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| Astronomic time |
| Annual average surface temperature variation based on weather reports | ||||||||||||||||
| wellbore trajectory Measured Depth with reference to Earth's surface (
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| Period of annual temperature variation cycle:
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| Wellbore trajectory. True Vertical Depth Sub-Sea (TVDss) |
| Time moment shift of annual highest temperature with respect to January 1 | ||||||||||||||||
| True vertical component of regional Earth's Heat Flux |
| Daily average surface temperature variation based on weather reports | ||||||||||||||||
| Annual average surface temperature based on weather reports |
| Period of daily temperature variation cycle:
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| Average Thermal diffusivity of the soil between Earth's surface and neutral layer |
| Time moment shift of daily highest temperature with respect to Midnight 00:00 | ||||||||||||||||
| Rock Thermal Conductivity along-hole profile |
| Temperature measurement threshold (usually
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