Geopressured-geothermal test of the EDNA Delcambre No. 1 well, Tigre Lagoon Field, Vermilion Parish, Louisiana: geology of the Tigre Lagoon Field, Planulina Basin. Final report

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Description

The geology and hydrology of the Tigre Lagoon Gas Field and the structural and depositional basin in which it occurs, as described, define a hydrodynamic system which has been in operation for millions of years. Fluid entrapment and geopressuring of the deposits has resulted in steepened geothermal gradients, accelerated maturation and thermal degradation (cracking) of fluid hydrocarbons, thermal diagenesis of certain clay minerals with release of much bound and intracrystalline water as free pore water, and a systematic fluid migration history controlled by the sand-bed aquifers in the basin, and by upward leakage at growth faults wherever fluid pressures approached ... continued below

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Medium: P; Size: Pages: 53

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Creator: Unknown. October 1, 1978.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 14 times , with 4 in the last month . More information about this report can be viewed below.

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Description

The geology and hydrology of the Tigre Lagoon Gas Field and the structural and depositional basin in which it occurs, as described, define a hydrodynamic system which has been in operation for millions of years. Fluid entrapment and geopressuring of the deposits has resulted in steepened geothermal gradients, accelerated maturation and thermal degradation (cracking) of fluid hydrocarbons, thermal diagenesis of certain clay minerals with release of much bound and intracrystalline water as free pore water, and a systematic fluid migration history controlled by the sand-bed aquifers in the basin, and by upward leakage at growth faults wherever fluid pressures approached or exceeded rock pressures. Observed geotemperature, geopressure, water salinity, and natural gas occurrence in the study area conform with the conceptual model developed.

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Medium: P; Size: Pages: 53

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NTIS, PC A04/MF A01.

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  • Report No.: ORO-4937-T2
  • Grant Number: EY-76-S-05-4937
  • DOI: 10.2172/5304002 | External Link
  • Office of Scientific & Technical Information Report Number: 5304002
  • Archival Resource Key: ark:/67531/metadc1072513

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • October 1, 1978

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • Feb. 16, 2018, 2:04 p.m.

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Geopressured-geothermal test of the EDNA Delcambre No. 1 well, Tigre Lagoon Field, Vermilion Parish, Louisiana: geology of the Tigre Lagoon Field, Planulina Basin. Final report, report, October 1, 1978; United States. (digital.library.unt.edu/ark:/67531/metadc1072513/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.