A novel geothermal system combined power generation, gathering heat tracing, heating/domestic hot water and oil recovery in an oilfield

被引：19
|
作者：
Li, Tailu [2 ]
Zhu, Jialing [1 ]
Xin, Shouliang [3 ]
Zhang, Wei [1 ]
机构：
[1] Tianjin Univ, MOE, Key Lab Efficient Utilizat Low & Medium Grade Ene, Tianjin 300072, Peoples R China
[2] Tianjin Chendian Univ, Sch Energy & Safety Engn, Tianjin 300384, Peoples R China
[3] PetroChina Huabei Oilfield Co, Explorat & Dev Res Inst, Cangzhou 062552, Peoples R China
来源：
GEOTHERMICS | 2014年 / 51卷
基金：
国家高技术研究发展计划(863计划);
关键词：
Geothermal water; Organic Rankine cycle; Energetic and exergetic analyses; High water cut; Heat tracing; Oilfield; COGENERATION; EFFICIENCY;
D O I：
10.1016/j.geothermics.2014.03.009
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：
Oil wells in the high water-cut period become geothermal wells, thereby increasing the recoverable reserve. A novel geothermal system involving organic Rankine cycle (ORC), absorption refrigeration, gathering heat tracing, direct and indirect heating, and oil recovery was presented. The objective is to improve the system efficiency. The results show that R601 a has the highest cycle performance and auxiliary cold sources do increase the power output. Replacing oil boilers with geothermal water as the heat source of gathering heat tracing (GHT) can save about 8163 tons of oil a year. About 34,600 tons of oil can be recovered each year. Moreover, the system can also provide heating for sixty 5000-square-meter residential buildings and domestic hot water for over 8000 people. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：388 / 396
页数：9
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