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川中地区蓬莱气区龙王庙组储层特征及其与磨溪-高石梯地区对比

邢凤存 刘子琪 钱红杉 李勇 周刚 张亚 黄茂轩 李成龙 龙虹宇

邢凤存, 刘子琪, 钱红杉, 李勇, 周刚, 张亚, 黄茂轩, 李成龙, 龙虹宇. 川中地区蓬莱气区龙王庙组储层特征及其与磨溪-高石梯地区对比[J]. 石油实验地质.
引用本文: 邢凤存, 刘子琪, 钱红杉, 李勇, 周刚, 张亚, 黄茂轩, 李成龙, 龙虹宇. 川中地区蓬莱气区龙王庙组储层特征及其与磨溪-高石梯地区对比[J]. 石油实验地质.
XING Fengcun, LIU Ziqi, QIAN Hongshan, LI Yong, ZHOU Gang, ZHANG Ya, HUANG Maoxuan, LI Chenglong, LONG Hongyu. Characteristics of Longwangmiao reservoirs in Penglai gas area and comparison with those in Moxi-Gaoshiti area, central Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT.
Citation: XING Fengcun, LIU Ziqi, QIAN Hongshan, LI Yong, ZHOU Gang, ZHANG Ya, HUANG Maoxuan, LI Chenglong, LONG Hongyu. Characteristics of Longwangmiao reservoirs in Penglai gas area and comparison with those in Moxi-Gaoshiti area, central Sichuan Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT.

川中地区蓬莱气区龙王庙组储层特征及其与磨溪-高石梯地区对比

基金项目: 

国家自然科学基金"川东北早三叠世飞仙关期同期多排碳酸盐台缘带不对称沉积结构及成因"(41302089)和"川北江油-剑阁地区早三叠世近源重力流滑塌砾石早期白云石化记录及其地质意义"(41672103)联合资助。

详细信息
    作者简介:

    邢凤存(1978-),男,博士,副教授,博士生导师,从事沉积学、油气储层地质学等方面的教学和科研工作。E-mail:xingfengcun@163.com。

  • 中图分类号: TE122.23

Characteristics of Longwangmiao reservoirs in Penglai gas area and comparison with those in Moxi-Gaoshiti area, central Sichuan Basin

  • 摘要:

    川中蓬莱气区下寒武统龙王庙组钻遇良好碳酸盐岩储层,天然气显示好,成为继川中地区安岳大气田后龙王庙组重点勘探区之一,但储层发育规律不明制约了勘探部署。基于最新的钻井及分析测试等资料,系统分析了蓬莱气区龙王庙组储层特征及主控因素。研究认为,蓬莱气区龙王庙组具有陆源碎屑与碳酸盐混合沉积背景,储层主要分布在龙王庙组中上部;储集岩石类型主要为(残余)颗粒白云岩和结晶白云岩;储集空间类型主要为粒间溶孔、粒内溶孔、晶间溶孔及微裂缝;以低孔低渗储层为主,储层厚度主要介于10~42 m之间。储层发育受控于层序地层、岩性及成岩作用等,进积型准层序组和准层序中上部的(残余)颗粒白云岩和结晶白云岩是储层发育主要部位,大气淡水溶蚀、油气溶蚀作用及破裂作用是核心建设性成岩作用。对比安岳大气田主体区磨溪-高石梯地区,认为储层主控因素相近,主要受颗粒白云岩、溶蚀作用、破裂作用等控制,但蓬莱气区龙王庙组储层具有灰质含量高、陆源碎屑含量多、准同生期暴露弱等特点,寻找准同生期暴露的高能颗粒白云岩和细晶白云岩及表生岩溶改造的白云岩是蓬莱气区重点关注的储层目标。

     

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  • 收稿日期:  2023-06-19
  • 网络出版日期:  2023-08-25

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