Oilfield Terms Starting with "S"

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…

A subsea tree (also referred to as a subsea Christmas tree) is a critical piece of wellhead equipment installed on the seafloor to control the…

Surfactant Flooding is an enhanced oil recovery (EOR) technique in which a dilute solution of surface-active agents (surfactants) is injected into a reservoir to mobilize…

Swabbing is a well intervention technique used in the oil and gas industry to remove fluids from the wellbore, typically to initiate or increase the…

Sweep Efficiency is a dimensionless measure of the effectiveness of a displacement process in a petroleum reservoir. It quantifies the fraction of the reservoir volume…

Sweet gas is natural gas that contains only trace concentrations of hydrogen sulfide (H2S) and other sulfur compounds, and therefore meets pipeline specification without sulfur…