The stage where the volume pumped places the influx inside the casing shoe (the shoe line), is important as well but has not been included in these basic phases in well control.
泵入体积将侵入挤入管鞋内这一阶段是个十分重要的阶段，但不包括在井控的这几个基本阶段。
Observed items are groundwater level, oil recovery volume, casing pressure and gas recovery volume.
观测项目有水位、采液量、采气量及套管压力等。
SF (b) series adopt special twisted blade design and flange flanging casing, which makes the noise lower and the air volume larger.
本系列风机的叶片采用特殊扭曲孤度设计，机壳采用法兰翻边工艺，使风机噪音更低，风量更大等特点。
When 20 "casing depth is attained, displace hole volume with high viscosity mud."
钻达20英寸套管深度时，用高粘度泥浆替满井眼。
The volume of the casing used for the distributed control system module of the utility model is small and then more modules can be contained in one cabinet and the structure is compact.
本实用新型的分散控制系统模块用机壳体积小，在一个机柜中可以容纳更多的模块，结构紧凑。
The volume of the casing used for the distributed control system module of the utility model is small and then more modules can be contained in one cabinet and the structure is compact.
本实用新型的分散控制系统模块用机壳体积小，在一个机柜中可以容纳更多的模块，结构紧凑。
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