高压对天然沥青结构组成演变的影响

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高压对天然沥青结构组成演变的影响

高志农, 胡华中

文章导航 > 沉积学报 > 2002 > 20(3): 499-504

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

引用本文:

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

Citation:

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

引用本文:

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

Citation:

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

高压对天然沥青结构组成演变的影响

武汉大学化学与分子科学学院,武汉,430072

基金项目: 湖北省自然科学基金(2000J023)和国家九五科技攻关项目(96-111-03-04和96-110-02-04-01)共同资助

作者简介:
高志农,男,1961年出生,博士,副教授,有机地球化学,天然高分子化学

中图分类号: P593;TE122.1

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文章访问数: 591
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The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen

College of Chemistry and Molecular Sciences, Wuhan University, Wuhan,430072

摘要: 实验室模拟研究表明,高压(800～1 000 atm)在适中温度(300～500 ℃)下可加速碳酸盐岩中天然沥青的结构演化,使其结构排列形式更加紧密规整,从而导致沥青反射率(Rb)值大幅提高,Rb值及结构参数(碳原子面网间距d002、结晶核大小、芳环层数NC、芳香度fa等)明显超出了其所经历的真实热演化程度.然而其化学组成与分布,特别是生物标志化合物则保持着与真实热力作用相当的演化特征.这种特殊的地球化学性质,不同于热演化沥青等任何已报道成因类型的沥青,是所谓"热压演化沥青"所特有的,因而也是该类沥青的辨别标志。
- 热压演化沥青 /
- 模拟实验 /
- 结构组成 /
- 高压
Abstract: Laboratory simulation has elucidated that high pressure(800 ~1000 atm）at moderate temperatures(300~500℃）can accelerate the structural evolution of natural bitumen in carbonate rocks. Under high pressures，the natural bitumen becomes more compact and regular in its structures. So the reflectance values(R_b）of bitumen increase obviously,and its R_b values and structural parameters (carbon lamellar distance d₀₀₂，size of crystal nucleus，layer number of aromatic cycle and aromaticity)exceed that in the real thermal evolution level evidently. Nevertheless，this kind of bitumen preserves the chemical composition and distribution(including biomarkers）for med in true ther mal maturity. this uniCue geochemical nature differs from that of any published bitumen types(e.g.,ther mally matured bitumen,etc.)，which can be used to distinguish thermo-compressively matured bitumen fromother kinds of bitumens.
- thermo-compressively matured bitumen /
- simulation experiment /
- structure and composition /
- high pressure

参考文献(19)

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文章访问数: 591
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高压对天然沥青结构组成演变的影响

武汉大学化学与分子科学学院,武汉,430072

基金项目: 湖北省自然科学基金(2000J023)和国家九五科技攻关项目(96-111-03-04和96-110-02-04-01)共同资助

作者简介:
高志农,男,1961年出生,博士,副教授,有机地球化学,天然高分子化学

收稿日期: 2001-09-13
修回日期: 2001-11-14

中图分类号: P593;TE122.1

关键词:

热压演化沥青 /

摘要: 实验室模拟研究表明,高压(800～1 000 atm)在适中温度(300～500 ℃)下可加速碳酸盐岩中天然沥青的结构演化,使其结构排列形式更加紧密规整,从而导致沥青反射率(Rb)值大幅提高,Rb值及结构参数(碳原子面网间距d002、结晶核大小、芳环层数NC、芳香度fa等)明显超出了其所经历的真实热演化程度.然而其化学组成与分布,特别是生物标志化合物则保持着与真实热力作用相当的演化特征.这种特殊的地球化学性质,不同于热演化沥青等任何已报道成因类型的沥青,是所谓"热压演化沥青"所特有的,因而也是该类沥青的辨别标志。

English Abstract

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

引用本文:

高志农, 胡华中. 高压对天然沥青结构组成演变的影响[J]. 沉积学报, 2002, 20(3): 499-504.

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

Citation:

GAO Zhi-nong, HU Hua-zhong. The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen[J]. Acta Sedimentologica Sinica, 2002, 20(3): 499-504.

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参考文献 (19)

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