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压差卡钻是钻井施工中经常遇到的井下事故,处理不及时会给钻井工程带来巨大的经济损失。通过分析压差卡钻事故发生的原因及其特点,并结合工程实例介绍了用增压机处理基岩地层中压差卡钻事故的方法及其操作规程和注意事项。
Differential pressure sticking is a well-known underground accident in drilling construction. If not handled in time, it will bring huge economic loss to drilling engineering. Based on the analysis of the causes and characteristics of the differential pressure sticking drilling accident and the engineering practice, the method, operation procedure and precaution of using supercharger to deal with the differential pressure sticking accident in bedrock formation are introduced.