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以单细胞海藻为材料进行热模拟生烃试验 ,对其不同温度级别下的元素分析、红外光谱和有机差热等测试分析 .结果表明 ,单细胞海藻有机质演化呈现出阶段性特点 ,从常温到 3 0 0℃为未成熟阶段 ,产烃性能好 ;3 0 0～ 40 0℃为主要产烃期 ,有机质已达成熟阶段 ;40 0～ 50 0℃时海藻有机质产烃性能明显减弱 ,为过成熟阶段 .热模拟试验结果表明 ,单细胞海藻是良好的生烃原始母质 ,并清晰地显示出了单细胞海藻有机质的热演化特征和生烃历程
The single-cell seaweed was used as the material for the thermal simulation of hydrocarbon generation test, and its elemental analysis, infrared spectroscopy and organic differential thermal analysis at different temperature levels were carried out.The results showed that the evolution of organic matter in single-cell seaweed showed a periodical characteristic from normal temperature to 300 ℃ is in the immature stage, and the hydrocarbon production performance is good. The main hydrocarbon generation stage is from 300 ℃ to 40 ℃, and the mature stage of organic matter is reached. The hydrocarbon production performance of the organic matter in the seaweed is obviously weakened at 40 0 ~ 50 0 ℃ Mature stage.The thermal simulation results show that the single-cell seaweed is a good raw material for hydrocarbon generation and clearly shows the thermal evolution characteristics and the hydrocarbon generation history of the single-cell seaweed organic matter