Recently,through a system of research on the breeding and spread of pay zone,predicted that the unexploited zone had worse effective thickness,but better surface resevoir rock.

• 近年来，经过系统地研究过渡带地区的油层发育和分布状况，预测未布井地区虽然有效厚度发育较差，但表外储层（一、二类含油砂岩）厚度较大。