The device guides the casing toward the center of the hole and minimizes problems associated with hitting rock ledges or washouts in the wellbore as the casing is lowered into the well.
该装置引导套管居于井眼的中心，减少下套管过程中套管撞击井眼内突起的岩石或井眼冲刷的地方。
The float shoe also guides the casing toward the center of the hole to minimize hitting rock ledges or washouts as the casing is run into the wellbore.
当下套管时，浮鞋同样能够引导套管到井眼中心，减少套管对岩石突起或者井眼冲刷段的撞击。
A threaded coupling used to join two lengths of pipe such as production tubing, casing or liner.
连接两节管子(生产油管、套管或衬管等)所用的带螺纹的连接件。
A casing or housing forming part of a vehicle, as.
构成运输工具的一部分的箱子或外壳，如。
Never use abrasive cleansers or chemical solvents, as they may mar the casing.
切勿使用研磨性清洁剂或化学溶剂清洁，以免损坏外壳。
Expandable tubular technology is a process of deforming the casing metal permanently by a hydraulic or a mechanic device so as to complete the well construction.
膨胀管技术是在井下以机械或液压的方法使管材永久变形、完成油气井建井的技术。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
A log showing the depth or relative position of casing or tubing collars that is used to correlate depth for depth-sensitive applications such as perforating or isolation treatments.
表明套管接箍或油管接箍的深度或相对位置的测井。它用来在对深度敏感的情况下(如射孔或隔离处理)对比深度。
This design helps ensure that the mill follows the desired path and does not damage the casing or liner wall as the milling operation progresses.
这种设计有助于确保铣刀沿着所要求的路径并在磨铣作业进行时不会损坏套管壁或衬管壁。
It will bring a lot of troubles, such as the erosion or damage of pipeline and equipment, even leading casing failure and production reduction.
出砂不仅会导致管线和生产设备磨蚀，甚至会产生套管损坏、油井报废、油井减产、停产等一系列严重后果。
The casing of the opening is raised a little from the floor. It is designed so that people spontaneously gather and stay around while sitting on or using it as a table.
开口处狭长的水泥台面上建造有一小块方形台面，它的设计便于人们自发的围聚在一起，或闲坐，或充当桌子围聊。
The casing of the opening is raised a little from the floor. It is designed so that people spontaneously gather and stay around while sitting on or using it as a table.
开口处狭长的水泥台面上建造有一小块方形台面，它的设计便于人们自发的围聚在一起，或闲坐，或充当桌子围聊。
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