[1]冯娟萍,郭艳琴,董海波,等.何家集区延长组储层特征及其主控因素分析[J].西安科技大学学报,2009,(02):195-199.
 FENG Juan-ping,GUO Yan-qin,DONG Hai-bo,et al..Basic characteristics of Yanchang Formation reservoir in Hejiaji area and their main control factors[J].Journal of Xi'an University of Science and Technology,2009,(02):195-199.
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何家集区延长组储层特征及其主控因素分析()
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2009年02期
页码:
195-199
栏目:
出版日期:
2009-04-11

文章信息/Info

Title:
.Basic characteristics of Yanchang Formation reservoir in Hejiaji area and their main control factors
文章编号:
1672-9315(2009)02-0195-05
作者:
冯娟萍1郭艳琴2董海波3加 进3张 鸣3任艳峰3
1. 西安科技大学 地质与环境学院,陕西 西安 710054; 2. 西安石油大学 油气资源学院, 陕西 西安 710065; 3. 延长油田股份有限公司,陕西 延安 717111
Author(s):
FENG Juan-ping1GUO Yan-qin2DONG Hai-bo3JIA Jin3ZHANG Ming3REN Yan-feng3
1.College of Geology and Environment,Xi'an University of Science and Technology,Xi'an 710054,China; 2.Institute of Oil and Gas Resources,Xi'an Shiyou University,Xi'an 710065,China; 3. Yanchang Oilfield Limited-Liability Company, Yan'an 717111, China
关键词:
何家集区 延长组 储层特征 储层物性控制因素
Keywords:
Hejiaji area Yanchang formation reservoir characteristic control factor of reservoir property
分类号:
TE122.23
文献标志码:
A
摘要:
何家集区延长组长4+5-长6储集层岩石类型以中-细粒长石砂岩为主,颗粒间多为线、点-线接触,加大-孔隙式和孔隙-薄膜式胶结,总体具有成分成熟度低、结构成熟度较高的特征。粒间孔和长石溶孔是主要的储集空间,其中以大孔和中孔为主,绝大多数渗透率<10×10-3 μm2,主要为特低渗储层和接近致密储层。沉积相带、矿物成分及砂岩粒径等是影响研究区储集层性质的关键因素。另外,较强的压实作用、胶结作用也是该区形成低孔低渗储集层的重要因素,而溶蚀作用是储层物性
Abstract:
Medium-fine arkose is mainly sandstone of the Chang 4+5-Chang 6 reservoir of Yanchang Formation in Hejiaji area. There have line and point-line contact forms which are overgrowth-pore and pore-thin film cementation between rock grains. The Chang4+5-6 reservoir is characterized by low component maturity and upper textural maturity. The main pore types are granular pore and secondary feldspar-dissolution pore which are composed of megalospore and axial canal mainly. The Chang 6 reservoir are super low permeability and accessed densified reservoir of which the majority permeability less than 10×10-3 μm2. The sedimentary facies, mineral composition and grain diameter of the sandstones are the key factors of influencing the reservoir formation and evolution. Furthermore,the strong compaction and cementation are the main factors which result in the low porosity and low permeability of the reservoir, while dissolution is the main factor for improving the physical property porosity of the reservoir.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2008-10-10 基金项目: 国家重点基础研究发展规划项目(2003CB214602); 陕西省自然科学基础研究计划项目(2006z02) 作者简介: 冯娟萍(1978-),女,陕西岐山人,博士,工程师,主要从事石油地质研究.
更新日期/Last Update: 2009-04-11