Unconstrained inversion

An inversion which is driven only by controlled-source electromagnetic (CSEM) data

No seismic, well-log or other data are used to constrain or guide the inversion process as its attempts to produce a resistivity model that optimally explains the measured CSEM data.

By adding constraints, the inversion process can be made to produce a resistivity model that fits other datasets.

See also constrained inversion.