Study on Micro-Nano Pore Characteristics and Classification of Tight Sandstone Reservoir Based on Q-Cluster

Table 3

Micro-CT results of tight sandstone in the 4^th of Quantou Formation.

Number	Sample number	Connected pore volume/%	Pore number	Pore volume/×10^5μm^3	Pore radius/μm	Number of throats	Throat volume/μm^3	Throat radius/μm
1	Z132-1	91	333919	248600		439	1852170
2	Z132-2	42.35	369961	11900		998	625627
3	Y7	85.71	935862	364320		582	1613021
4	F42	43.63	346621	30120		876	563064
5	F381-1	34.6	278293	13762		774	846796
6	F381-2	23.1	422931	15659		1085	659320
7	S51	19.92	839536	7534		1076	23833
8	Z57	79.81	273088	27600		286	1850921
9	F50	12.7	763294	5820		349	1402361
10	Z48	33.3	329728	12670		761	984867