Well Screen and Optimal Time of Refracturing: A Barnett Shale Well

Table 1

Input data used in simulation model.

Parameter	Value(s)	Unit: field (SI)
Model dimensions	5000×5000×300(1524×1524×91)	ft (m)
Initial reservoir pressure	3800 (2.62×10^7)	psi (pa)
BHP	1100 (7.58×10^6)	psi (pa)
Production time	30	year
Reservoir temperature	150 (66)	°F (°C)
Gas viscosity	0.0201 (2.01×10^−5)	cp (pa.s)
Initial gas saturation	0.70	fraction
Total compressibility	3×10^−6 (4.35×10^−10)	Psi^−1(pa^−1)
Matrix permeability	5×10^−4 (4.93×10^−19)	md (m^2)
Matrix porosity	0.018	fraction
Fracture conductivity	1 (3×10^−16)	md-ft (m^2-m)
Fracture half-length	Varied: Min = 470 (143), Max = 1870 (570)	ft (m)
Fracture spacing	550 (168)	ft (m)
Refracture half-length	970 (296)	ft (m)
Refracture spacing	275 (84)	ft (m)
Fracture height	300 (91)	ft (m)
Horizontal well length	2800 (853)	ft (m)
Number of fractures	5	number
Number of refractures	4	number