TRIED AND TRUE

Centrifugal pumps; petroleum industry power-operated equipment for drilling fluid processing and solids control, namely, shakers; power operated pressure control equipment for use in drilling oil, namely, chokes and degassers for extracting gas from fluid during oil production and dual mud gas separators for horizontal drilling being components of manifolds

Ignition systems comprised of a gas supply tube with a nozzle and an electrical igniter to create a flame at the nozzle for oil and gas drilling and production operations, namely, for igniting waste gases being discharged from a well; mud gas separators, namely, separators for the cleaning and purification of drilling mud; gas extraction devices, namely, degasser of gas and extractors of liquid for use in extracting gases from drilling fluids; and pressure control equipment, namely, chokes and degassers for separating gas from fluid during oil production; power operated pressure control equipment for use in drilling oil, namely, chokes, and degassers for extracting gas from fluid during oil production and dual mud gas separators for horizontal drilling

Rental of oil and gas well drilling, production and work-over equipment