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注蒸汽井压力降落试并是确定蒸汽波及体积和了解波及区流动情况的一种经济、有效的方法。但目前我国对热采试并解释方法和软件的研究还不够完善。根据注蒸汽井试并的特点，对注蒸汽井压力数据进行积分处理，在确定注入流量时考虑蒸汽干度的影响，并给出解释时确定蒸汽区近似压力的方法，及在此饱和压力下，计算相关地层参数的公式，列出了解释方法的详细步骤。根据此方法，开发出一套注蒸汽并试井解释软件。通过对1口实例井的解释，验证了解释方法和软件的实用性。
Steam injection well pressure drop test is an economical and effective method to determine the volume of steam and the flow in the affected area. However, at present, the research on thermal test and interpretation of methods and software is still not perfect in our country. According to the characteristics of steam injection well test and injection, the pressure data of steam injection well are integrated, the influence of steam dryness is taken into account in determining the injection flow rate, and the method of determining the approximate pressure of steam region during interpretation is given, and under this saturated pressure , Formula to calculate the relevant formation parameters, and list the detailed steps to explain the method. According to this method, a set of steam injection and well test interpretation software was developed. Through the interpretation of one well, the practicality of the interpretation method and software is verified.