Hydraulic fracturing evaluation and design services, namely, scientific and technological services for oil and gas wells in the nature of hydraulic fracture design to improve fracture effectiveness, well production and economics; Scientific and technological services, namely, scientific research, analysis and testing of oil and gas wells for identifying and analyzing physical features of hydraulic fractures; technical consultation, namely, analysis of oil fields and oil research specifically to determine drilling target, well spacing, fracture spacing, optimum proppant type, density, sizing, treatment rate and fluid characteristics to be used in oil well and gas well hydraulic fracturing operations; consulting services in the field of reservoir engineering, and hydraulic fracture mapping and diagnostic services; consulting services in the field of oil well and gas well fracture and reservoir engineering; computer modeling consultation services in the field of oil and gas well modeling