f Definition of Residual Oil Saturation with the Use of Radon Indicator

Definition of residual oil saturation is one of the key questions when studying oil and gas field. On of the main methods of residual oil saturation definition is an Induction log. For this purpose reference wells equipped with plastic liner are used. An Impulse Neutron-Neutron log can be another method. This alternative envisages preliminary filling-in of layer with large volumes of water of various mineralization.