THRUBIT

[ Installation, repair, and maintenance of drilling machines and drilling tools in connection with drilling oil and gas wells for others; drilling of oil or gas wells for others; installation, repair, and maintenance of pumping systems for conveying drilling tools and logging tools in connection with drilling oil or gas wells for others; installation, repair, and maintenance of drills, drill bits, drill heads, and drill strings in connection with drilling oil or gas wells for others ]

Analysis for oil and gas field exploration; oil and gas well logging services