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

Figure 11

Diagenetic contraction fractures in microscopic scale of the Lucaogou Formation in the Jimsar Sag: (a) well J251, 3751.44 m; (b) well J251, 3565.5 m.

(a)

(b)