| 濮城油田南区沙二上4～7储层低渗透成因研究 |
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| 引用本文： | 王勇,钟建华,杨和山,王夕宾,王海侨. 濮城油田南区沙二上4～7储层低渗透成因研究[J]. 断块油气田, 2005, 12(2): 20-23 |
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| 作者姓名： | 王勇 钟建华 杨和山 王夕宾 王海侨 |
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| 作者单位： | 1. 石油大学地球资源与信息学院,东营
2. 石油大学地球资源与信息学院,东营;中国科学院广州地球化学研究所 |
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| 基金项目： | 中石化“十条龙”科技攻关项目“濮城油田稳产基础技术研究与应用”资助(编号:p0308) |
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| 摘 要： | 濮城油田南区沙二上4～7砂层组为湖退式三角洲前缘相，主要发育有水下分流河道、河口砂坝及远砂坝等微相。孔隙空间主要是原生孔隙、次生孔隙和微裂缝，孔隙结构有大孔细喉型、中孔细喉型、小孔细喉型和小孔微细喉型4种类型。研究层段属低渗透储层，储层物性主要受沉积环境、压实作用、溶蚀作用、胶结作用、非均质性、重结晶作用及构造等因素综合影响。
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| 关 键 词： | 濮城油田 储层 低渗透油田 非均质性 孔隙结构 沉积环境 压实作用 油田开发 |
| 修稿时间： | 2004-12-25 |
The Study of Low Permeable Genesis of Es2 Upper 4-7 Sandbody Group Reservior in the Southern Area of Pucheng Oilfield |
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| Wang Yong. The Study of Low Permeable Genesis of Es2 Upper 4-7 Sandbody Group Reservior in the Southern Area of Pucheng Oilfield[J]. Fault-Block Oil & Gas Field, 2005, 12(2): 20-23 |
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| Authors: | Wang Yong |
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| Abstract: | Es2 member upper 4-7 group, in the southern area of Pucheng oilfield, is characterized by the transgression delta front sediment, and the reservior micro-sedimentary facies include underwater channel, and river mouth bars and distal bar and so on. The pore spaces are completely dominated by primary porosity and pores,vogs and fractures with secondary origin. The pore structures include large pore with fine throat, medium pore with fine throat, small pore with fine throat and small pore with microthroat. The reservoir quality is strongly influenced by sedimentary environment, compaction, dissolution, cementation, re-crystallization and structures. |
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| Keywords: | Delta front Microfacies Sedimentary environment Pore structurescyclic Anisotropy |
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