Modelling of flow through naturally fractured geothermal reservoirs, Taupō Volcanic Zone, New Zealand

Geothermal Energy

Science – Society – Technology

Table 5 Comparison of results from 2-fracture models run with XFRAC/YFLOW and analytical calculations (Eq. 7), for various combinations of fracture length

Model	L_X, L_Y	L_Y/(L_X + L_Y)	Mass flow (kg/s)		Pressure (MPa)
Model	L_X, L_Y	L_Y/(L_X + L_Y)	Model	Eq. 7	Model	Eq. 8
1 A	500, 500	0.5000	0.2639	0.2639	19.750	19.750
B	500, 500	0.5000	0.2639	0.2639	19.250	19.250
2 A	750, 500	0.4000	0.2111	0.2111	19.800	19.800
B	750, 500	0.6000	0.3167	0.3167	19.450	19.450
3 A	750, 750	0.5000	0.2639	0.2639	19.625	19.650
B	750, 750	0.5000	0.2639	0.2639	19.375	19.375
4 A	100, 300	0.7500	0.3959	0.3959	19.775	19.775
B	100, 300	0.2500	0.1320	0.1320	19.025	19.025