精细控压钻井技术在南海高温高压井的应用

Application of Fine Pressure Control Drilling Technology in High Temperature and High Pressure Wells in the South China Sea

控压钻井技术是采用自动适应钻井工序,来精确控制作用在井筒的环空压力的一种钻井技术,针对高温高压井窄压力窗口难题,控压钻井技术是一种有效的控制手段。结合控压钻井技术特点,重点介绍控压钻井技术在该井的应用过程及取得的良好效果,为南海类似井提供了可借鉴的经验,在片区中具有推广意义。

Pressure controlled drilling technology is a drilling technique that uses automatic adaptation to the drilling process to accurately control the annular pressure acting on the wellbore.In response to the problem of narrow pressure windows in high-temperature and high-pressure wells,pressure controlled drilling technology is an effective control method.Combining the characteristics of pressure controlled drilling technology,this article focuses on the application process and good results of pressure controlled drilling technology in this well,providing valuable experience for similar wells in the South China Sea,and has promotion significance in the area.