Migration Law and Influence of Proppant in Segmented Multicluster Fracturing Wellbore of Deep Shale Horizontal Well

Table 1

Basic parameter setting of numerical simulation.

Parameter	Unit	Numerical interval	Reference value
Reservoir parameters
Young’s modulus	GPa	35
Poisson’s ratio	/	0.2
Minimum horizontal main stress	GPa	60
Fracture toughness	mPa·m^0.5	1.5
Construction parameters
Fracturing section length	m	50
Number of single perforation clusters	/	5
Cluster spacing	m	10
Displacement	m^3·min^-1	10~16	12
Fracturing fluid viscosity	mPa·s	5 ~100	12
Proppant type		Quartz sand
Proppant density	kg·m^-3	2310
Proppant particle size	Mesh	20~100	40/70 (500 μm)
Sand ratio	%	5 ~ 30	10