LXR

Chemical additives for oil well drilling fluids; Chemical fracturing fluids for use in the oil and gas industry; Drilling completion fluids for wellbore drilling and well servicing in the petroleum and gas industries, namely, an oil based drilling mud for use in drilling engineering of a wellbore; Chemical additives for lubricants for wellbore drilling and well servicing in the petroleum and gas industries

Drilling and industrial lubricants; drilling lubricants, industrial lubricants and non-chemical lubricant additives for wellbore drilling and well servicing in the petroleum and gas industries