Genetic Types and Main Control Factors of Microfractures in Tight Oil Reservoirs of Jimsar Sag

Figure 9

Tectonic-breaking microfractures in microscopic scale of the Lucaogou Formation in the Jimsar Sag: (a) well J31, 2715.94 m; (b) well J31, 3769.33 m.

(a)

(b)