【摘 要】
：
以地层渗流理论为基础,建立了深水钻井随钻气侵模型,结合南海某井实际气侵情况,模拟深水钻井井筒气体膨胀规律。研究结果表明：发生气侵后,气侵量随气侵时间的延长而增加;当机
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以地层渗流理论为基础,建立了深水钻井随钻气侵模型,结合南海某井实际气侵情况,模拟深水钻井井筒气体膨胀规律。研究结果表明：发生气侵后,气侵量随气侵时间的延长而增加;当机械钻速加大后,在相同时间内打开产层的厚度变大,进入到井筒的气体越多,气侵量越大;渗透率增大后,在相同时间内流入到井筒的气体越多,气侵量越大。
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