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| 周期性弱凝胶调驱技术及应用 | |
| 引用本文： | 齐陆宁,杨少春,刘芳,时丕同.周期性弱凝胶调驱技术及应用[J].新疆地质,2011,29(3):352-355. |
| 作者姓名： | 齐陆宁 杨少春 刘芳 时丕同 |
| 作者单位： | 1. 中国石油大学(华东),山东东营257061;中石化胜利油田海洋采油厂,山东东营257237 2. 中国石油大学(华东),山东东营,257061 3. 中石化胜利油田海洋采油厂,山东东营,257237 |
| 基金项目： | 中石化海上提高采收率(So-PF0769D010E)项目资助 |
| 摘 要： | 通过室内物理模拟实验,研究平面模型中周期性注入弱凝胶效果和提高采收率机理.研究证明,弱凝胶调驱可大幅改善水驱油藏平面和纵向上的非均质性,提高水驱波及系数.周期性注入凝胶段塞能取得调剖作用和驱替效果,前段弱凝胶、中间水和后续弱凝胶可组成一个有机灵活整体,使水驱效率大幅提高,可维持调驱效果长效性.在试验基础上,针对埕岛油田北区CB6B块非均质突出,水驱矛盾突出问题,现场实施周期性弱凝胶调驱.实施后注入剖面得到明显改善,含水下降,累增油量2.05×104 t,提高采油速度0.3%. |
| 关 键 词： | 弱凝胶 周期性 水驱效率 提高采收率 |
PERIODIC WEAK GELATIN FLOODING TECHNOLOGY AND ITS APPLICATIONS |
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| QI Lu-ning,YANG SHAO-chun,LIU Fang,SHI Pi-tong.PERIODIC WEAK GELATIN FLOODING TECHNOLOGY AND ITS APPLICATIONS[J].Xinjiang Geology,2011,29(3):352-355. | |
| Authors: | QI Lu-ning YANG SHAO-chun LIU Fang SHI Pi-tong |
| Institution: | QI Lu-ning1,2,YANG SHAO-chun1,LIU Fang2,SHI Pi-tong2(1.China University of Petroleum(EastChina),Dongying,Shandong,257061,China,2.The Offshore Oil Production Co.Shengli,SINOPEC,257237,China) |
| Abstract: | Weak gelatin flooding technology has become one of the key technologies to improve the recovery in the north oilfield.By the area model experiments and the physical simulation,the effect and mechanism to improve the recovery of the periodic flooding of the weak gelatin has been confirmed.Studies have shown that weak gelatin flooding can remedy the horizontal and vertical heterogeneity and improve flooding efficiency.Moreover,the injection profile and the displacement efficiency much more be improved by the ... |
| Keywords: | Weak gelatin Periodicity Flooding efficiency Enhanced recovery |
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