大位移钻井(ERD)的钻进长度变得更具有挑战性时,井壁稳定性保障技术(无论是在前期准备阶段还是实施阶段)也以同步的速度在向前发展。在与地层成高角度钻进过程中井眼周围岩石崩落的理论认识和预测能力上的新进展,解决了在复杂地质条件下遇到的问题。钻进过程中把新的理论认识结合到了实时诊断和监测措施之中,为在复杂地质条件下钻进大位移裸眼井的稳定性提供了技术保障。 Large borehole drilling (ERD) drilling length becomes more challenging, the wellbore stability support technology (either in the pre-preparation phase or implementation phase) is also moving forward at a synchronized pace. New advances in the theoretical understanding and prediction of rock collapse around wellbores during high-angle drilling into the formation have solved the problems encountered in complex geological conditions. The drilling process incorporates new theoretical insights into real-time diagnostic and monitoring measures to provide technical support for the stability of large-displacement boreholes under complex geological conditions.