油气田生产中井下作业属于连续性野外作业,作业环境艰苦多变、流动性大、协作施工环节多、操作环节频繁,诸多不利因素下造成了井下作业的高风险性。本文阐述了石油行业安全生产事故的主要类型,分析了井下作业事故原因,探寻事故发生的基本规律,为井下作业风险防控工作提供借鉴。 Downhole operations in oil and gas field are continuous field operations, the operating environment is difficult and changeable, the liquidity is large, there are many cooperation links and the operation is frequent. Many unfavorable factors have caused the high risk of downhole operation. This paper describes the main types of accidents in the oil industry, analyzes the causes of downhole accidents, explores the basic rules of accidents and provides references for the prevention and control of downhole operations.