SIMPLIFIED METHOD TO ESTIMATE DENUDATION AMOUNT IN PALAEOSTRATA WITH THE EVOLUTIONARY TREND OF POROSITY IN SANDSTONE
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摘要: 地下油气储层中砂岩孔隙度随深度呈指数减小的趋势可以看作是地层埋藏史的函数。利用这种演化趋势可以估计古地层的剥蚀量。Abstract: The expcnential decrease trend of porosity with deepness in sandstone of subsurface hydrccarbon-bearing reservoir may be regarded as a function of the burial history of the strata. The amount of denudation in palaeos-trata can be estimated by the evolutionary trend mentioned above.
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[1] 曾道富,1988,关于恢复四川盆地各地质时期地层剥蚀量的初探、石油实验地质,第10卷第2期. [2] 万静萍等,1987,变形盆地沉积相研究中的几个问题,石油与天然气地质,第8卷第4期. [3] T.M.Guidish, 1985, Basia Evaluation Usiag Burial History Calculations: Overview AAPG.V.69. No.1. [4] B.J.Katz, 1988, Interpretation of Discontinuous Yitrinite Reflectance Profiles AAPG.V.72,No.8. -
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