一种新的压实校正法

基金项目: 国家自然科学基金(49732005);国土资源部定量预测及勘查评价开放实验室基金

A NEW METHOD FOR COMPACTION CORRECTION

1.
China University of Geosciences, Wuhan, Hubei 430074, China
2. China Offshor Oil Exploration and Development Research Center, Hebei 074010, China

摘要: 根据压实前后压实曲线的相似性及单调性,设定古孔隙度-深度、古密度-深度函数,结合压实前后地层骨架体积不变、骨架质量不变原理.建立回剥压实校正方程,从而恢复地层古厚度及地层古密度,并且保证压实前后地层骨架密度不变。
- 压实校正 /
- 体积 /
- 质量 /
- 相似性 /
- 单调性
Abstract: According to the similarity and the monotonic characteristics of the compaction curves between the compacted and the decompacted states,the paleo-porosity-depth function φ'(Z) and the paleo-density-depth function ρ'(Z) was supposed.By using the principle which formation grain volume and mass have been keeping constant,the compaction correction equations has been established. Further,the decompacted thickness S and the average paleo-density ρ_s can be calculated and the grain density of the compacted and decompacted states can be kept constant.
- compaction correction /
- grain volume keeping constant /
- grain mass keeping constant /
- similarity /
- monotonic increasing and decreasing

[1]	Perrier R and Quilbier J.Thickness changes in sedimentary layers during compaction history [J].AAPG Bull.,1974,58;507-520
[2]	Watts A and Ryan W B F.Flexure margin basins [J].Tectonophysics,1976,36:25-44.
[3]	Steckler M S and Watts A B.Subsidence history and tectonic evolution of Atlantic-type continental margins[A].Serutton R A.Dynamics of passive continental margins[C].American Geophysical Union Geodynamics Series,1982,184-196.
[4]	Bessis F.Some remarks on subsidence study of sedimentary basins:application to the Gulf of Lions margin (Western Mediterranean)[J].Marine and Petroleum Geology,1986,(3):37-63.
[5]	袁炳存,钱奕中.计算沉积层古厚度的逐层恢复法[J].石油实验地质,1986,8(1):253-261.
[6]	武风良.应用测井、地震资料进行压实校正的方法[J].石油地球物理勘探,1989,24(1):68～79.
[7]	庞雄奇,付广,陈章明,等.地震资料用于地层古厚度恢复与剥蚀量计算方法探讨[J].大庆石油学院学报,1991,15(4):1～8.
[8]	陈荣书.天然气地质学[M].武汉:中国地质大学出版社,1989.
[9]	铃木宇耕著,李伟译.根据沉积盆地的地史情报研究沉降模型的构造形成[J].石油地质情报,吉林油田勘探开发研究院,1992,(2):17-32.
[10]	李绍虎,吴冲龙,毛小平.一个新地层骨架密度计算公式.石油实验地质,1999,21(4):367-371.