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松辽盆地梨树断陷东南斜坡带营城—沙河子组储层特征及主控因素

韩志艳 周卓明 杨昊 宋振响

韩志艳, 周卓明, 杨昊, 宋振响. 松辽盆地梨树断陷东南斜坡带营城—沙河子组储层特征及主控因素[J]. 石油实验地质, 2018, 40(3): 345-352. doi: 10.11781/sysydz201803345
引用本文: 韩志艳, 周卓明, 杨昊, 宋振响. 松辽盆地梨树断陷东南斜坡带营城—沙河子组储层特征及主控因素[J]. 石油实验地质, 2018, 40(3): 345-352. doi: 10.11781/sysydz201803345
HAN Zhiyan, ZHOU Zhuoming, YANG Hao, SONG Zhenxiang. Reservoir characteristics and main controlling factors of Yingcheng-Shahezi formations in southeast ramp region of Lishu Fault Depression, Songliao Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 345-352. doi: 10.11781/sysydz201803345
Citation: HAN Zhiyan, ZHOU Zhuoming, YANG Hao, SONG Zhenxiang. Reservoir characteristics and main controlling factors of Yingcheng-Shahezi formations in southeast ramp region of Lishu Fault Depression, Songliao Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2018, 40(3): 345-352. doi: 10.11781/sysydz201803345

松辽盆地梨树断陷东南斜坡带营城—沙河子组储层特征及主控因素

doi: 10.11781/sysydz201803345
基金项目: 中国石化科技开发部项目“梨树断陷基岩油气藏勘探潜力及区带评价”(P14041)资助。
详细信息
    作者简介:

    韩志艳(1978-),女,硕士,工程师,从事油气地质研究。E-mail:hanzy.syky@sinopce.com。

  • 中图分类号: TE122.23

Reservoir characteristics and main controlling factors of Yingcheng-Shahezi formations in southeast ramp region of Lishu Fault Depression, Songliao Basin

  • 摘要: 松辽盆地梨树断陷下白垩统营城—沙河子组砂岩储层非均质性强,钻探成功率较低。通过岩心观察、薄片鉴定及定量统计、孔渗分析、压汞等研究,认为梨树断陷东南斜坡带营城—沙河子组储层以含砾细砂岩为主,其次为细砂岩、中砂岩,具有粗碎屑、石英含量较低,分选、磨圆较差等组构特征;岩石类型为长石岩屑砂岩、岩屑砂岩、岩屑长石砂岩及少量长石砂岩,长石和岩屑含量高,填隙物以泥质、方解石为主;储层物性较差,非均质性强,整体为特低孔、特低渗储层。储层孔隙类型有原生粒间孔、次生溶孔、裂隙等,以原生孔为主,个别地区以裂隙为主。储层的孔隙发育受沉积环境和成岩作用的控制,晚期构造裂隙作用不可忽视。储层成岩作用类型多样,胶结充填和机械压实作用使原生孔隙大量减少,溶蚀和构造破裂则有效改善了储层的物性;特别是晚期构造裂隙作用,产生了不同类型的裂隙,增加了孔隙空间及渗透性,这可能是东南斜坡带秦家屯、金山等地区形成高产油气田的重要原因之一。

     

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  • 收稿日期:  2017-10-27
  • 修回日期:  2018-03-29
  • 刊出日期:  2018-05-28

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