1:15:27

Drilling Rig and Drill String Components, Dr. Ashraf Alshorbagy, Lecture 03/04

1:01:34

Introduction to Well Cementing, Eng. Ahmed Mansour

21:38

Oil Well Drilling Process - a Shell film

56:31

The Future of Petroleum Energy by Dr. Nathan Meehan

27:23

HOISTING SYSTEM in Rig- RIG 6 SYSTEMS / DAY-23 - Offshore & Onshore HSE Drilling- SAFETY OFFICER

27:20

Why Don’t Railroads Need Expansion Joints?

58:09

Drilling Fluids Facts (1)

18:38

Mud basics