PUREGOLD

Bentonite; Bentonite drilling fluid, namely, bentonite used in foundation drilling, environmental drilling, well drilling and borehole drilling; Biodegradable polymer drilling fluid, namely, chemicals used in foundation drilling, environmental drilling, well drilling and borehole drilling; Bentonite used to seal annular space in wells and boreholes; Bentonite used to seal boreholes, seismic shot holes and decommissioned wells; Chemical drilling fluids, namely, chemicals used in oil drilling; Oil well drilling chemicals for use in the oil industry, oil sands mining and oil well drilling; Chemical drilling fluids, namely, chemicals for use in oil sands mining

Chemical tool joint lubricant for use in foundation drilling, environmental drilling, well drilling and borehole drilling

Bentonite grout