沁水煤层气CZD-U4井钻具被卡事故处理方法研究

Study on Dealing with Accident of Drilling Tool Stuck in CZD-U4 Well of Qinshui Coalbed Methane

文章通过对事故井基本情况的描述,介绍了完井施工程序,分析了事故发生的原因。在事故处理的过程中,尝试了多种处理办法后,最终成功处理事故。总结了处理钻具被卡经验,为以后在处理同类事故施工提供很好的经验。

By describing the basic situation of the accident well, this paper introduces the completion procedure and analyzes the cause of the accident. In the process of accident handling, after trying a variety of treatment methods, the final accident handling was completed. This paper summarizes the experience of handling drill tool card, and provides a good experience for the construction of similar accidents in the future.