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咸化湖盆碎屑岩储层中铁白云石的溶蚀作用模拟实验研究

黄成刚 袁剑英 曹正林 张世铭 王莹 佘敏 米海杰

黄成刚, 袁剑英, 曹正林, 张世铭, 王莹, 佘敏, 米海杰. 咸化湖盆碎屑岩储层中铁白云石的溶蚀作用模拟实验研究[J]. 石油实验地质, 2014, 36(5): 650-655. doi: 10.11781/sysydz201405650
引用本文: 黄成刚, 袁剑英, 曹正林, 张世铭, 王莹, 佘敏, 米海杰. 咸化湖盆碎屑岩储层中铁白云石的溶蚀作用模拟实验研究[J]. 石油实验地质, 2014, 36(5): 650-655. doi: 10.11781/sysydz201405650
Huang Chenggang, Yuan Jianying, Cao Zhenglin, Zhang Shiming, Wang Ying, She Min, Mi Haijie. Simulation experiment for ankerite dissolution in clastic reservoir of saline lacustrine basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 650-655. doi: 10.11781/sysydz201405650
Citation: Huang Chenggang, Yuan Jianying, Cao Zhenglin, Zhang Shiming, Wang Ying, She Min, Mi Haijie. Simulation experiment for ankerite dissolution in clastic reservoir of saline lacustrine basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(5): 650-655. doi: 10.11781/sysydz201405650

咸化湖盆碎屑岩储层中铁白云石的溶蚀作用模拟实验研究

doi: 10.11781/sysydz201405650
基金项目: 中国石油重大科技专项“柴达木盆地建设千万吨油气田综合配套技术研究”(2011E-03)、国家油气专项“前陆盆地油气成藏规律、关键技术及目标评价”项目(2011ZX05003)和中国石油天然气股份有限公司勘探开发研究院青年创新基金联合资助。
详细信息
    作者简介:

    黄成刚(1979-),男,硕士,工程师,从事沉积储层研究。E-mail:12664018@qq.com。

  • 中图分类号: TE122.2

Simulation experiment for ankerite dissolution in clastic reservoir of saline lacustrine basin

  • 摘要: 一般研究认为岩石中的碳酸盐矿物在酸性条件下易发生溶蚀作用从而生成次生孔隙,进而增大岩石的储集空间和渗透性。柴达木盆地砂西地区始新统下干柴沟组碎屑岩储层为咸化湖盆沉积,偏光显微镜下和扫描电镜下可见石膏和铁白云石较为发育。通过流体—岩石动力学模拟实验研究得出,在地层条件下高温高压环境中铁白云石易发生溶蚀作用从而形成次生孔隙,石膏在其中起催化作用;铁白云石溶蚀生成的铁、镁离子为高岭石转化为绿泥石提供了必要的物质条件,生成的针叶状绿泥石极易堵塞较细的孔隙喉道造成了岩石渗透率的下降,但铁白云石等易溶矿物的溶蚀作用增加了岩石的孔隙度。

     

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出版历程
  • 收稿日期:  2013-08-10
  • 修回日期:  2014-07-03
  • 刊出日期:  2014-09-28

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