气井最高允许关井压力确定及钻井现场几个井控问题研究
Natural Gas Industry(2005)
Abstract
针对川渝东部地区高陡构造碳酸盐岩地层高压、高产、高含硫天然气井特点,运用井控基本理论,对气井最高允许关井压力、有钻具回压阀情况下如何求取立管压力、气窜速度检测、确定钻井安全作业时间、便捷求取循环压耗和实现正确快速压井作业等几个井控问题,在实践中进行了反复的探索;并对其具体作法作了详细的介绍。
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Key words
Study,Well drilling,Shut-in pressure,Well control,Gas well
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