Production Zone Perforating
Since the pay zone is sealed off by the production string and cement, perforations must be made in o…
Underbalanced drilling vs Conventional drilling
Underbalanced drilling, or UBD, is a procedure used to drill oil and gas wells where the p…
How do you apply and measure makeup torque?
Most drilling rigs have catheads on each side of the drawworks which are used to apply line pull to…
How do we control hole angle?
Most people today use a packed hole assembly to overcome crooked hole problems and the pendulum is u…
What you see in this photo is an accumulator. It is one of the most important part of blow out preve…
Temperature Conversion Table
Useful professional temperature conversion table: Fahrenheit and Celsius. Also included in…
What is hevi-wate drill pipe?
Hevi-Wate drill pipe is an intermediateweight drill stem member. It consists of heavy-wall tubes att…
Classification of Wireline Logging Tools
1. Lithology Logs - These logs are designed to:
Type of Flanges
More than 30 useful types of flanges. Very interesting flanges chart.