Utah State Prison Geothermal Test

Morrison-Knudsen Company, Inc. In Association With The University Of Utah Research Institute Conducted A 30 Day Flow Test Of The Utah State Prison Geothermal Well Located Near Riverton, Utah. The Project Consisted Of Pre-Test Monitoring, Flow Testing, Chemical Sampling And Analysis, And Well Recovery Monitoring. The Test Consisted Of Flowing At 300 Gallons Per Minute For 20 Days, Increasing The Flow To 600 Gallons Per Minute For 14 Days And Monitoring Recovery For 10 Days. In Addition To The Test Well Seven Surrounding Wells And Two Thermal Springs Were Monitored. Data From The Test Show The Water To Be A Sodium Chloride Type With A Total Dissolved Solid Content Ranging From 1778 To 1898 Ppm. The Utah Roses Well, The State Forestry Well, And Crystal Hot Springs All Have Similar Water Chemistry As The Utah State Prison Well. A Significant Difference Is Seen In Non-Thermal Ground Water In The Study Area Supporting The Concept The Source Of The Thermal Water Is The Deeper Quartzites With The Source Of The Groundwater The Overlying Clay-Rich Sediments. Reservoir Data Support The Concept Of A Fractured, Rather Extensive Reservoir. Transmissivities Are High (For Usp/Th-1) Ranging Up To 160,000 Gpd/Ft At The 600 Gallon Per Minute Flow Rate. Test Data Indicate The Utah State Prison Well Will Sustain Flow At The Desired 200 Gallon Per Minute Rate Assuming No Excessive Withdrawals Occur From Other Wells Developed In The Reservoir. Ample Recharge Should Occur During The Non-Heating Season To Recharge The Reservoir To Within 80 To 100 Percent Of The Original Pre-Production Pressures. Egi Reference Number Gl04241

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Citation Date 1982-09-01T00:00:00

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Original ID 720325D2B0504919B4B8453E4C0BDC13
Index Date 2014-06-17T13:37:17
Original Format ISO-USGIN
Original Version 1.2


Name D. Foley
Email sbivens@egi.utah.edu

Geographic Extent

North Bound 42
South Bound 37
East Bound -109.04
West Bound -114.07