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Motivation



Outputs

T_e(t, l)

along-hole geothermal temperature profile

Inputs



z(l)

Pipeline trajectory TVDss

j_z(x,y)

vertical распределение вертикальной проекции регионального теплового потока из недр Земли на заданной глубине  z (обычно j_e = 25 \div 55 \ mW/m^2)




Assumptions




Equations


Above Neutral Temperature Layer






Approximations

(1) T_g(x,y,z) = T_{ref}(x,y) + \int_{z_{ref}}^z G_T(x,y,z) dz
(2) G_T(z) =\frac{d T_g}{d z}= \frac{j_z}{\lambda_e}



See Also


Geology 

Petroleum Geology ][ Geological Model (GM) ][ Geothermal Temperature Profile ]

References



Kasuda, T., and Archenbach, P.R. "Earth Temperature and Thermal Diffusivity at Selected Stations in the United States", ASHRAE Transactions, Vol. 71, Part 1, 1965.





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