Topics: Geology, igneous rocks, metamorphic rocks, Basement complex, migmatite-Gneiss complex, Schist Belt, Younger granites, Metasomatism, Argillic Alteration, Cenozoic Magmatism, Volcanism, Benue trough, Bornu basin, Lithostratigraphy, Bima sandstone, Gongila formation, Fika shalel, Gombe sand stone, Kerri-kerri formation, Chad formation, Sokoto basin, Maastrichtian Deposits, Bida basin, Paleocene Deposits, Dahomey Basin, mineral resources, Niger delta basin, mineral resources, solid mineral resources, Dahomey Basin, Industrial Mineral Deposits, iron deposits, Gold, Tin-Tantalum-Niobium Pegmatites, Chromite, Nickel, Talc, Asbestos, uranium, Gemstones, coal, Coniacian coals, Petroleum Resources, clay

Topics: Pedology, Soil Physics, soil formation, soil morphology, soil characteristics, soil components, soil-forming rocks, rock weathering, minerals, soil survey, soil mapping, soil classification, Nigerian Soils, Nigerian Soils properties, Nigerian Soils classification

Topics: Petroleum Geology, Basic Rock Properties, Petroleum Exploration Methods, General Leasing Practices, Cable Tool Drilling, rotary drilling, rotary drilling fluids, Rotary Drilling Hydraulics, penetrarion rate, Rotary Drilling Techniques, core, core analysis, well logging, formation damage, drill stem testing, oil well cementing, casing practices, well completion

Topics: material science, corrosion, forming process, sheet metalworking, metal forming, mechanical porperties, mechanical porperty testing, hardness test, Brinell hardness number, Vickers hardness number, diamond pyramid hardness, Rockwell hardness testing, tension test, fatique testing, creep testing, tensil test, radiography, magnetic particle inspection, magnetic particle crack detection, dye penetrant testing, ultrasonic flaw detection, eddy current, electro-magnetic methods, eddy current testing, non-destructive testing methods, magnetic properties

Topics: peak oil, rock properties, isothermal compressibilty, gas law, specific gravity, material balance equation, Havlena method, odeh method, single-phase reservoirs, gas reservoir, gas-condensate reservoir, lean gas cycling, water drive, oil reservoir fluid, Kelly-Snyder field, canyon reef reservoir, Gloyd-mitchell zone, Rodessa field, water compressibility, saturated oil reservoir, gas liberation technique, volatile oil reservoir, Darcy's law, permeability, steady-state flow, linear flow, radial flow, transient flow, pseudosteady-state flow, productivity ratio, superposition, drawdown testing, skin factor, buildup testing, water influx, steady-state model, unsteady-state model, Van Everdingen drive model, Hurst Edgewater drive model, bottomwater drive, recovery efficiency, microscopic displacement efficiency, relative permeability, macroscopic displacement efficiency, immiscible displacement process, Buckley-leverett displacement, Oil recovery

Topics: Soil Science, silicate chemistry, soil form rocks, minerals, soil composition, soil porosity, soil texture, soil density, soil water relationships, Evapo-Transpiration, tillage, soil properties, Soil Micro-Organisms, Shifting Cultivation, Fallow System

Topics: Soil Conservation, Water Conservation, erosion, Soil Erosion and Civilization, Geologic Erosion, Sedimentation, Landscape Development, rock types, Sedimentary Landforms, Mass Movement Deposits, Glacial Landscapes, Water Erosion, erosion damage, Vegetation, Soil Properties, Soil Erodibility, pollution, Water-Erosion Control, Wind Erosion, wind erosion process, Windbreaks, Shelterbelts, Wind-Erosion Control, Predicting Soil Loss, Tolerable Soil Loss, Universal Soil Loss Equation, Computer-Based Soil Loss Prediction Models, Wind-Erosion Prediction Equation, Wind Erosion Prediction System, Soil Map Unit Interpretations, soil survey, Land Use Planning, managing land, cropping systems, Managing Monocultures, crop rotations, Multiple Cropping, Evaluating Cropping Systems, strip cropping, tillage, Conservation Tillage, deep tillage, Contour Cultivation, Emergency Wind-Erosion Control, Gully-Control Structures, road ditches, culverts, Earthen Dams, Streambank Protection, flood control, Wind Erosion-Control Structures, Pastureland Management, Rangeland Management, Forestland Management, water cycle, drought, Soil Drainage, wetlands, Irrigation, Irrigation Methods, Land Reclamation, Conservation Irrigation, soil pollution, pollutants, industrial wastes, agricultural wastes, aerosols, polluted soil, Hazardous Sites, Soil Remediation, Water Quality, water Pollution, Water acidification, Farm Service Agency

Topics: Geology, Earth's Surface, Earth's Dimensions, Surface Relief, Earth's Interior, Temperature gradient, Earth's Density, Earthquakes, Isostasy, Continental Drift, Oceanic Ridges, Rock Magnetism, Drift Mechanism, Geological History, Strati-graphical column, Plate Tectonics, Earth age, Earth origin, Precambrian, Phanerozoic, Surface Processes, Weathering, Erosion, Deposition, Minerals, Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks, Geological Structures, Strength of Geological materials, In-situ investigations, Laboratory investigations, Geological Maps, Ground-water, Slope Stability, Reservoirs, Dams, Excavations, Ground water treatment, Nuclear waste, Foundations, Construction materials, Water supplies, Retaining walls, Thermal treatment, Consolidation, Grouting, Dewatering, Underground excavations, Disposal of excavated materials, Surface excavations, Ground-water control, Underground reservoir, Reservoirs, Dams, Slope Stability, Slope Failure, Water levels, Aquifers, Aquicludes, Hydrological Cycle

Topics: Petroleum Production System, Properties of Oil, Properties of Natural Gas, Reservoir Deliverability, Wellbore Performance, Choke Performance, Well Deliverability, Forecast of Production, Production Decline Analysis, Well Tubing, Separation Systems, Artificial Lift Methods, Sucker Rod Pumping, Gas Lift, Well Problem Identification, Matrix Acidizing, Hydraulic Fracturing

Topics: Engineering Thermodynamics, Work, Heat Transfer, Thermodynamic properties, temperature, Law of Thermodynamics, Non-Flow Processes, Constant volume process, Constant pressure process, Polytropic process, Adiabatic process, Isothermal process, Flow Processes, Nonsteady-flow processes, Boiler, condenser, Throttling, Reciprocating compressor, Cycle efficiency, Reversibility, irreversibility, Exergy, Gibbs function, steady-flow system, Properties of Fluids, Vapour Power Cycles, carnot cycle, rankine cyclel, reheat cycle, regenerative cycle, economiser, air preheater, steam cycles, Gas Power Cycle, gas turbine cycle, Closed-cycle gas turbine, Intercooling, reheating, Combined gas, steam cycles, Reciprocating engine cycles, Heat Pump, Refrigeration Cycles, Reversed Carnot cycle, Practical refrigeration cycles, Water refrigerator, Absorption refrigerators, Gas cycles, Hygrometry, psychrometry