aerated foam mud drilling 充气泡沫泥浆
The aerated foam mud fluids can used in negative drilling, and enlarge the life of drilling bits for its low density, and low sap pressure.
充气泡沫泥浆由于比重低，液柱压力低，实现了负压钻进，能大幅度提高机械钻进，延长钻头寿命。
It is shown from the study that aerated-concrete product made from red-mud has eligible quality and can satisfy our need. It is a new way of a kind of comprehensive utilization of red-mud.
试验研究表明，利用赤泥生产的加气混凝土制品，质量合格，能满足使用要求，是赤泥综合利用的一种新途径。
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