Table 2 The values of the five key factors.

From: Optimization of the heat recovery performance of enhanced geothermal system based on PSO-GA-BP neural networks and analytic hierarchy process

 

Value

   

Well spacing, (m)

400

500

600

 

Water injection tate, (kg/s)

10

20

25

30

Injection temperature, (℃)

20

50

65

80

Fracture permeability, (m2)

1 × 10–12

1 × 10–11

1 × 10–10

 

Fracturing spacing, (m)

100

150

200

300

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