Research on Microscopic Pore Structure Characteristics and Producibility of the Chang 9 Reservoir in the Wucangpu Block

Table 2

Statistics of fluids controlled by the throat interval in the core.

Core			The size of the fluid space controlled by the throat interval			The percentage of movable fluid controlled by the throat interval
Core no.	Well no.	Permeability (mD)	<0.1 μm	0.1 μm-1.0 μm	>1.0 μm	0.05-0.1 μm	0.1-0.5 μm	0.5-1.0 μm	>1.0 μm
16-1	Wu 37	0.044	82.36	15.17	2.48	19.65	14.33	0.84	2.48
11-2	Wu 34	0.056	85.99	12.39	1.62	16.94	12.00	0.39	1.62
16-2	Wu 37	0.058	84.34	14.32	1.34	15.62	13.07	1.25	1.34
Average value of the permeability is less than 0.1 mD			84.23	13.96	1.81	17.40	13.13	0.83	1.81
19-1	Wu 40	0.182	58.44	38.63	2.94	8.00	23.62	15.01	2.94
13-3	Wu 37	0.570	41.37	48.81	9.82	7.04	30.45	18.36	9.82
12-1	Wu 37	0.724	43.99	48.00	8.01	8.15	31.13	16.87	8.01
19-2	Wu 40	0.909	44.45	37.97	17.58	5.36	22.52	15.45	17.58
Average value of the permeability between 0.1 and 1 mD			47.06	43.35	9.59	7.14	26.93	16.42	9.59
3-3	Wu 82	1.513	45.20	39.82	14.98	8.17	25.07	14.76	14.98
8-1	Wu 34	2.722	41.45	33.79	24.76	5.40	19.86	13.93	24.76
8-2	Wu 34	3.998	41.35	25.45	33.20	4.49	15.16	10.29	33.20
Average value of the permeability is larger than 1 mD			42.67	33.02	24.31	6.02	20.03	12.99	24.31