Shale and dolomite will cause the neutron porosity high and the density porosity low.
泥岩和白云岩导致中子孔隙度的读数偏高，密度孔隙度的读数偏低。
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density.
研究结果表明，膨胀性泥页岩填料的承载比（CBR）和回弹模量主要受制样含水量及干密度的控制；
Shale (mudstone) densimeter is a special instrument used to measure shale (mudstone) density during drilling in geological exploration for oil and gas.
页(泥)岩密度计是石油及天然气地质勘探中现场随钻测量页(泥)岩密度的专用计量器具。
Negative coefficients occur where there is a downward decrease in velocity and density: for example, at the top of an over pressured shale diapir.
只有当速度和密度向下减少时，例如在超压页岩穿刺体的顶部，反射系数才会出现负值。
A new type shale inhibiter, KLG and sealing agent are used to seal fragile formation so that we can enhance safety density and solve the problem of hole collapse.
用新型防塌剂和KLG以及封堵材料复配使用，对破碎地层进行了有效封堵；
A new type shale inhibiter, KLG and sealing agent are used to seal fragile formation so that we can enhance safety density and solve the problem of hole collapse.
用新型防塌剂和KLG以及封堵材料复配使用，对破碎地层进行了有效封堵；
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