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Pressure Temperature Log
BestPractices Allowing the well to reach equilibrium with the surrounding formation is going to provide the most accurate reservoir temperature (Blackwell, et al., 2010).  +
DataAcquisition There are a number of tools that can be used for logging temperature and pressure in a geothermal well. Data is sent up the hole to a computer and can be monitored in real time.  +
EstimatedCostHighUSD 250 centUSD (0.0025 kUSD, 2.5e-6 MUSD, 2.5e-9 TUSD)  +
EstimatedCostLowUSD 60 centUSD (6.0e-4 kUSD, 6.0e-7 MUSD, 6.0e-10 TUSD)  +
EstimatedCostMedianUSD 148 centUSD (0.00148 kUSD, 1.48e-6 MUSD, 1.48e-9 TUSD)  +
EstimatedTimeHigh 0.00654 years (57.36 hours, 2.39 days, 0.341 weeks, 0.0785 months)  +
EstimatedTimeLow 0.00337 years (29.52 hours, 1.23 days, 0.176 weeks, 0.0404 months)  +
EstimatedTimeMedian 0.004 years (35.04 hours, 1.46 days, 0.209 weeks, 0.048 months)  +
ExplorationCostPerMetric foot  +
ExplorationGroup Downhole Techniques +
ExplorationSubGroup Well Log Techniques +
ExplorationTimePerMetric job  +
FieldProcedures After a well has been drilled and fluids h
After a well has been drilled and fluids have stopped circulating the temperature of the well is expected to equilibrate with the surrounding rocks in a matter of hours to days. Once equilibration is reached a temperature-pressure tool is lowered into the hole to take measurements as it descends into the hole. This is done at the well head.
the hole. This is done at the well head.  +
HydroInfo fluid cirulation, over-pressured zones, and under-pressured zones.  +
Name Pressure Temperature Log  +
OpenEI/PageDescription About Pressure Temperature Log, a geothermal exploration technique, including areas of use.  +
OpenEI/PageKeyword geothermal  + , exploration  + , techniques  + , Pressure Temperature Log  + , areas  +
Pitfalls Fluids are being circulated in the hole du
Fluids are being circulated in the hole during drilling, this cools the rocks in the immediate vicinity of the well. Taking temperature measurements too soon after drilling can cause erronerous measurements that are lower than the true formation temperature (Blackwell, et al., 2010).
ion temperature (Blackwell, et al., 2010).  +
References Blackwell, et al., 2010, http://smu.edu/geothermal/publications/SMU_SECO_CM709_TexasGeothermalReport.pdf  +
StratInfo Perturbations in temperature or pressure can be indicative of faults or other structural features  +
ThermalInfo Temperature profile with depth  +
TypeOf Well Log Techniques +
Has query
"Has query" is a predefined property that represents meta information (in form of a subobject) about individual queries and is provided by Semantic MediaWiki.
Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log + , Pressure Temperature Log +
Has processing error
"Has processing error" is a predefined property provided by Semantic MediaWiki and represents errors that appeared in connection with improper value annotations or input processing.
Pressure Temperature Log + , Pressure Temperature Log +
Categories Exploration Techniques , Geothermal , Well Log Techniques , Pressure Temperature Log
Modification date
"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
02:45:40, 29 March 2013  +
hide properties that link here 
DOI-BLM-NV-C010-2012-0035-DNA + , Pressure Temperature Log At Alum Area (DOE GTP) + , Pressure Temperature Log At Chena Geothermal Area (Holdmann, Et Al., 2006) + , Pressure Temperature Log At Colrado Area (DOE GTP) + , Pressure Temperature Log At Fish Lake Valley Area (DOE GTP) + , Pressure Temperature Log At Flint Geothermal Area (DOE GTP) + , Pressure Temperature Log At Fort Bliss Area (DOE GTP) + , Pressure Temperature Log At Glass Buttes Area (DOE GTP) + , Pressure Temperature Log At Maui Area (DOE GTP) + , Pressure Temperature Log At Mccoy Geothermal Area (DOE GTP) + , Pressure Temperature Log At Roosevelt Hot Springs Geothermal Area (Faulder, 1991) + , Pressure Temperature Log At Silver Peak Area (DOE GTP) + , Pressure Temperature Log At Soda Lake Area (DOE GTP) + , Pressure Temperature Log At Steamboat Springs Area (Combs, Et Al., 1999) + , Pressure Temperature Log At Vale Hot Springs Area (Combs, Et Al., 1999) + , Pressure Temperature Log At Valles Caldera - Redondo Geothermal Area (Rowley, Et Al., 1987) + , Pressure Temperature Log At Wister Area (DOE GTP) + ExplorationTechnique
PT Spinner Log + , Pressure Temperature Spinner + , Pt Spinner Log + redirect page
 
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