Geofluids

Research Article

Recognition of Petroleum Origin in the Northern Piedmont Belt of Turpan-Hami Basin and Its Significance

Table 1

Oil biomarker parameters of the inclusions and reservoirs in the Middle-Lower Jurassic of the northern piedmont belt. Note: 1; Pr/Ph; 2: main peak carbon of tricyclic terpane; 3: C₁₉+20 tricyclic terpane/(C₁₉+C₂₀+C₂₁+C₂₃) tricyclic terpane(%); 4: C₂₁ tricyclic terpane/(C₁₉+C₂₀+C₂₁+C₂₃) tricyclic terpane(%); 5: C₂₃ tricyclic terpane/(C₁₉+C₂₀+C₂₁+C₂₃) tricyclic terpane(%); 6: C₁₉ tricyclic terpane/C₂₁ tricyclic terpane; 7: C₂₆ tricyclic terpane/C₂₄ tetracyclic terpane; 8: Ts/Tm; 9: gammacerane/C₃₀ (H+M); 10: ααα C₂₉ sterane S/(S+R); 11: C₂₉ sterane ββ/(αα+ββ); 12: C₂₇/(C₂₇+C₂₈+C₂₉) ααα 20R sterane (%); 13: C₂₈ (C₂₇+C₂₈+C₂₉) ααα 20R sterane (%); 14: C₂₉ (C₂₇+C₂₈+C₂₉) ααα 20R sterane (%); inclusion: fluid inclusions; crude oil: collected crude oil; sandstone: free oil in sandstone; represents that data of oil and sandstone come from the Turpan-Hami oilfield; J₁b: Badaowan Formation; J₁s: Sangonghe Formation; J₂x₁: Xi-I Member (Xishanyao Formation); J₂x₂: Xi-II Member; J₂x₄: Xi-III Member.


Area	Well name	Depth (m)	Layer	Sample	1	2	3	4	5	6	7	8	9	10	11	12	13	14	References

Kekeya	Ke13	2388.8	J₂x₄	Second FIA	2.32	C₂₀	55.53	26.4	18.07	0.59	0.22	0.20	0.03	0.49	0.43	12.24	19.56	68.20	This study
	Ke19	3275	J₂x₂	1st and 2nd	3.13	C₂₀	46.41	24.51	29.08	0.71	0.75	0.53	0.09	0.48	0.51	29.85	20.80	49.35	This study
	Ke19	3277	J₂x₂	Second FIA	3.00	C₂₀	69.48	17.31	23.21	1.66	0.32	0.70	0.05	0.51	0.55	16.52	12.01	71.46	This study
	Ke19	3395.9	J₁s	Fourth FIA	1.79	C₂₃	38.65	28.09	33.25	0.45	0.86	0.91	0.15	0.48	0.48	32.26	25.01	42.72	This study
	Ke21	3613.3	J₁s	Fourth FIA	1.77	C₂₁	45.07	32.8	22.13	0.56	0.62	1.58	0.16	0.46	0.55	23.63	19.13	57.25	This study
	Ke24	3116.5	J₂x₁	Fourth FIA	3.04	C₂₀	44.37	30.12	25.11	0.48	1.05	1.03	0.19	0.46	0.48	37.28	22.01	40.71	This study
	Ke19	3393-3410	J₂x₁	Crude oil	3.29	C₁₉	70.7	16.98	12.32	2.62	0.52	0.91	0.15	0.48	0.59	19.88	21.94	58.18
	Ke19	3528-3556	J₁s	Crude oil	2.5	C19	72.89	20.92	6.18	1.85	0.35	1.49	0.1	0.44	0.57	17.53	19.91	65.56
	Ke20	3691~3711	J₁s	Crude oil	2.62	C₁₉	77.4	13.12	9.48	3.13	0.41	1.65	0.09	0.50	0.55	16.42	28.65	54.92
	Ke23	4010~4028	J₂x₁	Crude oil	3.92	C₁₉	87.19	4.73	8.08	10.12	0.18	0.58	0.04	0.51	0.55	20.51	19.80	59.69
	Ke24	3113-3020	J₂x₁	Crude oil	3.66	C₂₀	83.55	6.47	9.98	6.41	0.54	0.79	0.38	0.49	0.48	20.61	34.48	44.91
	Ke13	-	J₂x₄	Crude oil	4.16	C19	-	-	-	-	3.09	-	0.03	0.48	0.47	9.29	19.29	71.42	Meng jian
	Ke21	3400.6	J₂x₁	Sandstone	2.53	C₂₃	37.9	27.22	34.88	0.38	1.13	0.51	0.40	0.32	0.30	0.14	0.39	0.46
	Ke32	3698.5	J₂x₂	Sandstone	3.62	C23	39.1	29.97	30.93	0.36	1.12	0.61	0.31	0.48	0.52	15.39	35.2	49.4
Shanle	Le1	2555.4	J₂x₄	Second FIA	3.01	C₂₀	57.69	23.69	18.61	0.91	0.39	0.21	0.04	0.40	0.43	13.37	15.65	70.97	This study
	Le7	2871	J₂x₂	Inclusions	2.04	C23	-	-	-	0.22	1.07	0.7	-	0.46	0.41	39.3	29.7	31	[8]
	Le7	3578	J1s	Inclusions	0.69	C23	-	-	-	0.14	0.88	0.85	-	0.44	0.41	27.6	35.6	36.8	[8]
	Le3	3306.6	J₁s	Third FIA	2.68	C₂₀	52.09	27.34	20.56	0.65	0.73	0.53	0.12	0.49	0.45	25.79	22.88	51.33	This study
	Le1	2677-2687	J₂x₄	Crude oil	5.07	C20	-	-	-	-	1.96	-	0.04	0.46	0.49	10	23.57	71.43	Meng jian
	Le7	2871	J₂x₂	Crude oil	3.52	C20	-	-	-	0.58	0.15	0.12	-	0.48	0.42	10.5	24.2	64.3	[8]
	Le7	3578	J1s	Crude oil	1.66	C23	-	-	-	0.62	0.54	0.63	-	0.49	0.47	40.2	37.9	21.9	[8]
	Le3	3304~3313	J₁s	Crude oil	3.18	C₂₀	60.4	12.24	27.35	2.42	1.16	0.57	0.09	0.53	0.55	9.79	35.01	55.21
Zhaobishan	Zhao4	3924.3	J₁b	Fourth FIA	2.44	C₂₀	61.09	24.48	14.43	1.04	0.39	1.36	0.12	0.50	0.57	13.61	18.58	67.81	This study
	Zhao4	4006~4015	J₁b	Crude oil	4.02	C₁₉	75.38	10.53	14.09	3.96	0.48	0.57	0.16	0.40	0.44	13.70	38.14	48.16
	Zhao5	3454.6	J₁s	Sandstone	2.77	C₁₉	75.6	10.01	14.39	3.88	0.30	0.81	0.05	0.57	0.53	13.35	31.38	55.26
Aketashi	Ke31	4098-4106	J₁s	Crude oil	2.4	C19	61.08	13.95	24.96	1.46	1.38	0.34	0.33	0.48	0.37	19.84	39.23	40.92
	Ke282	3853~3853	J₁s	Crude oil	3.25	C₁₉	75.8	6.11	18.09	6.86	0.39	0.88	0.06	0.57	0.50	16.70	34.58	48.73
	Ke33	3556.2	J₁s	Sandstone	2.57	C₂₃	29.78	33.46	36.76	0.16	1.47	0.33	0.32	0.44	0.30	23.27	33.65	43.06
Qialekan	Qia4	3672.4	J₁b	Sandstone	1.2	C23	40.39	19.63	39.97	0.97	1.4	0.62	0.11	0.55	0.51	19.11	33.61	47.28