تماشای ویدئو فیلم قدیمی فرآیند حفاری چاه نفت همراه انیمیشن از آی-ویدئو

In this oil drilling video, you will learn about oil rig systems and working in the oil industry. Terms discussed are: bit, drill collar, drill string, derrick, oil pipe line, blowout preventer, diesel engine, shale shake, fracking and more. https://www.youtube.com/channel/UCFdKnjmeaUvJ4ZJmENHwCCA