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Forensic Geology, Hydrogeology, Well Drilling, General Engineering
Expert has more than 38 years of experience as a geologist. He is a certified hydrogeologist, professional forensic geologist, licensed well driller, and general engineering contractor. His most recent work includes forensic analysis of subsurface events, including pipe breaks, contaminant…
Drilling Fluids, Solids Control, Waste Management
Expert has a background of masters in chemistry and has 33 years of on hand experience on the rigs, labs and as the manager for drilling fluids. He has been supervising 10-18 land rig operations at a time as Drilling…
Geology, Hydrogeology, Hydrogeochemistry, Groundwater Flow Modeling, Contaminant Transport Modeling, and Statistics
Expert has practiced as a professional hydrogeologist starting in 1986 and holds licenses to practice geology in several states. His well-rounded experience allows him to conceptualize and describe complex problems and to visually present them in three dimensions in order…
Geochemistry of Rocks, Minerals and Sediments
Expert has over two decades of expertise in radiogenic isotope geochemistry, especially as it relates to geochronology for study of crustal evolution and petrogenesis mostly via U-Th-Pb zircon and other isotopic techniques (Lu-Hf, Sm-Nd). He is experienced in the documentation…
Geosciences, Nuclear Waste (Glass), Plate Tectonics, Igneous Geology, Faults, Earthquake Hazards
Expert is an Instructor at a University in the Geology Department. She has taught at seven other universities and have held three postdoctoral fellowships/research positions. She is an igneous petrologist, analytical geochemist, genetic mineralogist and field geologist: She uses petrology…
Environmental Geochemistry, Mineral Resources, Groundwater Remediation and Issues
Expert is a geochemical expert in natural contamination of groundwater by natural geobiological actions on naturally occurring minerals, geochemistry and bioremediation of groundwater contaminated by metals (Cr, Pb, Zn, Cd, etc.) or radionuclides (U, Co, Sr, Cs, Tc, trititium, etc.),…
Petroleum Reservoirs, Coalbed Methane, CBM, Shale Gas, Unconventional Gas, Sorption, Sorbed Gas
The emergence of "unconventional reservoirs" as the principal focus of present-day fossil fuels exploration has blurred the boundaries between what were at one time distinct resource categories, based upon specific production technologies. The unifying theme of this group of topics…
Mineralogy, Metamorphic Petrology, Zeolite Technology, Clays, Enviromental Sciences
Mr. Ríos has developed several research and teaching activities on geology topics. He has participated in several field works on crystalline basement complexes in different areas of Colombia, which have contributed to improved understanding of the geology and tectono-metamorphic evolution…
Geological, Geophysical, Geochemical & Geotechnical Surveys and Exploration Mineral Exploration
He has used his expertise of geology, geomorphology and terrain analysis in coal exploration and planned a drilling program which saved money by avoiding unnecessary excessive drilling. General term for folding, faulting, and other processes resulting from shear, compression, and…
Oil and Gas: Opportunities Worldwide, Evaluation and Management
Oil or petroleum exploration has evolved from an obscure, specialized prospecting activity into a complex, sophisticated, highly technical global industry. In a basic sense the industry involves identifying areas in sedimentary basins that have evidence for generating hydrocarbons and the…