کلیپ ها و فیلم آموزشی در زمینه حفاری اکتشافی به فرمت 3gp .
Down The Hole Drilling Method - DTH
Drilling Mud - Liquid polymer
Drilling Rig
Jet Drilling
Oil Drill Animation
Oil Drilling in West Texas
Reverse Circulation Drilling Method
Rotary Drilling Dewatering Wells at ASHTON STW
Runing Casing
The Air Rotary and Down The Hole Hammer Drilling System
The Bucket Auger
The Cable Tool
منبع