86965319
Apr 5, 2016
Mar 14, 2017
Chemical additives for fracturing fluid for use in oil and gas wells; proppant for use in oil well and gas well hydraulic fracturing operations
ChemicalsWell improvement services, namely, bonding and securing well casing and providing zonal isolation for oil and gas well drilling services
Building Construction and RepairOil and gas well treatment, namely, fracturing, acidizing and cementing of oil and gas wells, and treating oil and gas wells using nitrogen
Treatment of Materials