Drilling Systems and Operation
The main drilling systems and operations on a rig, with the equipment and procedures explained step by step.
Drilling Bits
The bits and its performance are what rotary drilling is all about. When the bit is on bottom and making hole, it…
Overview of Well Planning
Drilling an oil or gas well plays a key role in overall field development. Good well planning makes sure the well is…
Key Pressure Definitions
One of the primary jobs of drilling mud is to control formation pressure, the pressure of the fluids in the rock pores.…
Types of Operational Pressures
Drilling engineers work with three main pressures: hydrostatic pressure, overburden pressure and formation pressure. This article explains the first two with their…
