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在测试抽油机井液面下降与恢复曲线的基础上,折算出其24小时液面恢复高度,即沉没度,与间抽前计量产液折合出的沉没度相比较,确定停机拐点;其次为不影响其产能,根据其含水不同具体分析,确立相适应的停机时间;另一方面就是根据其不同工作参数及其泵效,确立临界开井时间。从这几方面阐述了大面积实行间抽制度的合理性及可行性,对大面积间抽工作进行理论指导。
On the basis of testing the liquid level drop and recovery curve of the pumping well, the 24 hours liquid level recovery height, ie, the submergence degree, is calculated and compared with the submerged measurement liquid yield subsidence degree, and the inflection point is determined Does not affect its capacity, according to its specific analysis of different water, to establish appropriate downtime; the other hand, is based on its different working parameters and pump efficiency, establish a critical open well time. From these aspects, it expounds the rationality and feasibility of the implementation of the inter-pumping system in large area and gives theoretical guidance to the inter-pumping operation of large area.