油；c.RA1，2 456.34 m，层状介壳雷竞技app官方版下载ios，泥岩基质孔和介壳破碎缝中含油；d.RA1，2 440.35，块状含介壳雷竞技app官方版下载ios，泥岩基质孔和介壳破碎缝中含油；e.RA1，2 464.5 m，黏土质泥雷竞技app官方版下载ios，微裂缝和基质孔中含油；f.G6井，2 549.32 m，页理状含粉砂黏土质雷竞技app官方版下载ios，微裂缝中含油。
Figure 9. Typical single-frequency polarized light photos of various lithofacies in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin and their corresponding fluorescence photos
图 10 川中侏罗系自流井组大安寨段不同岩相S1值和氯仿沥青“A”含量交会图
Figure 10. Cross plots of different lithofacies pyrolysis parameter S1 and chloroform bitumen "A" content in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
表 1 川中侏罗系自流井组大安寨段雷竞技app官方版下载ios孔隙类型及形态特征
Table 1. Pore types and morphologic characteristics of shale in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
下载: 导出CSV
表 2 川中侏罗系自流井组大安寨段不同岩相雷竞技app官方版下载ios(块状样品)高压压汞实验数据统计
Table 2. Statistics of high pressure mercury pressure experimental data of different lithofacies of shale (block samples) in Da'anzhai Member of Jurassic Ziliujing Formation in central Sichuan Basin
下载: 导出CSV
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