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| 葡南油田低渗透储层应力敏感性研究 | |
| 引用本文： | 王雅春. 葡南油田低渗透储层应力敏感性研究[J]. 科学技术与工程, 2011, 11(1): 138-141,145 |
| 作者姓名： | 王雅春 |
| 作者单位： | 1. 东北石油大学地球科学学院,大庆,163318;中国石油大学资源与信息学院,北京,102249 2. 东北石油大学地球科学学院,大庆,163318 3. 大庆油田有限责任公司第七采油厂,大庆,163000 |
| 基金项目： | 黑龙江省教育厅科学技术研究项目(11531z13)资助 |
| 摘 要： | 通过实验模拟地层在不同上覆压力下,孔隙度、渗透率的变化,研究低渗透储层的应力敏感性。其在增压过程中孔隙度和渗透率随着压力的增加而明显降低;在压力降低或撤除后,由于造成了岩石应力敏感性损害,孔隙度和渗透率不能恢复到原始的状态。低渗透储层应力敏感性的影响因素包括上覆压力的大小、加压次数、岩石覆压时间长短和流体饱和度的影响,在开发低渗透油田时应注意保持合理的生产压差、开采速度和降压方式。该研究为低渗透油藏的开发提供了理论依据。 |
| 关 键 词： | 低渗透储层 上覆压力 应力敏感性 生产压差 |
| 收稿时间： | 2010-10-29 |
| 修稿时间： | 2010-10-29 |
Stress sensitivity on the low permeability reservoir of Punan Oilfield |
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| wangyachun. Stress sensitivity on the low permeability reservoir of Punan Oilfield[J]. Science Technology and Engineering, 2011, 11(1): 138-141,145 | |
| Authors: | wangyachun |
| Affiliation: | WANG Ya-chun1,2,WANG Sheng-nan1,LIU Hong-tao 3,HAN Jun 3(College of Geosciences,Northeast Petroleum University1,Daqing 163318,P.R.China,Faculty of Resources and Information,China University of Petroleum2,Beijing 102249,Oil Recovery Plant No.7,Daqing Oilfield Corp.Ltd.3,Daqing 163000,P.R.China) |
| Abstract: | By conducting the experiment that porosity,permeability changes in the different conditions of overburden pressure,the stress sensibility of the low permeability reservoir is studied.The experiment's conclusion shows that,its porosity and permeability decreased obviously as the pressure increasing.And when the pressure reduced or removed,the porosity and permeability can not be restored to the original state as the damage caused by stress sensitivity of rocks.The factors which influence the stress of sensit... |
| Keywords: | low permeability reservoir overburden pressure stress sensitivity production pressure |
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