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在地质低温条件下，未熟生油岩矿物催化脂肪酸脱浚生烃反应生成的CO2含量很低，因此，通过金属镍催化剂将CO2转化为CH4后再用氢离子火焰检测器检测其含量，以提高检测的灵敏度。运用该方法评价了我国七个油田未熟生油岩矿物催化脂肪酸脱羧生烃活性。实验结果表明，脂肪酸在未熟生油岩矿物低温催化作用下，其脱羧率与未熟生油岩矿物中的碳酸盐及过渡金属Fe元素的含量有关。
Under the condition of low geologic temperature, the CO2 content of the raw oil-rock minerals catalyzed by the fatty acid desulfurization hydrocarbon generation reaction is very low. Therefore, the content of CO2 is converted to CH4 by a metal nickel catalyst and then detected by a hydrogen ion flame detector to improve Sensitivity of detection. This method was used to evaluate the catalytic activity of fatty acid decarboxylation for hydrocarbon generation in the immature oil rock minerals in seven oilfields in China. The experimental results show that the fatty acid is related to the content of carbonate and transitional element Fe in unripe source rock mineral under the low temperature catalysis of fatty acid.