Oil and Gas Terms Beginning with “S” — Page 17

Synthetic-base muds (SBM) are nonaqueous water-internal (invert) emulsion drilling fluids in which the external (continuous) phase is a synthetic hydrocarbon fluid rather than a refined oil — the most common synthetic… Read more →

A type of minor fault whose sense of displacement is similar to its associated major fault. Antithetic-synthetic fault sets are typical in areas of normal faulting. Read more →

A gas obtained by heating coal or refining heavy hydrocarbons. Synthetic natural gas is abbreviated SNG. Read more →

What Is a Synthetic Seismogram? A synthetic seismogram is a modelled seismic trace computed by convolving the reflection coefficient series derived from wireline density and sonic log data at a well location with a… Read more →

A synthetic seismogram is a computed seismic trace constructed from well log data — primarily sonic (acoustic velocity) and density logs — that predicts what the seismic reflection response at a specific well location… Read more →

Synthetic base fluid is the continuous phase of synthetic-base mud (SBM) — a purpose-designed hydrocarbon-like liquid that replaces conventional petroleum-derived mineral oils in oil-base mud formulations, providing the… Read more →

Synthetic-base muds (SBM) are nonaqueous water-internal (invert) emulsion drilling fluids in which the external (continuous) phase is a synthetic hydrocarbon fluid rather than a refined oil — the most common synthetic… Read more →

SBR (synthetic/brine ratio) is the volumetric ratio of the synthetic base fluid (internal olefin, linear alpha olefin, ester, poly-alpha olefin, or other synthetic liquid hydrocarbon) to the brine (emulsified water… Read more →

The synthetic-water ratio (SWR) is the recipe number that tells a drilling crew what fraction of their drilling mud is synthetic base fluid and what fraction is water. It is written as two numbers separated by a slash,… Read more →

A reproducible inaccuracy of measurement introduced by either faulty design, failing equipment, inadequate calibration, inferior procedure or a change in the measurement environment. Read more →

A systems tract is a fundamental unit of sequence stratigraphy comprising a set of contemporaneous depositional systems (linked assemblages of environments such as rivers, deltas, shorelines, and deep-water fans) that… Read more →