184403 ⎘
Program-control systems; Nc systems; Nc in input of data, input key till input tape Method to drill, machine based on ratio bore depth, diameter, select tools
NUMERICAL VALUE CONTROLLER
#2Automatic hole-processing method with self-adapting adjustment of processing parameters
#3SYSTEMS AND METHODS FOR HORIZONTAL WELL GEOSTEERING
#4Controlled pneumatic well pumping system, and method for optimizing pump stroke speed
#5Autonomous blowout preventer
#6Well Pumping System Having Pump Speed Optimization