2) sand cutting
砂蚀;砂屑
4) calcarenaceous sandstone
钙屑砂岩
1.
Prediction of the favorable blocks and the calcarenaceous sandstone reservoir characteristics of Upper Triassic in middle section of the West Sichuan depression;
川西坳陷中段须四段钙屑砂岩储层特征及有利区块预测
2.
The calcarenaceous sandstone reservoir in the 4th Member of Xujiahe Formation in Fenggu area are of the characteristics of low GR, high resistance and high impedance.
丰谷须四段钙屑砂岩储层具有低伽玛、高电阻、高波阻抗等特点,储层含气后波阻抗值有所降低,但仍高于或接近于泥岩。
3.
On the basis of thin sections identification and data statistics,the lithology,diagenesis,petrophysical properties and pore development properties for calcarenaceous sandstone in Fenggu area are analyzed in detail.
钙屑砂岩在川西坳陷须家河组四段分布特别广,几乎每个构造、每口井都能见到。
补充资料：滴屑屑
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