Characteristics of Organic Matter Pores and the Relationship with Current Pressure System of Lower Silurian Longmaxi Shales in Dingshan Field, Southern Sichuan, China

Table 3

The results of pore development density, shape coefficient, and fractal dimension in different wells.

Parameters	D1	D2	D3	D4	D5	D6	D7
Development density (unit/μm2)	0.010	0.037	0.003	0.015	0.036	0.020	0.036
Shape coefficient
Fractal dimension	1.176	1.511	1.108	1.488	1.222	1.585	1.776

Shape coefficient: .