目前，对防喷器等井控装置检测内部缺陷主要采用超声波、磁探、渗透等常规检测以及进行耐压试验，难以发现和判定已有裂纹的扩展。
At the present, defects inside a BOP are mainly inspected by conventional methods, such as UT, MT, PT, etc. and it bears a pressure test.
一旦井控或井涌发生时，可以用于快速密封井眼上部的装置称为闸板式防喷器。
A device that can be used to quickly seal the top of the well in the event of a well control event (kick).
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
Equipped with suitable derrick and well controlled device in drilling a shallow gas well water drills proved to be able to reduce shallow gas well drilling cost.
循环装置能为井控或启动目的进行流体循环。
Circulation devices enable the circulation of fluids for well control or kickoff purposes.
通过某浅层气井的施工实例，阐述了水井钻机安装合适的钻塔底座和并控装置，可降低浅层气井建井成本。
Equipped with suitable Derrick and well controlled device in drilling a shallow gas well, water drills proved to be able to reduce shallow gas well drilling cost.
我公司研制生产的液压卡箍式试压装置，广泛应用于相关井控设备的试验，试压工作。
Our development and production of hydraulic clamp-type pressure test device, widely used in the tests related well control equipment, pressure test work.
我公司研制生产的液压卡箍式试压装置，广泛应用于相关井控设备的试验，试压工作。
Our development and production of hydraulic clamp-type pressure test device, widely used in the tests related well control equipment, pressure test work.
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