Effect of bottom water on performance of cyclic superheated steam stimulation using a horizontal well

被引：3

作者：

Sun, Fengrui ^{[1
,2
,3
]}

Yao, Yuedong ^{[1
,2
,3
]}

Li, Guozhen ^{[3
]}

机构：

[1] China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China

[2] China Univ Petr, Coll Petr Engn, Beijing 102249, Peoples R China

[3] China Univ Petr, Beijing 102249, Peoples R China

来源：

JOURNAL OF PETROLEUM EXPLORATION AND PRODUCTION TECHNOLOGY | 2019年 / 9卷 / 03期

关键词：

Heavy oil; Horizontal well; Cyclic superheated steam stimulation; Bottom water; Size of water body; Numerical analysis; MASS-TRANSFER CHARACTERISTICS; ASSISTED GRAVITY DRAINAGE; HEAT-TRANSFER CHARACTERISTICS; GEOTHERMAL-ENERGY EXTRACTION; MULTICOMPONENT THERMAL FLUID; OIL-RECOVERY; THERMOPHYSICAL PROPERTIES; NONCONDENSING GASES; SUPERCRITICAL CO2; CURVE ANALYSIS;

D O I：

10.1007/s13202-019-0625-x

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：

Horizontal well has been widely used for heavy-oil recovery in the petroleum industry. Besides, superheated steam has been proved effective in heavy-oil recovery by field practice. In this paper, a numerical model is established with the help of numerical simulator. The effect of bottom water on the productivity of cyclic superheated steam stimulation well has been studied. Some interesting findings show that: (a) the bottom water-channeling phenomenon becomes more severe when the horizontal well is approaching the bottom water. (b) The cyclic oil production fluctuates with periodic number when the horizontal well is close to the bottom water due to the fact that the injected water has an elastic push action on the bottom water. (c) A larger-bottom water size is able to supply a larger elastic energy. While the cyclic oil production of large-bottom water size for the first few cycles is smaller than that with a small-bottom water, it may be turned over for the last few cycles.

引用

页码：2291 / 2296

页数：6

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