دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an exploration method in which an instrument that measures the intensity of the natural magnetic forces existing in the earths subsurface is passed over the surface or through the water. The instrumentation detects deviations in magnetic forces, and such deviations may indicate the existence of underground formations that favour the entrapment of hydrocarbons.