Analysis of Sweet Lake geopressured-geothermal aquifer

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The Sweet Lake geopressured-geothermal aquifer, located southeast of Lake Charles, Louisiana, is an aquifer modeled by a two-dimensional geopressured-geothermal simulator. This aquifer is a sandstone within the Frio formation at depths between 15,000 to 15,640 ft with a net porous thickness of 250 ft, a calculated in-situ permeability (from drawdown data) of 17 md, an estimated porosity of 24 percent, a uniaxial compaction coefficient of 4.5 x 10/sup -7/ psi/sup -1/ and a solution gas-water ratio of 11 SCF/STB all at the initial reservoir pressure of 12,060 psi. These parameters are typically pressure sensitive in geopressured-geothermal aquifers and are critically ... continued below

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Pages: 30

Creation Information

Andrade, M.; Rago, F.M.; Ohkuma, H.; Sepehrnoori, K.; Peters, E. & Dorfman, M. January 1, 1983.

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Description

The Sweet Lake geopressured-geothermal aquifer, located southeast of Lake Charles, Louisiana, is an aquifer modeled by a two-dimensional geopressured-geothermal simulator. This aquifer is a sandstone within the Frio formation at depths between 15,000 to 15,640 ft with a net porous thickness of 250 ft, a calculated in-situ permeability (from drawdown data) of 17 md, an estimated porosity of 24 percent, a uniaxial compaction coefficient of 4.5 x 10/sup -7/ psi/sup -1/ and a solution gas-water ratio of 11 SCF/STB all at the initial reservoir pressure of 12,060 psi. These parameters are typically pressure sensitive in geopressured-geothermal aquifers and are critically important to aquifer performance. Several simulation experiments are conducted which investigate the effects of varying initial values for these parameters with the experimentally determined values as means. The simulations give both optimistic and pessimistic expectations for aquifer performance. The expected life of the geopressured-geothermal well is reported for each simulation.

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Pages: 30

Notes

NTIS, PC A03/MF A01.

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  • Other: DE84006053
  • Report No.: DOE/ET/27112-4
  • Grant Number: AC08-79ET27112
  • DOI: 10.2172/5328513 | External Link
  • Office of Scientific & Technical Information Report Number: 5328513
  • Archival Resource Key: ark:/67531/metadc1067423

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  • January 1, 1983

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • Feb. 20, 2018, 7:35 p.m.

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Andrade, M.; Rago, F.M.; Ohkuma, H.; Sepehrnoori, K.; Peters, E. & Dorfman, M. Analysis of Sweet Lake geopressured-geothermal aquifer, report, January 1, 1983; United States. (https://digital.library.unt.edu/ark:/67531/metadc1067423/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.