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b stage meaning in English

缩合状态

Examples

  1. The diagenesis of the ed3 and es , sandstone has been evoluted to late diagenesis a and b stage , with mainly primary pores and secondary solved pores
    油气储层的储集空间以原生孔隙、次生溶解孔隙为主,主要为中孔中渗储层。
  2. 4 , by making use of micro pore and permeability apparatus and optopn multifunction microscope etc . advanced reservoir testing equipments , the ability to show heterogeneity from micro to macro has been improved largely . k - level / k is more than 1 . 4 in south region reservoir , that is to say , the permeability in section is worse comparing to that of level direction , which is caused mainly by mud layers : different stone facies results in different micro feature , and in the south region , fluvial sandstone has cementation , compaction , corrosion and exchanging diagenesis , which occurred in b stage of early period
    4 、应用微孔渗仪和opton多功能显微镜等先进的储层测试仪器设备,大大提高了从宏观到微观表征储层非均质的能力;南区储层中k _ (水平) k _的比值一般大于1 . 4 ,即垂向上渗透率相对于水平渗透率差,这主要是砂岩中泥质纹层造成的;不同岩石相的微观特征不同,南区河道砂储层主要有胶结、压实、溶蚀和交代等成岩作用,成岩阶段属早成岩b期。

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