Remaining Oil Investigation in a High Recovery Oilfield

Residual oil estimations are mainly based on special analysis<br>of representative core samples (SCAL). In high recovery oil<br>fields, where remaining oil saturations approach residual oil<br>saturations, it is possible to test these estimations using Pulsed<br>Neutron Decay (PND) logging to monitor water saturation<br>changes. Such monitoring techniques can identify<br>inconsistencies, leading to possible adjustments in recovery<br>strategies and eventual improvements in ultimate recovery.