KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA

Jiang Qigui; Wang Yanbin; Qin Jianzhong; Wang Qin; Zhang Caiming

doi:10.11781/sysydz200806606

Volume 30 Issue 6

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Article Navigation > PETROLEUM GEOLOGY & EXPERIMENT > 2008 > 30(6): 606-610

Jiang Qigui, Wang Yanbin, Qin Jianzhong, Wang Qin, Zhang Caiming. KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(6): 606-610. doi: 10.11781/sysydz200806606

Citation:

Jiang Qigui, Wang Yanbin, Qin Jianzhong, Wang Qin, Zhang Caiming. KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(6): 606-610. doi: 10.11781/sysydz200806606

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KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA

doi: 10.11781/sysydz200806606

1.
China University of Mining Technology, Beijing 100083, China
2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

Received Date: 2008-05-14
Rev Recd Date: 2008-10-06
Publish Date: 2008-12-28

Abstract

Abstract

With Rock-Eval 6 and Optkin kinetics software,the kinetics analysis on four types of kerogens of marine hydrocarbon source rocks in South China were carried out.The results showed that,in the similar maturity period,the hydrocarbon generation activation energy of kerogen was Ⅲ>Ⅱ₂>Ⅱ₁>Ⅰ;the ability of hydrocarbon generation was Ⅰ>Ⅱ₁>Ⅱ₂>Ⅲ;the span of generating effective hydrocarbon activation energy was ΔE_Ⅰ<15kJ/mol,15 kJ/mol<ΔE_Ⅱ₁<20kJ/mol,20kJ/mol<ΔE_Ⅱ₂<30 kJ/mol,ΔE_Ⅲ>30kJ/mol;the span of generating effective hydrocarbon temperature was ΔT_Ⅰ≤65℃,65℃≤ΔT_Ⅱ1≤75℃,75℃≤ΔT_Ⅱ₂≤85℃,ΔT_Ⅲ≥110℃.The time of hydrocarbon generation conversion rate to reach 10% was Ⅲ<Ⅱ₂<Ⅱ₁<Ⅰ;and the type Ⅰ kerogen first reached to 90% conversion rate,and then the typeⅡ₁,type Ⅱ₂ and type Ⅲ of kerogen.The character of hydrocarbon generation activation energy distribution of kerogen was determined by their element composition and organic high molecular structure.The hydrocarbon generation speed of good marine source rocks was very fast.
- element composition,
- molecular structure,
- hydrocarbon generation kinetics,
- marine source rocks,
- South China

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References

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沈阳化工大学材料科学与工程学院沈阳 110142

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KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA

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KINETICS OF HYDROCARBON GENERATION OF MARINE SOURCE ROCKS IN SOUTH CHINA

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