江汉盆地潜江组未熟烃源岩生油量预测的化学动力学法

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基金项目: 中国石油天然气总公司“九五”重点科技攻关项目(960006-07-1)

APPLICATION OF CHEMICAL REACTION KINETICS TO CALCULATION OF QUANTITY OF OIL-GENERATION FOR IMMATURE SOURCE ROCKS OF QIANJIANG FORMATION IN THE JIANGHAN BASIN

Exploration and Development Research Institute of Jianghan Petroleum Administration Bureau, Qianjiang, Hube 433124, China

摘要: 根据研究区未熟烃源岩样品热解实验求出的表观活化能与生烃率以及指前因子与表观活化能之间的关系建立了生烃化学反应动力学模型,该模型可计算任意埋深处的生烃率及任意埋深段的生烃强度,进而计算生烃量。应用该模型测算了江汉盆地JJ、QQ、XX凹陷潜江组未熟烃源岩在现今的累积生油强度和生油量。通过与其它两种生油量计算方法的对比表明,化学动力学法在生油量定量预测中是实用可信的。
- 化学反应 /
- 动力学 /
- 生油量 /
- 未熟烃源岩 /
- 江汉盆地
Abstract: Based on relationships between the apparent activation energy (AAE) and hydrocarben generating rate,the frequency factor and AAE,which were derived from pyrolysis analysis of immature source rocks in the study area,a model of chemical reaction kinetics (MCRK) was established.MCRK can be used to calculating hydrocarbon generating rate and the generation amount at random depth and generating intensity in random intervals of source rocks.By using this model,the current cumulative oil generating intensity and amount for immature source rocks of Qianjiang formation were calculated in JJ,QQ,XX Depressions,the Jianghan Basin.It showed that MCRK is suitable for calculation of oil generating quantity as comparing with other methods.
- chemical reaction /
- kinetics /
- oil generating quantity /
- immature source rock /
- the Jianghan Basin

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