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Introduction to hydrogeology
1 Fluids in the Crust: The Science of Hydrogeology 2 Darcy's Law and Hydraulic Head 3 Properties of Porous Media 4 Properties of Geologic Fluids 5 Transient Flow 6 Near Surface Flow 7 Driving ForcesExpand
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Factors Necessary to Define a Pressure Seal
A pressure seal is a rock layer capable of confining anomalous pressure over geologic time. In general, three factors are necessary to define a pressure seal: time, thickness, and permeability. TheExpand
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Application of bottom-hole temperature corrections in geothermal studies
Abstract Bottom-hole temperature (BHT) data measured in oil and gas wells constitute a large, low quality set of temperature observations commonly used in geothermal studies. Raw BHT data are, on theExpand
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Heat flow and subsurface temperature as evidence for basin-scale ground-water flow, North Slope of Alaska
In conjunction with the U.S. Geological Survey's exploration program in the National Petroleum Reserve, Alaska (NPRA) several high-resolution temperature logs were made in each of 21 drillholesExpand
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For-Profit Colleges
For-profit, or proprietary, colleges are the fastest-growing postsecondary schools in the nation, enrolling a disproportionately high share of disadvantaged and minority students and thoseExpand
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Estimation of the thermal conductivity anisotropy of rock with application to the determination of terrestrial heat flow
A moderately large data set of mostly sedimentary and metamorphic rocks compiled from the literature shows an inverse correlation between thermal conductivity anisotropy and thermal conductivityExpand
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Thermal conductivity of U.S. coals
Coal samples in the form of randomly oriented aggregates were obtained from the Pennsylvania State University Coal Bank for the purpose of thermal conductivity measurements. Samples represented 55Expand
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Numerical simulations of brine migration by topographically driven recharge
The migration of abnormally warm, saline water through the Appalachian basin and North American midcontinent in Paleozoic time has been inferred from fluid inclusion studies, remagnetizations, andExpand
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Heat flow and thermal history of the Anadarko Basin and the western Oklahoma Platform
Abstract The average geothermal gradient in the Anadarko Basin and the Oklahoma Platform estimated from 856 corrected bottom-hole temperatures (BHTs) is 21°C/km. Analysis of previously publishedExpand
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Regional permeability estimates from investigations of coupled heat and groundwater flow, north slope of alaska
Earlier studies of terrestrial heat flow in the North Slope Basin, Alaska, found that heat flow varies systematically in a trend perpendicular to the strike of basin strata and the neighboring BrooksExpand
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