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Geopressured-geothermal test of the EDNA Delcambre No. 1 well, Tigre Lagoon Field, Vermilion Parish, Louisiana: Analysis of water and dissolved natural gas: Final report

Description: The presence of large volumes of hot water (250-425 F) containing dissolved natural gas in the Gulf of Mexico coastal areas at depths of 5,000 to 25,000 feet (the geopressured zone) has been known for several years. Because natural gas and oil from conventional production methods were relatively inexpensive prior to 1973, and because foreign oil was readily available, no economic incentive existed for developing this resource. With the oil embargo and the resulting rapid escalation in prices of oil and gas since 1973, a new urgency exists for examining the economic potential of the geopressured-geothermal resource. The main objective of the research reported here was to determine the volume of gas dissolved in the geopressured water, as well as the qualitative and quantitative composition of the water and the dissolved gas. A further objective was to use an existing shut-in gas well so that drilling time and the attendant costs could be avoided.
Date: September 1, 1978
Creator: Hankind, B.E. & Karkalits, O.C.
Partner: UNT Libraries Government Documents Department

Investigation and definition of parameters associated with testing geopressure water: An Interim Report, June 1, 1975--August 31, 1976

Description: Prior to the initiation of this project, considerable literature had appeared in technical journals, particularly geological journals, describing the potential value of the energy contained in hot geopressured waters along the northern Gulf of Mexico coast. The geographic region of interest was identified as the area between Brownsville and Pensacola, approximately 200 miles wide and 750 miles long and therefore containing about 150,000 square miles of surface area. The resource was estimated as lying at depths between 5,000 and 25,000 feet. Although many descriptions of this resource had been written, not much experimental data were available regarding the actual analyses of these waters, especially the methane content. ERDA Geothermal division sponsored the current project to find out the precise analysis of the waters in the geopressured zone in a specific South Louisiana shut in gas well. This information was desired as a prelude to additional resource development projects. If the experimental results of this project were negative, doubts would be raised that there should be serious attempts at other development projects. If the results were positive (i.e., the waters were saturated with methane suggested by hydrogeological theory of this region) then ERDA would feel encouraged to proceed with larger scale projects, especially the drilling and completion of an on-purpose geopressured geothermal well. The project was funded for the purpose of dynamic testing two aquifers tapped by an existing gas well in the Tigre Lagoon field in Vermilion Parish. Some information about the characteristics of the reservoir fluid and the behavior of the reservoir under varying flow conditions was to be obtained. The analyses of the water would be run concurrently with the flow tests.
Date: August 31, 1976
Creator: Karkalits, O.C.; Hodges, Jimmie & Jones, Paul
Partner: UNT Libraries Government Documents Department