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川东南五峰组—龙马溪组与黔东南牛蹄塘组页岩储层特征对比分析与差异性探讨

王濡岳 胡宗全 聂海宽 刘忠宝 陈前 高波 刘光祥 龚大建

王濡岳, 胡宗全, 聂海宽, 刘忠宝, 陈前, 高波, 刘光祥, 龚大建. 川东南五峰组—龙马溪组与黔东南牛蹄塘组页岩储层特征对比分析与差异性探讨[J]. 石油实验地质, 2018, 40(5): 639-649. doi: 10.11781/sysydz201805639
引用本文: 王濡岳, 胡宗全, 聂海宽, 刘忠宝, 陈前, 高波, 刘光祥, 龚大建. 川东南五峰组—龙马溪组与黔东南牛蹄塘组页岩储层特征对比分析与差异性探讨[J]. 石油实验地质, 2018, 40(5): 639-649. doi: 10.11781/sysydz201805639
WANG Ruyue, HU Zongquan, NIE Haikuan, LIU Zhongbao, CHEN Qian, GAO Bo, LIU Guangxiang, GONG Dajian. Comparative analysis and discussion of shale reservoir characteristics in the Wufeng-Longmaxi and Niutitang formations: a case study of the well JY1 in SE Sichuan Basin and well TX1 in SE Guizhou area[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(5): 639-649. doi: 10.11781/sysydz201805639
Citation: WANG Ruyue, HU Zongquan, NIE Haikuan, LIU Zhongbao, CHEN Qian, GAO Bo, LIU Guangxiang, GONG Dajian. Comparative analysis and discussion of shale reservoir characteristics in the Wufeng-Longmaxi and Niutitang formations: a case study of the well JY1 in SE Sichuan Basin and well TX1 in SE Guizhou area[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(5): 639-649. doi: 10.11781/sysydz201805639

川东南五峰组—龙马溪组与黔东南牛蹄塘组页岩储层特征对比分析与差异性探讨

doi: 10.11781/sysydz201805639
基金项目: 

国家自然科学基金项目(41202103,41872124),国家油气重大专项(2017ZX05036002-001,2016ZX05061001-002和2016ZX05034004-003)和中国石化科技开发部项目(P17027-2)联合资助。

详细信息
    作者简介:

    王濡岳(1990-),男,博士,工程师,从事非常规油气地质研究。E-mail:wry1990@vip.qq.com。

  • 中图分类号: TE122.2

Comparative analysis and discussion of shale reservoir characteristics in the Wufeng-Longmaxi and Niutitang formations: a case study of the well JY1 in SE Sichuan Basin and well TX1 in SE Guizhou area

  • 摘要: 以川东南JY1井五峰组—龙马溪组与黔东南TX1井牛蹄塘组为例,依据矿物学、有机地球化学、孔隙结构、甲烷吸附性、岩石力学和裂缝发育特征等对页岩储层发育特征进行系统对比分析。结果表明:(1)龙马溪组储集空间以迁移有机质(固体沥青)内部有机孔为主,孔径较大,可达微米级;牛蹄塘组有机孔发育程度低,有机孔径普遍小于30 nm,碎粉状有机—无机矿物粒间孔为重要储集空间,裂缝发育程度高,孔隙结构更为复杂,甲烷吸附/解吸能力更强;五峰组孔隙与裂缝发育规模介于龙马溪组与牛蹄塘组之间。(2) TOC含量与脆性的分段式关系使储层孔隙与裂缝发育特征存在显著差异,当w(TOC)<6%时,五峰组—龙马溪组与牛蹄塘组TOC含量、脆性、有机/无机孔与裂缝协同发育;当w(TOC)>6%时,牛蹄塘组塑性增强使裂缝总量降低,但具有擦痕面的滑脱和压扭/张扭性裂缝数量增加,裂缝有效性与储集空间得到显著改善。(3)龙马溪组、五峰组和牛蹄塘组代表不同地质条件下储层演化的阶段性特征:随热演化、成岩和构造(与泄压)作用的增强,有机孔规模逐渐降低,孔隙结构趋于复杂,甲烷吸附/解吸能力增强,无机孔与裂缝对储集空间贡献逐渐增大。

     

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出版历程
  • 收稿日期:  2018-05-17
  • 修回日期:  2018-07-12
  • 刊出日期:  2018-09-28

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