PCAS applying to quantitative analysis of microstructure of high porosity sandstone compression zone

Method and application of digital image recognition for rock particle and pore system

(Liu Chun, Xu Qiang,Shi Bin, GuYingfan)

FIG. 1 (a) field photo of sandstone compaction zone;(b) sandstone samples drilled

FIG. 2 (a) thin section image at point S2;(b) pore identification results (to distinguish pores in gray scale);(c) particle recognition results (distinguish particles by color);(d) wafer image at sampling point S3