A Prediction Model of Oil Cracked Gas Resources and Its Application in the Gas Pools of Feixianguan Formation in NE Sichuan Basin, SW China

Table 3

Natural gas composition of Feixianguan Formation gas pools in NE Sichuan.

Well	Composition of natural gas (%)
	CH4	C2H6	C3H8	H2S	CO2	N2	H2	He
Du1	82.70	0.04	0.04	16.21	0.46	0.42	0.1	0.014
Du2	78.74	0.04	0.01	16.24	3.29	1.6	—	—
Du3	73.71	0.06	0.05	17.06	8.27	0.79	0.0	0.014
Du4	83.73	0.06	0.00	9.81	5.03	0.65	0.7	0.015
Po1	78.38	0.05	0.02	14.19	6.36	0.92	0.0	0.023
Po2	80.79	0.03	0.03	10.59	7.22	0.98	0.0	0.023
Po4	76.90	0.04	0.0	14.2	7.62	0.95	0.278	0.015
LJ1	75.29	0.11	0.06	10.49	10.41	0.18	3.447	0.013
LJ2	84.68	0.08	0.03	8.77	5.44	0.71	0.274	0.017
LJ4	84.5	0.08	0.0	7.13	5.13	0.56	2.587	0.018
LJ5	76.66	0.05	0.0	13.74	8.93	0.59	0.008	0.023
LJ6	84.95	0.09	0.0	8.28	6.21	0.45	0.002	0.018
LJ7	81.37	0.07	0.0	10.41	6.74	—	—	—