Saturation evaluation of microporous low resistivity carbonate oil pays in Rub Al Khali Basin in the Middle East

WANG Yongjun,SUN Yuanhui,YANG Siyu,WU Shuhong,LIU Hui,TONG Min,LYU Hengyu

Table 1 Parameters of samples a and b from Well A14

Sample Depth/ m Lithology Porosity/ % Permeability/ 10-3 μm2 Average pore throat radius/μm Conductive path tortuosity Cementation index Water saturated resistivity/(Ω•m) Resistivity at water content of 50%/(Ω•m) Resistivity in bound water state/(Ω•m) a 2 958.2 Grainstone 20.2 114 3.8 3.88 2.14 0.61 2.4 14.7 B 2 973.2 Packstone 19.7 1.7 0.25 2.43 1.77 0.32 0.7 5.19