Based on the theory of transient well test, combining formation parameters analysis obtained from formation test, the formula of predicting productivity has been found.

利用不稳定试井原理，结合地层测试已取得的地层参数进行分析，得出预测产能的公式。

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The test results show that sintering productivity is greatly increased, sinter strength is further improved as well as reducibility and reduction degradation index also changes better.

试验结果表明，烧结生产率大幅度提高，烧结矿强度进一步改善，烧结矿还原性及还原粉化指标也变好。

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The determination of reasonable pressure difference for horizontal well test is relevant to the reasonable productivity which is determined by the selection of nozzle.

水平井试井合理压差的确定实际上是与水平井合理产能相对应，而合理的产能是通过选择合理的油嘴来实现的。

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