About the problem of separating the geopotential fields in geophysical exploration of salt-dome basins
The main objective in searching for oil-and-gas deposits in salt-dome basins is to discover subsalt structures. The combination of seismic prospecting with other geophysical methods, especially with gravitation prospecting, makes the discovery ofsuch structures more efficient. The reliability offorecasting increases if, beforehand, the problem of separating the geopotential fields is solved and the influence of a salt-dome factor is eliminated in them. Several approaches are possible in solving this problem: those based on deterministic (geological reduction) and probabilistic-and-statistical (correlative transformation) model of interpretation, which is illustrated by the example of Astrakhan Arch