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。
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.
采用橡胶充气胶囊在涵管内予留防渗墙施工尺寸，上下游封堵涵管，防渗墙泥浆槽在两胶囊之间通过。
Inflatable rubber capsules are used inside the culverts to give room for construction and both sides of the culverts are blocked, the cut-off wall concrete going between the two capsules.
顶替效率高。介绍了国外常见的几种深水固井水泥浆技术，包括快凝石膏水泥浆体系、PSD水泥浆技术、高铝水泥、充气水泥浆技术和其他水泥浆技术。
The several conventional cementing technologies for deep sea abroad were reviewed which included rapid setting gypsum slurry, PSD slurry, high alumina slurry, aerated slurry and so on.
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