[1]薛永超,杜琬姝,李顺明.长期水驱层内剩余油主控因素及分布模式[J].复杂油气藏,2022,15(02):78-83.[doi:10.16181/j.cnki.fzyqc.2022.02.013]
 XUE Yongchao,DU Wanshu,LI Shunming.Main controlling factors and distribution pattern of remaining oil inlong-term water flooding zone[J].Complex Hydrocarbon Reservoirs,2022,15(02):78-83.[doi:10.16181/j.cnki.fzyqc.2022.02.013]
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长期水驱层内剩余油主控因素及分布模式()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
15卷
期数:
2022年02期
页码:
78-83
栏目:
油气开发
出版日期:
2022-06-25

文章信息/Info

Title:
Main controlling factors and distribution pattern of remaining oil inlong-term water flooding zone
作者:
薛永超1杜琬姝1李顺明2
1.中国石油大学(北京)石油工程学院,北京102249;2.中国石油勘探开发研究院,北京100083
Author(s):
XUE Yongchao1DU Wanshu1LI Shunming2
1. School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249,China;2. Research Institute of Petroleum Exploration and Development,Beijing 100083,China
关键词:
高含水油藏层内剩余油分布规律主控因素经济评价
Keywords:
high water-cut reservoirremaining oil in the layerdistribution lawmain control factoreconomic evaluation
分类号:
TE343
DOI:
10.16181/j.cnki.fzyqc.2022.02.013
文献标志码:
A
摘要:
针对高含水期油藏层内剩余油,定量分析不同储层非均质条件(不同夹层模式、不同韵律模式)对剩余油形成的控制作用。综合驱油效率和渗流速度,划分剩余油分布模式。首先根据驱油效率,将剩余油分布模式划分为高度分散零星状剩余油、中等波及朵状剩余油、低波及团块状剩余油以及未波及片状剩余油;其次根据流速界限,进一步划分高速微观剩余油、高速低丰度零星剩余油、中速中丰度朵状剩余油、中速中丰度团状剩余油、低速中高丰度片状剩余油、低速高丰度片状剩余油。针对不同模式剩余油,分析主控成因,并提出相应的挖潜措施。结合层内剩余油模式划分结果,根据盈亏平衡原理,对不同模式剩余油、不同挖潜措施进行了经济评价。
Abstract:
Aiming at the remaining oil in the reservoir at the high water-cut stage,the control effect of different reservoir heterogeneity (different interlayer modes and different rhythm modes) on the formation of remaining oil is quantitatively analyzed. The remaining oil distribution pattern is divided by combining oil displacement efficiency and seepage velocity. Firstly,according to the displacement efficiency,the distribution mode of the remaining oil is divided into highly dispersed sporadic remaining oil,medium and blotchy remaining oil,low and lumpy remaining oil,and unswept remaining oil. Secondly,according to the critical flow rate,it is further divided into high-speed microscopic remaining oil,high-speed low-abundance sporadic remaining oil,medium-speed and medium-abundance flaky remaining oil,medium-speed and medium-abundance lumpy remaining oil,low-speed and medium-high abundance flaky remaining oil,and low-speed and high-abundance flaky remaining oil. According to the remaining oil in different modes,the main controlling causes are analyzed,and the corresponding potential tapping measures are put forward. Combined with the division results of the remaining oil mode and according to the break-even principle,the economic evaluation of the remaining oil in different modes and different potential exploitation measures is carried out.

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备注/Memo

备注/Memo:
收稿日期:2021-06-13;改回日期: 2021-07-26。第一
作者简介:薛永超(1975—),博士,副教授,主要从事油气田开发教学和研究工作。E-mail:xyc75@163.com。
更新日期/Last Update: 2022-06-25