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chemical drilling fluids for use in subterranean wells, namely, drilling muds, completion fluids, workover fluids and wellbore fluids; chemical additives for oil drilling fluids; drilling muds and chemical drilling fluids for use in oil well drilling

environmental remediation services, namely, treatment of wastewater from drilling operations including catch basins, storm drains, equalization tanks, sediment basis, lagoons, digesters and drying beds; recycling of biosolids and residuals; environmental remediation services, namely, treatment of soil, sediment and groundwater; waste management planning, namely, drilling fluid waste recycling planning services

engineering services in connection with drilling fluids and drilling fluid use; consulting services in the field of environmental planning of drilling fluid waste, analysis of data from well sites, namely, data about well fluid design, well drill cuttings, well formation stability, well borehole stability and well fluid circulation; engineering services, namely, providing technical engineering advice on the use of products for drilling, namely, drilling fluids, mud products, mud systems, and solids and control equipment