FD — Oil & Gas Glossary
In seismic surveying or processing, the use of a function of frequency rather than time to express an independent variable or measurement. In contrast, in the time domain, variables are expressed as a function of time instead of frequency.
In the News
US LNG Exports Hit Near-Record 18.9 Billion Cubic Feet Per Day as Cheniere Completes Corpus Christi Train 5, Stage 4 Application Filed
LNG / Natural GasApr 17, 2026
Golden Pass LNG Prepares First Export Cargo as ExxonMobil and QatarEnergy Commission Sabine Pass Train 1, Adding 6 mtpa of U.S. LNG Capacity
lngApr 4, 2026
Azule Energy and TotalEnergies Bring Angola's Quiluma Offshore Gas Field Online, Adding 330 MMcfd and 2 Million Tonnes of Annual LNG Capacity
OffshoreMar 30, 2026