Deep-Buried Triassic Oil-Source Correlation in the Central Junggar Basin, NW China

Table 1

Bulk geochemical parameters of Triassic potential mudstone source rocks in the central Junggar Basin.

Well	Depth (m)	Fm.	Lithology	TOC (%)	δ^13C^1 ()	δ^13C^2 ()	S1 (mg/g)	S2 (mg/g)	PG (mg/g)	HI (mg/g)	(%)	(°C)
SM 1	4180	T3b	Dark gray mudstone	1.17	−26.81	−28.47	0.40	1.84	2.24	157.26	0.79	440
SM 1	4190	T3b	Dark gray mudstone	1.49	−26.58	−28.14	0.61	2.90	3.51	194.63	0.80	444
SM 1	4200	T3b	Dark gray mudstone	1.26	−25.70	−26.30	0.36	1.68	2.04	133.33	0.82	442
SM 1	4210	T3b	Dark gray mudstone	1.34	−26.12	−28.45	0.69	3.67	4.36	273.88	0.83	444
SM 1	4218	T3b	Dark gray mudstone	1.36	−27.08	−29.65	0.56	2.88	3.44	211.76	0.83	445
SM 1	4230	T3b	Dark gray mudstone	1.40	−26.73	−29.09	0.98	4.82	5.80	211.76	0.85	443
SM 1	4294	T3b	Dark gray mudstone	1.57	−28.86	−30.46	0.40	1.96	2.36	124.84	0.88	445
SM 1	4324	T2k	Dark gray mudstone	1.02	−26.33	−28.01	0.43	2.22	2.65	217.65	0.90	446

Note. 1, kerogen carbon isotope; 2, carbon isotope of rock extracts.