1964年6月生，汉族，籍贯江西丰城。 中国科学院广州地球化学研究所研究员。1984年毕业于南京大学地质学系地球化学专业，1987年在中国科学院地球化学研究所获硕士学位，2000年在中国科学院广州地球化学研究所获博士学位。1987年至今，一直在中国科学院广州地球化学研究所工作。从事烃源岩生烃与评价、油气成藏与后期改造过程的地球化学研究。具体研究内容：(1) 应用限定体系的实验装置研究烃源岩(干酪根)生烃机理与影响因素；(2)分子成熟度指标的影响因素与低熟油形成机理研究；(3)应用含油气储集岩连续抽提实验、油气包裹体分子地球化学和单体烃碳同位素地球化学分析方法，研究油气藏成藏史；(4) 通过矿物和焦沥青对原油裂解影响的实验研究，探讨原油稳定性和确定烃源岩生油下限和生气下限；(5) 通过矿物对气态烃氧化作用的模拟实验，研究油气藏硫酸盐热化学还原反应(Thermochemical sulfate reduction – TSR)和Fe3+对油气组分的氧化作用，揭示氧化反应过程中气态烃化学组成和碳同位素组成的变化，为天然气藏的气源对比研究和高含量H2S油气藏的预测提供理论依据。在国内外学术刊物上发表论文40余篇。

1. Changchun Pan, Ansong Geng, Ningning Zhong, Jingzhong Liu, Kerogen pyrolysis in the presence and absence of water and minerals: Steranes and triterpenoids. Fuel, in press.

2. Changchun Pan, Dayong Liu, Molecular correlation of free oil, adsorbed oil and inclusion oil of reservoir rocks in the Tazhong Uplift of the Tarim Basin, China. Organic Geochemistry, 2009, 40, 387-399.

3. Changchun Pan, Ansong Geng, Ningning Zhong, Jingzhong Liu, Linping Yu, Kerogen pyrolysis in the presence and absence of water and minerals: amounts and compositions of bitumen and liquid hydrocarbons. Fuel, 2009, 88, 909-919

4. Changchun Pan, Dehua Peng, Min Zhang, Linping Yu, Guoying Sheng, Jiamo Fu, Distribution and Isomerization of C31-C35 Homohopanes and C29 Steranes in Oligocene Saline Lacustrine Sediments from Qaidam Basin, Northwest China. Organic Geochemistry, 2008, 39, 646-657.

5. Changchun Pan, Ansong Geng, Ningning Zhong, Jinzhong Liu, Linping Yu, Kerogen pyrolysis in the presence and absence of water and minerals:part 1 gas components. Energy & Fuels, 2008, 22, 416-427.

6. Changchun Pan, Yuming Tan, Jianhui Feng, Guangxing Jin, Yunxian Zhang, Guoying Sheng, Jiamo Fu, Mixing and biodegradation of hydrocarbons in the Daerqi oilfield, Baiyinchagan Depression, northern China. Organic Geochemistry, 2007,38, 1479-1500.

7. Changchun Pan, Linping Yu, Jinzhong Liu and Jiamo Fu,Chemical and carbon isotopic fractionations of gaseous hydrocarbons during abiogenic oxidation  Earth and Planetary Science Letters, 2006, 246, 70-89. 

8. Changchun Pan,Jianhui Feng, Yuming Tian, Linping Yu, Xiaoping Luo, Guoying Sheng and Jiamo Fu, Interaction of oil components and clay minerals in reservoir sandstones. Organic Geochemistry, 2005, 36, 633-654.

9. Changchun Pan, Jianqiang Yang, Jiamo Fu, Guoying Sheng, Molecular correlation of free oil and inclusion oil of reservoir rocks in the Junggar Basin,China. Organic Geochemistry, 2003, 34, 357-374. 

10. Changchun Pan, Ansong Geng, Zewen Liao, Yongqiang Xiong, Jiamo Fu, Guoying Sheng, Geochemical characterization of free versus asphaltene-sorbed hydrocarbons in crude oils: implications for migration-related compositional fractionations. Marine and Petroleum Geology, 2002, 19, 619-632.