Archives: Glossary Terms

Sweet gas is a fundamental classification in natural gas production and operations, referring to natural gas that contains very low concentrations of hydrogen sulfide (H2S)…

A Subsea Production System (SPS) is a comprehensive arrangement of wellheads, manifolds, flowlines, risers, and control equipment installed on the seabed to produce hydrocarbons from…

Sour gas is natural gas that contains significant quantities of hydrogen sulfide (H2S), a toxic, corrosive, and flammable gas with a characteristic odor of rotten…

Reservoir pressure is the pressure exerted by fluids (oil, gas, and water) within the pore spaces of a subsurface rock formation. It is the primary…

A pump jack, also known as a beam pumping unit or a nodding donkey, is a mechanical device used in the oil and gas industry…

Stimulation refers to a set of techniques used in oil and gas wells to enhance the flow of hydrocarbons from the reservoir into the wellbore.…

A reservoir is a subsurface rock formation containing interconnected pores or fractures that hold significant quantities of petroleum (oil and natural gas) and water. In…

Petroleum, often called crude oil, is a naturally occurring liquid mixture of hydrocarbons found in geological formations beneath the Earth’s surface. It is the lifeblood…

An oil well is a borehole drilled into the Earth’s subsurface to access and extract liquid petroleum (crude oil) and associated hydrocarbons. It is the…

Perforation is a critical well completion operation in which holes are created through the well casing and cement sheath, as well as a short distance…

Natural gas processing is a critical industrial sequence that transforms raw natural gas, as it emerges from the wellhead, into pipeline-quality, marketable natural gas and…

Mud Logging is a continuous, real-time subsurface monitoring and data acquisition service performed during the drilling of an oil or gas well. It involves the…