Controlling Effect of Wave-Dominated Delta Sedimentary Facies on Unconventional Reservoirs: A Case Study of Pinghu Tectonic Belt in Xihu Sag, East China Sea Basin

Table 1

Pyrolysis results of carbonaceous mudstone and dark mudstone.

Sample number	Well number	Depth (m)	Formation	Lithology	TOC (%)	Tmax (°C)	S1 + S2 (mg/g)	Parent material	Evolutionary phase
1	A1	3546	T32	Mudstone	1.19	445	2.99	IIA	Mature
2	A1	3568	T32	Mudstone	0.8	445	0.75	IIB	Mature
3	A1	3569	T32	Mudstone	0.83	446	0.67	III	Mature
4	B1	3494	T31	Mudstone	0.68	437	0.29	III	Mature
5	B2	3391	T31	Mudstone	0.6	392	0.23
6	B2	3807	T34	Mudstone	1.41	438	8.36	I	Mature
7	B2	3808	T34	Mudstone	1.66	444	2.74	IIB	Mature
8	B2	4090	T34	Mudstone	0.98	453	1.23	IIA	Mature
9	B2	4061	T34	Mudstone	0.64	457	0.44	IIB	High mature
10	B3	3273	T31	Mudstone	1.38	433	1.58	III	Mature
11	B3	3398	T34	Mudstone	0.6	405	0.37	III	Immature
12	B3	3629	T34	Mudstone	0.4	422	0.17	III	Immature
13	B3	3627	T34	Mudstone	0.5	410	0.2	III	Immature
14	B4	3652	T32	Mudstone	0.77	437	0.66	III	Mature
15	B4	3961	T34	Mudstone	0.72	446	0.74	IIB	Mature
16	C1	3156	T32	Mudstone	0.53	463	0.18	III	High mature
17	C1	3321	T32	Carbonaceous mudstone	1.63	444	2.35	IIB	Mature
18	C1	3322	T32	Mudstone	0.47	432	0.15	III	Mature
19	C1	3635	T34	Mudstone	3.54	446	12.02	IIA	Mature
20	D1	4513	T34	Carbonaceous mudstone	2.06	468	2.77
21	E1	3811	T31	Mudstone	0.53	451	0.43	IIB	Mature