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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The statistics of 36 oilfield steam drive pilot test results show that the oil-steam ratio depends on not only the reservoir parameters, but also the steam injection rate.

国外36个蒸汽驱现场试验结果统计规律表明，蒸汽驱油汽比不仅与地质参数有关，而且与注汽速度密切相关。

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