Modeling of subsurface based on gravity data with second vertical derivative (SVD) and euler deconvolution optimazitation

Abstract

The purpose of this study is to estimated the mean depth of bedrock in the Sahul Basin and identification of subsurface geological of the research area. The study contucted in Sahul Basin, which is associated with a basins in Papua New Guinea that has been proven to produce oil and gas, with the adjacent geographical location, is expected to have the same play concept. The analysis that used in this research is Second Vertical Derivative (SVD) to know the geological structure, Euler Deconvolution to get depth solution, and Forward Modelling 2D for information of the subsurface. The results of the study have shown that the average depth of bedrock is more than 3500 meters, and structur that developed of the research area are strike slip fault, normal fault, and reverse fault, that occured due to the compression force between Australian Continental Plate and Pacific Ocean Plate.