Special Distribution of Crude Oil in the Lucaogou Formation in Jimusaer Sag and Genetic Analysis of Its Physical Difference

Table 1

Physical properties and group composition of crude oil from Lucaogou Formation in Jimusaer Sag, Junggar Basin.

Well no.	Depth (m)	Stratum	Density (g/cm3)	Viscosity (mPa.s) (50°C)	Wax (%)	Saturates (%)	Aromatics (%)	Resins (%)	Asphaltenes (%)
Ji171	3074–3088	P2l2	0.8942	67.58	7.72	64.78	17.34	15.17	2.71
Ji172	2920–2970	P2l2	0.8824	59.90	14.39	64.78	14.28	18.28	2.66
Ji173	3088–3109	P2l2	0.8858	63.07	10.12	58.68	14.67	25.15	1.50
Ji174	3116–3146	P2l2	0.8830	48.70	15.70	65.47	18.75	14.59	1.19
Ji176	3028–3063	P2l2	0.8837	48.20	11.00	67.13	13.37	17.83	1.67
Ji23	2309–2385	P2l2	0.8853	120.98	23.37	63.38	14.77	20.00	1.84
Ji25	3403–3425	P2l2	0.8939	96.86	10.91	57.05	12.82	26.60	3.53
Ji28	3198–3325	P2l2	0.8753	27.76	11.55	66.47	15.76	16.05	1.72
Ji30	4018–4184	P2l2	0.8878	35.03	9.87	59.80	18.21	15.81	6.18
Ji301	2762–776.5	P2l2	0.8890	49.46	15.84	65.37	10.59	23.00	1.04
Ji302	2840–2845	P2l2	0.8776	34.04	17.10	65.41	10.45	23.59	0.54
Ji302	2853–2870	P2l2	0.8759	34.66	15.80	62.75	16.33	18.92	2.00
Ji303	2598–2604	P2l2	0.8888	57.12	15.10	67.19	14.68	17.50	0.63
Ji37	2830–2849	P2l2	0.8965	73.83	15.10	64.16	12.43	21.96	1.45
Ji174	3255–3314	P2l1	0.9219	371.85	3.04	46.56	18.36	29.84	5.24
Ji305	3565–3588	P2l1	0.9117	116.90	4.20	55.22	18.10	22.70	3.99
Ji31	2875–2945	P2l1	0.9209	260.93	6.31	47.77	21.34	28.66	2.23
Ji33	3664–3717	P2l1	0.9109	159.29	3.41	50.18	18.91	22.19	8.72
Ji36	4209–4255	P2l1	0.9116	141.70	6.25	52.47	16.50	21.78	9.24
Ji39	3982–3987	P2l1	0.9081	97.28	7.36	59.94	14.51	14.20	11.36
Ji40	3579–3626	P2l1	0.9249	499.71	6.05	53.29	27.68	14.54	4.50