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Glossary

This glossary more specifically relates to oil and gas exploration and production terms.

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Echosounder:

Device used to calculate the distance of an obstacle based on the time a soundwave takes to travel to the obstacle and back.

Effluent:

Mixture of oil, gas, water and sand discharged from a well.

Electron:

An elementary particle carrying a negative electric charge. An electron’s mass is negligible compared with that of protons and neutrons.

Enhanced recovery:

Recovery techniques designed to extract more hydrocarbons from a reservoir by physical, chemical or thermal means.

Equipping (a well):

Installing instrumentation to monitor events in a producing well.

Exploration:

Any method used to discover new oil and gas fields.

Exploration well:

Well drilled to find an oil field.