Extraction/Injection Well Design for Deep Direct Use at University of Illinois at Urban-Champaign


The large scale Deep Direct Use (DDU) geothermal project in the low temperature environment of the Illinois Basin requires drilling and completing two wells. One well would be the extraction (producing) well and would be built to deliver a flow rate of approximately 6000 barrels per day (bpd) of brine from the lower part of the Mt. Simon Sandstone at a depth of approximately 6300 feet bgs (below ground surface). The injection well would be constructed to return the produced brine into the upper part of the Mt. Simon Sandstone at a depth of approximately 5250 feet bgs.

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Additional Info

DOE Project Name: Geothermal Heat Recovery Complex: Large-Scale, Deep Direct-Use System in a Low-Temperature Sedimentary Basin
DOE Project Number: EE0008106
DOE Project Lead: Arlene Anderson
DOI: 10.15121/1526474
Last Updated: over a year ago
Data from March, 2019
Submitted Jun 6, 2019


University of Illinois



Publicly accessible License 


James Kirksey
Loudon Technical Services LLC
Yongqi Lu
University of Illinois at Urbana-Champaign


geothermal, energy, ddu, deep direct-use, University of Illinois at Urbana-Champaign, Illinois Basin, well design, Mt. Simon Sandstone, extraction well, injection well, doublet, well, wellbore, low temperature, sandstone, extraction, injection, brine, cost, diagram, economic, design, drilling, completion, production


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