87920647
May 14, 2018
Equipment, namely, programmable logic controllers, used in programming sensors installed on downhole valves, and equipment for use in remote actuation of downhole equipment
MachineryInstallation of fracturing and stimulation valves; services for use in stimulating a hydrocarbon-bearing reservoir, namely, hydraulic fracturing and stimulation services
Building Construction and RepairScientific and technological services, namely, testing, monitoring, analysis and research services in the field of oil and gas well fracturing using signal-operated downhole valves
Computer and Scientific