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本文用热重分析（ＭＴＡ）参数对干酪根类型和成熟度的划分做了如下尝试：用脂碳率（ｆａ１）和挥发分产率（ＶＭ）描述干酪根的演化规律；用固定碳含量（ＦＣ）、ＶＭ和镜质体反射率（Ｒ０）描述干酪根的演化规律；用ＤＴＧ的Ｔｍａｘ划分高成熟干酪根的类型。根据干酪根热模拟实验结果和ＭＴＡ分析，推导出计算单位重量生油岩最大油气生成量公式，并以此评价了襄９井生油岩生油气量。ＭＴＡ分析法是一种耗样量少（５～１０ｍｇ），快速简便的综合评价生油岩干酪根的新方法。
In this paper, we use the thermogravimetric analysis (MTA) parameters to divide the kerogen type and maturity as follows: The evolution law of kerogen is described by the carbon content (fa1) and volatile matter yield (VM) FC), VM and vitrinite reflectance (R0) to describe the evolution of kerogen. The Tmax of DTG was used to characterize the type of kerogen. Based on the results of kerogen thermal simulation and MTA analysis, the formula for calculating the maximum oil and gas production per unit weight of source rock is deduced, and the oil and gas production of the oil well of Xiang 9 well is evaluated. The MTA method is a new method for the comprehensive evaluation of kerogen kerogen, which has a small amount of sample (5 ~ 10mg) and is simple and quick to evaluate.