Experimental Study on Fracture Propagation Mechanism of Shale Oil Reservoir of Lucaogou Formation in Jimusar

Figure 6

Comparison of injection pressure versus time curves characteristics under different influencing factors. (a) Different lithology; (b) different horizontal stress difference; (c) different layer thickness; (d) different fracturing fluid viscosity.

(a)

(b)

(c)

(d)