Aimed at the cement job quality problem that the second interface is strong bonding and micro-annulus is lied in the first interface, three rock lays FEA model is established.

• 针对二界面固结良好,一界面存在微间隙的固井质量问题,建立了三岩层剖面的有限元模型,研究了微间隙对井筒温度场和应力场的影响。