6PAUL F,WORTHINGTON,NADLA PALLATT.Effect of variable saturation exponent on the evaluation of hydrocarbon saturation[J].SPEFE,1992,7(4):331-336.
7HASSOUN T H,ZAINALABEDIN K,MINH C C.Hydrocarbon detection in low-contrast resistivity pay zones,capillary pressure and ROS(residual oil saturation) determination with NMR logging in Saudi Arabia[C].10th SPE meddle east oil show conf,1999:10-18.