Drilling
Beginner-friendly guides to drilling oil and gas wells: well planning, casing and cementing, drilling mud, bits, and operational pressures.
Drilling Mud Additives: Types, Functions and Examples
Learn the main groups of drilling mud additives, what each one does, and common examples such as barite, bentonite, PAC and KCl.
What Is a Well Kick? Causes, Warning Signs and Control
A kick is an unwanted flow of formation fluid (gas, oil or water) into the wellbore. It happens when the pressure of…
Oilfield Units of Measurement: Why They Matter and How to Convert
Every number in the oil and gas industry comes with a unit, and a number without its unit is meaningless. A mud…
How to Calculate Hydrostatic Pressure: Formula, Examples and Calculator
Hydrostatic pressure is the pressure created by the weight of a column of fluid at rest. In drilling, it is the pressure…
Drilling Mud and its Additives
In the years since drilling muds were first used in exploratory and development wells, the technology has undergone many changes. Today, better…
Introduction to Casing and Cementing
PROGRAM DESIGN 1- Types of Casings and Functions There are five main types of casings · The Conductor Casing or stove pipe…
Drilling Bits
The bits and its performance are what rotary drilling is all about. When the bit is on bottom and making hole, it…
Formation Pressure
Formation pressure, also called pore pressure, is the pressure of the fluids inside the pores of a rock. Knowing it is essential…
Types of Casings and Functions
Casing is the steel pipe that is run into a drilled hole and cemented in place to form a permanent, protected wellbore.…
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…
