南海北部大陆架西区热演化史

被引:18
作者
李雨梁
黄忠明
机构
[1] 南海西部石油公司
关键词
北部湾盆地; 地温梯度; 地热增温率; 热流值; 热演化史; 南海北部; 西区; 大陆棚; 大陆边缘; 大陆架;
D O I
暂无
中图分类号
学科分类号
摘要
南海北部大陆架西区平均热流值61.89mW/m2,具有被动大陆边缘的特征.该区各盆地热流值变化在61.71—62.18mW/m2之间,基本上处于相同的热背景中。这种性质与热演化史有关。自古新世以来。本区经历了多次热事件以及随后的热沉降.晚期的热事件影响最大,使边缘盆地逐步达到相同的热状态并对烃源岩的演化有重要影响.镜质体反射率与今温度密切相关以及呈现的各种扭曲现象均是晚期热作用的表现。
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页码:31 / 39+4 +4-5
页数:11
相关论文
共 7 条
[1]  
Mckenzie DP.Some Remarks on the Development of Sedimentary Basins. Earth and Planet . 1978
[2]  
Miyashiro A.Hot regions and origin of marginal basins in the western Pacific. Tectonophysics . 1986
[3]  
Woodside,W,Messmen.Thermal Conductivity of Porous Media. Journal of Applied hysics . 1971
[4]  
Kaichi Sekiguchi.A method for determining terrestrial heat flow in oil basinal areas. Tectonophysics . 1984
[5]  
Law B E,Nuccio V F,Barthe C E.Kinky vitrinite reflectance well profiles: evidence of paleopore pressure in low-permeability, gas-bearing sequences in Rocky mountain foreland basins. American Association of Petroleum Geologists Bulletin . 1989
[6]  
Ru K,Pigott J D.Episodic rifting and subsidence in the South China Sea. American Association of Petroleum Geologists Bulletin . 1986
[7]  
Wood D A.Relationships between thermal maturity indices calculated using Arrhenius equation and Lopatin method: implications for petroleum exploration. American Association of Petroleum Geologists Bulletin . 1988