Subject: Anti-hydraulic lock seal bore Добрый день! Пожалуйста, помогите правильно сформулировать название данного инструмента - anti hydraulic lock seal bore Встречается в патенте The lower end of the washpipe may comprise a plug having one or more seals mounted thereon. In use, the washpipe may be coupled to a lock provided in the completion string via the plug, wherein the washpipe seals against the lock via the plug seal or seals to prevent backflow of fluid up the internal bore. In the embodiment shown, the distal end of the washpipe may comprise a 3.25 inch (82.55 mm) outer diameter seal stack and the lock may comprise a 4½ inch (114 mm) outer diameter×3¼ inch (82.55 mm) inner diameter anti hydraulic lock seal bore. Даже нашлась спецификация (по всей видимости) на него - https://wenku.baidu.com/view/ea90e5877c1cfad6195fa7ef.html Спасибо! |
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