主要介绍海水泥浆的制作、质量控制及在庄河特大桥钻孔灌注桩中的实际应用。
The production of sea mud, quality control and bored Zhuanghe Bridge of practical application were introduced.
介绍一种经济实用的、制作简易的钻井泥浆液井涌井漏报警仪。文中分述了它的工作原理、安装方法、调试方法以及可能达到的技术状态。
One kind of simple and easy make alarm for well kick and mud loss is presented. Its work principle, installation, calibration and performance are introduced.
介绍了泥浆泵护套用聚氨酯胶的配方和制作工艺，并对预聚物中— NCO含量和MOCA用量进行了考察。
The formulation and preparation process of polyurethane for underlayer of slush pump were introduced. The effects of -NCO content of prepolymer and MOCA rate were studied.
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