Re-recognition of “unconventional” in unconventional oil and gas

JIAO Fangzheng

Fig. 5. Gas occurrence pattern in the organic matter pores of shale in the Wufeng Formation-Longmaxi Formation of Sichuan Basin. 3 145 m of Well W205, TOC content is 3.2%, and the diameter of organic matter pores is 10 nm-2 μm.