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| Astronomic time | | Pipeline trajectory TVDss |
| True vertical component of Regional Earth's heat flux (usually vertical распределение вертикальной проекции регионального теплового потока из недр Земли на заданной глубине (обычно | LaTeX Math Inline |
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| body | --uriencoded--j_e z = 25 \div 55 \ mW/m^2m%5e2 |
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) |
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Assumptions
Equations
| Below Neutral Temperature Layer | Above Neutral Temperature Layer |
Approximations
| LaTeX Math Block |
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| T_g(x,y,z) = T_{ref}(x,y) + \int_{z_{ref}}^z G_T(x,y,z) dz |
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GTG_\frac{dg{dz}=+ \frac{j_z}{\lambda_e} (z-z_{srf}) + T_A \, \exp \bigg[ \, {(z_{srf}-z}) \sqrt{\frac{\pi}{a_e \, \delta_T}} \, \bigg] \, \cos \bigg[ \, 2 \pi \frac{t - t_{min}}{\delta_T} + (z_{srf} -z) \sqrt {\frac{\pi}{a_e \, \delta_T}} \, \bigg] |
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| LaTeX Math Block |
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| G_T(z) =\frac{d T_g}{d z}= \frac{j_z}{\lambda_e} |
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where
где
| TVDss of the Earth's surface |
| Annual average surface temperature based on weather reports |
| Annual average surface temperature variation based on weather reports |
| Temperature variation cycle (usually | LaTeX Math Inline |
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| body | --uriencoded--\delta t = 1 \, %7B\rm year%7D |
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) |
| Temperature variation cycle shift (time moment of minimal temperature with respect to astronomic midnight 0:00) |
| LaTeX Math Inline |
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| body | a_e = \frac{\lambda_e}{\rho_e \, c_e} |
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|
| Rock temperature conductivity |
| Rock density |
| Rock specific volumetric heat capacity at constant pressure |
See Also
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Geology
[ Petroleum Geology ][ Geological Model (GM) ][ Geothermal Temperature Profile ]
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