Pore-throat structure characteristics and its impact on the porosity and permeability relationship of Carboniferous carbonate reservoirs in eastern edge of Pre-Caspian Basin

LI Weiqiang,MU Longxin,ZHAO Lun,LI Jianxin,WANG Shuqin,FAN Zifei,SHAO Dali,LI Changhai,SHAN Fachao,ZHAO Wenqi,SUN Meng

Table 3 Quantitative identification criteria for different pore- throat structures of Carboniferous KT-I layer in North Truva Oilfield.

Pore-throat structure type P Wide multimodal type 0.52-0.77 Wide bimodal type 0.18-0.52 Centralized unimodal type 0.77-1.00 Asymmetric bimodal type 0-0.18