Abstract
Abstract Gravity and gravity gradiometry surveys have been widely used in mining and petroleum exploration. Interest in borehole gravity measurements has grown because they can help to detect deep targets. The best way to obtain a three-dimensional (3D) density distribution is by the joint interpretation of surface and borehole gravity data, which is a very challenging problem. The 3D inversion would be a choice for the quantitative interpretation of gravity and gravity gradiometry data; however, it is a complicated and time-consuming procedure that is very dependent on the a priori model and constraints used. Our research has shown that joint iterative migration of surface and borehole gravity and gravity gradiometry data can better image subsurface density distribution. This chapter presents the results of the new developments in the joint migration of surface and borehole gravity and gravity gradiometry data.
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