Oil and Gas Terminologies – 28 Basic Terms You SHOULD Master Today!

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Oil and gas terminologies can be confusing, especially for people who are new to the industry workforce. While some terms may seem self-explanatory, others are more bizarre and require a breakdown in order to grasp the basic understanding.

However, knowing the oil and gas terminologies is not just important for understanding your colleagues in the industry, it is also imperative for ensuring that your work is done safely and well.

We would like to help you when making a move into the oil and gas industry.

These oil and gas terminologies provides help and guidance in your journey to the industry.

Ultimate Guide to Oil and Gas Terminologies

I have created this ultimate guide to oil and gas industry terminologies to help you get familiar with the industry jargon.

If you want to work in oil and gas, get a head start with this guide to the industry lingo.


This is the standard, basic unit for measuring oil and is equivalent to 42 U.S. gallons or 158.9873 litres.


A blowout is an uncontrolled flow of gas, oil, or other fluids typically caused by a pressure control system failure.


This stands for Barrels of Oil Equivalent and is defined as a unit of energy equal to the energy released by burning one barrel of crude oil.


This stands for Barrels of Oil Equivalent Per Day.


BTU is an acronym for British Thermal Unit, a unit of heat.

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The fittings and valves connected to the top of a well which controls the rate of flow from the well

Crude Oil

This is a naturally occuring and unrefined product of petroleum that can be refined to petrochemicals.


The tower-like structure that controls most of the drilling and provides support for equipment being lowered in the well


The title for the third person in command after the driller and the assistant driller.


 A well from which oil or gas has been recovered.

Dog House

This often refers to a steel-sided room that acts as a communication center for driller and crew.


A term that is linked to oil and gas activities, such as refining, that take place away from the source of the supply.

Drill Cuttings

This refers to pieces of rock found in the well after drilling that are then removed and properly disposed of.


The abbreviation for exploration and appraisal

Oil and Gas Terminologies Contd….


Anything that’s fallen down the wellbore by mistake

Frac job 

Another term for hydraulic fracturing (when an oil or gas well is stimulated by pumping special fluids into the reservoir)


Name of tools used to recover fish from the wellbore


Refers to the length of a pipe


The member of the crew responsible for maintenance of the engines


The degree to which fluids or gas can move through porous material.


Name of the tool used to clean a pipeline


A general term used to refer to porous and permeable rock containing commercial volumes of oil and gas.

Spudding In

A term that describes the first drilling phase of a new well.

Sour Gas

Natural gas contaminated with chemicals, usually sulfur compounds, that causes a sour odour


An acronym for Trillion Cubic Feet of natural gas.


A geological barrier to the upward movement of oil or gas.


This term refers to processes in the oil and gas industry, such as exploration and production, that occur near the supply.

Wildcat well 

An exploratory well that is drilled in an area that isn’t a known oil field


In conclusion, the above oil and gas industry terminologies will give you an idea, and a foothold into the oil and gas industry.

You are now up to speed on the important oil and gas industry jargon.

You can put your knowledge to test by leaving a comment below or asking a question on this or any other term you would like to know.

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