BHT Corrections.pdf
URL: https://gdr.openei.org/files/682/2_GPFA-AB_BHTCorrections.pdf
One of several project memos supplementing the final report.
Determination of heat flow is a crucial element in estimating geothermal resource potential. Geothermal gradient is one of the key components in calculating heat flow. The oil and gas industry activity within the Appalachian Basin is a wealth of temperature at depth data, as 'raw' or uncorrected Bottom Hole Temperature (BHT) values are routinely collected during the oil and gas drilling and/or extraction process. However, BHT can differ from true in-situ rock values due to drilling disturbances, circulation of fluids, and other human induced factors. Additionally, extreme terrain variations as seen in mountainous areas can impact accurate determination of geothermal gradient. For these reasons, BHT values are generally ‘corrected’ to approximate an equilibrium temperature-depth profile. Over the years, several approaches to BHT corrections have been used in heat flow determinations and geothermal resource estimations. This memo describes the BHT correction methodology used in this GPFA-AB project.
Source: Research Report of Low Temperature Geothermal Play Fairway Analysis for the Appalachian Basin
About this Resource
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Name | BHT Corrections.pdf |
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License | Creative Commons Attribution |
Created | 3 years ago |
Media type | application/pdf |
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