Drilling machines and parts therefor, namely, computer-controlled choke equipment used to monitor drilling and operate choke valves during the drilling process; Automatic drilling machines used to control open hole and closed hole drilling based on real-time data collected from instruments at rig sites; Automatic drilling machines used for MPD ("Managed Pressure Drilling") drilling operations

Computer hardware, namely, drilling rig sensors, actuators, data processors, recorders and displays used to monitor drilling operations, to acquire, store and display drilling data and to control the operation of associated chokes, valves, rotary tables, pipe feeds and pumps; recorded computer software for kick flow monitoring and generating related data in the field of oil field drilling operations; recorded computer software for caliper logging while drilling and generating related data in the field of petroleum drilling operations; recorded computer software for determining real-time hole cleaning efficiency and generating related data in the field of oil field drilling operations; recorded computer software for identification of drilling disfunction/upset conditions and generating related data in the field of oil field drilling operations; recorded computer software for kick flow monitoring in the field of oil field drilling operations; recorded computer software using artificial intelligence for reviewing a database of information about oil field drilling parameters, geological parameters, drilling fluid characteristics, production fluid characteristics, and real-time data from a drilling rig for controlling the drilling operation and generating natural language written reports of drilling operations containing summaries of the relevant facts, events, production and persons with associated timelines, charts, spreadsheets and graphics, all in the field of oil field drilling operations; gas analyzing equipment that incorporates gas sensors for collecting samples in drilling fluids to determine the concentrations of various gases therein; gas monitoring equipment for detecting and measuring concentrations of gases during oilfield drilling operations; drilling rig instrumentation, namely, drilling rig pit volume totalizers for use on drilling rigs to provide an early warning of high pressure kicks in the wellbore

Non-downloadable computer software for receiving data from drilling rig sensors, actuators, data processors, recorders and displays used to monitor drilling operations, to acquire, store and display drilling data and to control the operation of associated chokes, valves, rotary tables, pipe feeds and pumps; Non-downloadable computer software for kick flow monitoring and generating related data in the field of oil field drilling operations; Non-downloadable computer software for caliper logging while drilling and generating related data in the field of petroleum drilling operations; Non-downloadable computer software for determining real-time hole cleaning efficiency and generating related data in the field of oil field drilling operations; Non-downloadable computer software for identification of drilling disfunction/upset conditions and generating related data in the field of oil field drilling operations; Non-downloadable computer software for kick flow monitoring in the field of oil field drilling operations; Non-downloadable computer software using artificial intelligence for reviewing a database of information about oil field drilling parameters, geological parameters, drilling fluid characteristics, production fluid characteristics, and real-time data from a drilling rig for controlling the drilling operation and generating natural language written reports of drilling operations containing summaries of the relevant facts, events, production and persons with associated timelines, charts, spreadsheets and graphics, all in the field of oil field drilling operations; Non-downloadable computer software for monitoring drilling rig instrumentation, namely, drilling rig pit volume totalizers for use on drilling rigs to provide an early warning of high pressure kicks in the wellbore