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Subject: valve drilling dril. Как правильно по-русски переводится термин "valve drilling" в таком контексте, например:
Valve drilling is the process of drilling an opening in a ball plug or gate valve that has become inoperable in a closed or partially closed position. Whereas hot tapping is designed for gaining controlled entry for either pressure verification and/or fluid injection, valve drilling is designed to regain a larger or full bore to allow coil tubing or wireline applications to be deployed into a wellbore. Most jobs involved with valve drilling are focused on the vertical wellhead or completion tree components aligned with the wellbore. However, the valve drilling system can also work in a horizontal position for side-entry applications on valves and other wellhead components. Спасибо!
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