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井下作业主要是通过油井投产、故障井维修、油井增产措施来提高采油速度和采收为主要目的的一项具有危险性的石油生产活动。而井喷则是井下作业中最严重、危害性最高的事故，井喷事故的发生可能造成机毁人亡。近年来井控工艺技术不断提高，现场操作人员通过培训使井控意识大幅提高，井控设备不断更新和完善，使得井喷事故大幅降低。科威特几乎所有施工井位均含浓度不等的硫化氢，所以作业过程中井控工作尤为重要。本文主要讲述科威特井下作业形成的一整套相应工具和流程，实现作业全过程防喷可控。“,”downhole operation is a dangerous oil production activity with the main purpose of improving oil production speed and recovery through oil well production, fault well maintenance and oil well stimulation measures. Blowout is the most serious and harmful accident in underground operation, which may cause machine damage and human death. In recent years, with the continuous improvement of well control technology, field operators' awareness of well control has been greatly improved through training, and well control equipment has been constantly updated and improved, which has greatly reduced blowout accidents. Almost all construction wells in Kuwait contain different concentrations of hydrogen sulfide, so the well control work is particularly important in the operation process. This paper mainly describes a set of corresponding tools and processes formed by underground operation in Kuwait to realize the whole process of blowout prevention and control.