For the well layers with low quality, high fluid production and many times and long time flowing back, conventional well testing method is hard to reach testing objective.
对于油质差、产液量高、多次长时间排液井层，常规的试井方法难以达到测产目的。
There is difficulty to confirm the bottom-hole pressure accurately and low accuracy and reliability when this kind well explained by using well testing model of flowing well.
对这类井，若采用自喷井建立起来的数学模型进行解释时，难以准确地确定关井时刻的井底压力，试井解释率低，可靠性差。
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