providing oil and gas well services, namely, using chemical compositions to enhance oil and gas well production, hydraulic fracturing and drilling within wellbores; consultation in oil, gas, and fossil fuel drilling, hydraulic fracturing and stimulation operations; clearing and cleaning of wellbores using chemical compositions; remedial services in the field of oil and gas production to restore a wellbore to higher production levels

treatment services for oil and gas wells, namely, introducing chemical compositions for completing, stimulating and allowing production from oil and gas wellbores; oil and gas well fracturing and stimulation treatment services; technical advice and consultancy services in relation to downhole treatment services for oil and gas wellbores; environmental remediation services, namely, treatment of produced water, frac water and drilling waste in the field of oil and gas wells; environmental remediation services, namely, treatment of waste water from hydraulic fracturing in the field of oil and gas wells; advisory and consultancy services in relation to gas production and all of the aforesaid services; consulting services in the field of water and wastewater treatment; providing surface and subsurface biological remediation services for the oil and gas industry

scientific and technological services, namely, scientific research, analysis, testing to produce plans for extracting oil and gas in connection with oil, gas, and fossil fuel production, fracturing, drilling and stimulation; technical research in the field of wastewater treatment