近年来,随着可开发油气井数量的减少,油气井无论在地下还是水下都有必要进行深井作业。在高温高压(HPHT)井中,管柱和套管柱受到更高的温度和压力,可能导致套管失效或漏气。因此,近年来油气行业对井筒完整性的重视程度越来越高。1,2 The key factor of wellbore integrity is casing string connections, which are expected to provide both structural and leakage integrity under severe environment. […]