Low-temperature oxidation of light crude oil in oxygen-reduced air flooding
QI Huan,LI Yiqiang,CHEN Xiaolong,LONG Anlin,WEI Li,LI Jie,LUO Jianghao,SUN Xuebin,TANG Xiang,GUAN Cuo
Table 1 The mass loss and heat absorption and release parameters of crude oil reacting with gases with different oxygen contents.
Reaction
gas		 LTO FD HTO
Tempera- ture range/
°C		 Mass loss/
%		 Peak tempera-
ture/°C		 Peak heat release rate/
(W•g-1)		 Tempera-
ture range/
°C		 Mass loss/
%		 Peak temperature/°C Peak heat release rate/
(W•g-1)		 Temperature range/
°C		 Mass loss/
%		 Peak temperature/°C Peak heat release rate/
(W•g-1)
Air (oxygen
content of
21%)		 60-335 72.01 214 6.58 335-405 5.27 384 2.30 405-518 10.31 449 3.48
Oxygen-
reduced air
with oxygen
content
of 10%		 62-345 69.08 236 3.94 345-410 4.70 370 1.87 410-560 11.47 468 3.19
Oxygen-
reduced air
with oxygen
content
of 5%		 61-355 68.66 245 2.77 355-415 5.30 380 1.41 415-577 11.71 476 2.53