Study on the Origin and Fluid Identification of Low-Resistance Gas Reservoirs

Table 2

Analysis and statistics table of thin section castings in the Wu 2 section in Ke017 well area.

Well	Depth (m)	Lithology	Structure	Pore types	Face rate (%)	Homogeneous coefficient	Sorting coefficient	Average pore diameter (μm)
Jin long 26	3005.41	Glutenite	Very fine sand texture	Microcrack	/	/	/	/
Jin long 26	3006.9	Sandstone	Gravel bearing unequal sandy structure	Intragranular pores	0.06	0.63	27.37	48.67
Jin long 26	3008.35	Argillaceous fine sandstone	Unequal sandy structure	Intragranular pores	0.05	0.29	8.46	10.44
Jin long 26	3009.75	Glutenite	Gravel bearing unequal sandy structure	Residual intergranular pore	0.14	0.61	39.96	66.44
Jin long 26	3010.84	Glutenite	Gravel bearing unequal sandy structure	Residual intergranular pore; Intragranular pores; Microcrack	0.29	0.32	32.90	34.86
Jin long 26	3012.14	Grit	Gravel unequal sandy structure	Residual intergranular pore; Intragranular pores	0.15	0.44	32.76	44.17
Average					0.14	0.46	28.29	40.92