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Table 3 Comparison of calculated results with TNO’s results

From: Modeling and economic evaluation of deep geothermal heat supply systems using the example of the Wealden near Hannover, Germany

 

Temperature

Pressure

DoubletCalc

This code

Difference

DoubletCalc

This code

Difference

°C

°C

%

MPa

MPa

%

Reservoir

89.28

89.2

− 0.1

255.1

255.1

0.0

Wellbore bottom

89.28

89.3

0.0

241.3

246.1

2.0

Wellhead

86.51

85.6

− 1.1

16.35

16.8

2.7

Heat exchanger in

86.51

85.2

− 1.5

16.35

16.5

0.9

Heat exchanger out

35

35

0.0

16.35

16.1

− 1.6

Wellhead

35

35

0.0

16.35

17.7

7.6

Wellbore bottom

35.99

36.8

2.2

277

283.2

2.2

Reservoir

89.28

89.3

0.0

252.2

255.1

1.1