| 陕北韩渠油田长2储层伤害地质因素分析 |
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| 引用本文： | 吴亮, 李雪雁, 段小群. 陕北韩渠油田长2储层伤害地质因素分析[J]. 石油实验地质, 2000, 22(1): 81-84. doi: 10.11781/sysydz200001081 |
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| 作者姓名： | 吴亮 李雪雁 段小群 |
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| 作者单位： | 中国新星石油公司 华北石油局规划院, 郑州 450006 |
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| 基金项目： | 华北石油局局控项目.陕北韩渠油田新增储量报告,1997. |
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| 摘 要： | 通过对陕北韩渠油田长2储层的岩性、物性、孔隙特征、填隙物成分及地层流体的分析和研究,探讨了油田勘探开发过程中引起长2储层伤害的主要地质因素,认为有机垢堵塞、酸敏以及水锁效应是导致长2储层伤害的主要地质因素,水敏、速敏及流体性质也可引起一定程度的储层伤害。在油田开发过程中,建议向地层中注入防蜡剂、粘土稳定剂、铁离子稳定剂、控制注入水的水质标准及增加采油压差等方法来预防或减轻可能出现的储层伤害。
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| 关 键 词： | 地质因素 储层伤害 韩渠油田 陕北 |
| 文章编号： | 1001-6112(2000)01-0081-04 |
| 收稿时间： | 1999-03-16 |
| 修稿时间： | 1999-03-16 |
AN ANALYSIS OF GEOLOGICAL FACTORS OF C-2 RESERVIOR INJURY IN HANQU OIL FIELD,NORTH SHAANXI |
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| WU Liang, LI Xue-yan, DUAN Xiao-qun. AN ANALYSIS OF GEOLOGICAL FACTORS OF C-2 RESERVIOR INJURY IN HANQU OIL FIELD, NORTH SHAANXI[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2000, 22(1): 81-84. doi: 10.11781/sysydz200001081 |
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| Authors: | WU Liang LI Xue-yan DUAN Xiao-qun |
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| Affiliation: | Research Institute of North China Petroleum Bureau, CNSPC, Zhengzhou 450006, China |
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| Abstract: | Based on analysis of lithology,physical porperties,pore feature,pore filling mineral composition and formation fluid in reservior C-2 in Hanqu oil field of northern Shaanxi,the authors discussed the main geological factors related to injury of reservior C-2 during exploration and exploitation.Organic dirt,acid sensitivity and water lock effect are the main factors caused injury of reservior C-2,and water sensitivity,velocity sensitivity and fluid property are the minor factors.As a result,some suggestions are proposed to avoid reservior injury during development,such as injection of wax proof agent,clay stabilzing agent and Fe 3+stabilizing agent etc. |
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| Keywords: | geological factors reservior injury Hanqu oil fiele North Shaanxi |
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