Geothermal reservoir assessment: Cove Fort-Sulphurdale Unit. Final report, September 1977-July 1979
Three exploratory geothermal wells were drilled in the Cove Fort-Sulphurdale geothermal resource area in southwestern Utah to obtain new subsurface data for inclusion in the US DOE's geothermal reservoir assessment program. Existing data from prior investigations which included the drilling of an earlier exploratory well at the Cove Fort-Sulphurdale area was also provided. Two of the wells were abandoned before reaching target depth because of severe lost circulation and hole sloughing problems. The two completed holes reached depths of 5221 ft. and 7735 ft., respectively, and a maximum reservoir temperature of 353/sup 0/F at 7320 ft. was measured. The deepest well flow was tested at the rate of 47,000 lbs/h with a wellhead temperature of 200/sup 0/F and pressure of 3 psig. Based upon current economics, the Cove Fort-Sulphurdale geothermal resource is considered to be sub-commercial for the generation of electrical power. A synopsis is given of the exploratory drilling activities and results containing summary drilling, testing, geologic and geochemical information from four exploratory geothermal wells.
- Research Organization:
- Union Oil Co. of California, Los Angeles (USA). Geothermal Div.
- DOE Contract Number:
- AC08-77ET28405
- OSTI ID:
- 5414816
- Report Number(s):
- DOE/ET/28405-1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
150303* -- Geothermal Exploration & Exploration Technology-- Exploratory Drilling & Well Logging
150901 -- Geothermal Engineering-- Drilling Technology & Well Hardware
CHEMICAL REACTIONS
CORROSION
DRILLING
ECONOMIC ANALYSIS
ECONOMICS
EXPLORATORY WELLS
FLOW RATE
GEOLOGY
GEOTHERMAL WELLS
Geothermal Legacy
LITHOLOGY
MAPS
NORTH AMERICA
POWER GENERATION
RESERVOIR TEMPERATURE
RESOURCE ASSESSMENT
ROCKY MOUNTAIN REGION
USA
UTAH
WELL DRILLING
WELL LOGGING
WELL TEMPERATURE
WELLS