New mobility ratio definition for estimating volumetric sweep efficiency of low salinity water injection

被引：23
|
作者：
Al-Shalabi, Emad W. [1 ]
Sepehrnoori, Kamy [1 ]
Pope, Gary [1 ]
机构：
[1] Univ Texas Austin, Petr & Geosyst Engn, Austin, TX 78712 USA
来源：
FUEL | 2015年 / 158卷
关键词：
Low salinity water injection (LSWI); Improved estimation of volumetric sweep efficiency; New mobility ratio definition; Fractional flow and tracer methods; LSWI effect on displacement and volumetric sweep efficiencies; OIL-RECOVERY; IMPACT;
D O I：
10.1016/j.fuel.2015.06.018
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper investigates the effect of low salinity water injection (LSWI) on both oil displacement and volumetric sweep efficiencies. A new definition of mobility ratio is proposed and shown to correlate with volumetric sweep efficiency better than other definitions in the literature. A quarter 5-spot field model was created by upscaling recently published coreflood experiments. Simulations were performed using the Empirical LSWI Model implemented in the UTCHEM simulator. Results showed an improved estimation of volumetric sweep efficiency with the proposed mobility ratio definition, which applies in the tertiary mode and physically makes more sense compared to other definitions in the literature. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：664 / 671
页数：8
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