These three kinds of techniques of well testing, step rate test and injection test at pre-fracturing are conducted to acquire formation parameters and applied in one CBM well successfully.

将地层测试、升排量注入与压降测试、注入与压降测试三种测试工艺在煤层气井压裂前实施，以获取地层参数，并将这三种方法在同一口煤层气井上成功进行了应用。

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Through analyzing the testing data, a reliable well model can be obtained to analyze the actual conditions of gas-lift and select the volume of gas injection.

通过对测试资料的分析，可以得出可靠的油井模型，分析气举井的实际工作状态，优选注气量等。

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An apparatus for testing the pressure drop of the water injection well is developed according to the actual requirement of oil field production.

针对油田注水生产的需要研制了注水井注水压降测试装置。

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