[1]袁广金,宋思媛.下寺湾油田延长组储层裂缝特征及对注水开发影响[J].西安科技大学学报,2014,(05):569-573.[doi:10.13800/j.cnki.xakjdxxb.2014.0511]
 YUAN Guang-jin,SONG Si-yuan.Reservoir fracture characteristics of Xiasiwan oil fields Yanchang formation and its effect on water injection development[J].Journal of Xi'an University of Science and Technology,2014,(05):569-573.[doi:10.13800/j.cnki.xakjdxxb.2014.0511]
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下寺湾油田延长组储层裂缝特征及对注水开发影响(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2014年05期
页码:
569-573
栏目:
出版日期:
2014-10-31

文章信息/Info

Title:
Reservoir fracture characteristics of Xiasiwan oil fields Yanchang formation and its effect on water injection development
作者:
袁广金1宋思媛2
1.陕西延长石油(集团)有限责任公司,陕西 西安 710054; 2.长安大学,陕西 西安 710054
Author(s):
YUAN Guang-jin1SONG Si-yuan2
1.Shaanxi Yanchang Petroleum(Group)Co.,Ltd.,Xi'an 710054,China; 2.Chang'an University,Xi'an 710054,China
关键词:
储层裂缝 注水开发 延长组 下寺湾油田 鄂尔多斯盆地
Keywords:
reservoir fracture water injection development Yanchang formation Xiasiwan oil field Ordos Basin
分类号:
P 512
DOI:
10.13800/j.cnki.xakjdxxb.2014.0511
文献标志码:
A
摘要:
为了明确下寺湾油田延长组储层裂缝发育特征,提高高产裂缝井勘探及注水开发效果,通过岩芯、显微薄片多尺度裂缝描述及常规测井裂缝识别,并结合注水开发动态,分析储层裂缝特征及其注水开发影响。研究表明:下寺湾油田延长组储层裂缝发育,微裂缝面孔率约占0.5%~1%,以高角度未充填张性构造裂缝为主,主要分布在柴窑及美泉一带; 裂缝在各个层位均有发育,且自下而上具有很好的连续性; 主要发育三组裂缝,其中以北东80°最为发育,造成注水见效快,见水快,水淹快。通过以上研究认为控制主方向裂缝的注水强度、周期注水、井网优化,最终形成不等井距的沿裂缝线状注水井网是裂缝发育区注水开发和改善特低渗储层注水开发效果的综合调整方向。
Abstract:
To mark the development characteristics of the fractured reservoir of Xiasiwan Oil fields Yanchang formation clearly,improve high-yielding fractured wells exploration and the water injection results,we analyze the effect of fracture characteristics and water injection through core,multi-scale microscopic section to descripe cracks and conventional logging fracture identification.Study has shown that:The reservoir fracture develops,whose microfracture face rate is about 0.5~1%,and the mian cracks are unfilled high angle extensional tectonic cracks,and mainly distributes in the Chaiyao and Meiquan area; cracks are developed in the various layers,and are bottom-up with good continuity; reservoir mainly develops cracks in three groups,which the most development is northeast 80 degrees,causing water injection quick,seeing the water quickly,flooding fast.Through these studies suggest that controling the main direction cracks's water injection intensity,injection cycle and well network optimization,eventually forming different well spacing linear water injection network which injects water along cracks are the comprehensive reorientation to make water injection program and improve the water injection result of ultra-low permeability reservoir.

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备注/Memo

备注/Memo:
基金项目:中国博士后基金“鄂尔多斯盆地南部特低渗储层精细评价及地质模型研究”(20070420489) 通讯作者:袁广金(1971-),男,陕西吴起人,工程师,E-mail:642622216@qq.com
更新日期/Last Update: 2014-09-15