A Tool and a Method for Obtaining Hydrologic Flow Velocity Measurements in Geothermal Reservoirs

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Description

Downhole instruments based on a thermal perturbation principle are being developed to measure heat flow in permeable formations where convective transport of heat is important. To make heat flow measurements in these regions, the ground water velocity vector must be determined. A downhole probe has been designed to measure the local ground water velocity vector. The probe is a cylindrical heat source operated at a constant heat flux. In a convecting environment, surface temperatures on the probe are perturbed from those values of a purely conductive environment. With the aid of analytical and numerical models, these temperature differences can be ... continued below

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231-236

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Carrigan, C.R.; Dunn, J.C. & Hardee, H.C. January 21, 1986.

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Description

Downhole instruments based on a thermal perturbation principle are being developed to measure heat flow in permeable formations where convective transport of heat is important. To make heat flow measurements in these regions, the ground water velocity vector must be determined. A downhole probe has been designed to measure the local ground water velocity vector. The probe is a cylindrical heat source operated at a constant heat flux. In a convecting environment, surface temperatures on the probe are perturbed from those values of a purely conductive environment. With the aid of analytical and numerical models, these temperature differences can be related to the local velocity vector.

Physical Description

231-236

Source

  • Proceedings, Eleventh Workshop Geothermal Reservoir Engineering, Stanford University, Stanford, California, January 21-23, 1986

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  • Report No.: SPG-TR-93-34
  • Grant Number: AS03-80SF11459
  • Grant Number: AS07-84ID12529
  • Office of Scientific & Technical Information Report Number: 887151
  • Archival Resource Key: ark:/67531/metadc886194

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Office of Scientific & Technical Information Technical Reports

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  • January 21, 1986

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 7, 2016, 11:13 p.m.

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Carrigan, C.R.; Dunn, J.C. & Hardee, H.C. A Tool and a Method for Obtaining Hydrologic Flow Velocity Measurements in Geothermal Reservoirs, article, January 21, 1986; United States. (digital.library.unt.edu/ark:/67531/metadc886194/: accessed June 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.