Resource Analysis for Deep Direct-Use Feasibility Study in East Texas


The National Renewable Energy Laboratory, Southern Methodist University Geothermal Laboratory, Eastman Chemical, Turbine Air Systems, and the Electric Power Research Institute are evaluating the feasibility of using geothermal heat to improve the efficiency of natural gas power plants. The area of interest is the Eastman Chemical plant in Longview, Texas, which is on the northwestern margin of the Sabine Uplift. The study is focused on determining the potential for a geothermal reservoir within a 10 km radius of the site as defined by data from existing geological studies and cross-sections within the depths of 2,100 to 3,400 meters. Wells within a 20 km radius are included for broader geological comparison to determine the heat flow, temperature-at-depth, and oil and gas field porosity and permeability. The geothermal reservoir model is based on the multiple formation top data sources, published literature data, and well log interpretations within the 10 km radius. Area thickness estimates, reservoir extent bounding parameters, potential flow rates, and temperatures are combined to calculate a reservoir productivity index and develop a reservoir production model. Historical fluid volumes production data are used as an independent check for the reservoir productivity index and production model results. The reservoir parameters calculated here are being used for the surface engineering model to determine the economic viability of using geothermal fluids for a deep direct use application at this site. The data files are submitted as separate workbooks in 'content model' format, including: Well Fluid Production, Heat Flow, and Geologic Reservoir.

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DOE Project Name: Geothermal Direct Use For Turbine Inlet Cooling in East Texas
DOE Project Number: EE0001514
DOE Project Lead: Arlene Anderson
DOI: 10.15121/1493734
Last Updated: 3 months ago
Data from June, 2018
Submitted Jun 30, 2018


Southern Methodist University



Publicly accessible License 


Maria Richards
Southern Methodist University
Joseph Batir
Southern Methodist University
Harrison Schumann
Southern Methodist University


geothermal, energy, East Texas, Travis Peak, Sabine Uplift, Hosston, Sligo, Cotton Valley, Longview, Eastman Chemical, Reservoir Productivity Index, RPI, Heatflow, Heat flow, SMU, Southern Methodist University, NREL, Bottom Hole Temperature, BHT, Absorption Chill, presentation, memo, data, paper, publication, journal article, DDU, TX, feasibility, deep direct-use


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