名词短语
中文翻译：钻杆衬套
同义词：
['drill stem casing', 'drill stem sleeve', 'drill stem bushing']
例句：
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1. Theengineer needs to install the screen casing for the drill stem test before starting the drilling operation.
工程师在开始钻探作业之前需要安装钻杆衬套。
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2.The drill stem test is a crucial step in the oilfield development process.
钻杆试验是油田开发过程中至关重要的一步。
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3.The drill stem test helps to identify any potential issues with the well's integrity before drilling begins.
钻杆试验有助于在钻井开始前识别任何潜在的井完整性问题。