Spatial Characteristics and Genesis of Tight Clastic Reservoirs in Yingcheng Formation of Changling Fault Depression in the Southern Songliao Basin

Table 2

Statistical table of the hole ratio of the chlorite development section in the pore lining of well B202.

No.	Depth (m)	Porosity (%)	Total area porosity (%)	Hole area ratio between residual particles (%)	Proportion of primary pore surface porosity (%)
B202	2994	7.57	6.15	4.05	65.85
	2998.75	5.60	5.06	4.23	83.60
	3087.33	8.18	6.79	3.62	53.31
	3098.9	8.75	6.88	3.71	53.92
	3112.75	8.2	6.82	4.03	59.09
	3117.8	7.92	6.49	4.32	66.56
	3128.6	10.26	8.66	6.29	72.63