id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-2441		cet-2441		6	.pdf	application/pdf	2329	83	46	Global Energy Institute, 2012, CO2 enhanced oil recovery, Global Energy Institute, Washington, DC, USA. The relationship between oil recovery factor and producing time for all cases is shown in Figure 2.	cache/cet-2441.pdf	txt/cet-2441.txt