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砂口层 [shā kǒu céng]
sandgate beds
- 实验结果与油田地质研究(14口井资料)对比表明，砂体组成及粒度参数的符合率达73％，砂层厚度分布的符合率达62％～81％，沉积微相展布的符合率达58％。
Contrast between experimental result and geological research from drilling data of 14 wells shows that the coincidence of sandbody compose and granularity reaches 73%, that of sand layer thickness distubution 62%～81%, and that of sedimentary microfaces distribution 58%. - 针对歧口凹陷南大港地区地层实测声波时差曲线对砂、泥岩的岩性反映不明显，无法进行储层反演预测的问题，采用了拟声波构建技术。
The quasi-acoustic logs can not only reflect the variation of interval velocity and impedance, but can resolve some problems like identifying lithologic character, differentiating thin layers, etc.
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