OSTMZ

Oil and gas well equipment in the nature of sand control tools, namely, downhole machine and hydraulic fracturing machine tools for controlling sand inflow featuring sand control vibratory screen separators, sand sorting machines, and machine packers

Sand control services related to oil and gas well completion services, namely, hydraulic fracturing services and the installation, repair, and maintenance of sand control systems and machinery designed to prevent migration of reservoir sand into a wellbore-area