olettaa Bonus kaksois drill string edellä Kuvaus valo
Logging While Tripping - GR Energy Services - Multistage Completion Technologies
Drilling Professionals - Drill string: The drill string is the mechanical linkage connecting the drill bit at the bottom if the hole to the rotary drive system in the surface. The function
Components of the drill string
Drill Pipe Joint - an overview | ScienceDirect Topics
Sensors | Free Full-Text | Stick-Slip Vibration Suppression in Drill String Using Observer-Based LQG Controller
Components of the drill string
Uncontrolled upward movement of drill string | Safety Alert - Australasian Mine Safety Journal