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Subject: неповоротный центратор dril. Добрый день!Подскажите, пожалуйста, правильный английский эквивалент русскому "неповоротный центратор". Речь идет о бурении на обсадной колонне.. Fixed centralizer? Заранее спасибо |
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Centralizers and Stabilizers are attached firmly to casing as “Rotating” by TESCO’s patented RTF™ crimping process. Centralizers can be allowed to float as “Non-Rotating” by simply slipping them on the casing without attachment. Installation can be performed in the field, pipe yard or pipe mill. Non-rotating: Centralizers can be left to float free and spin on casing between couplings, or can be constrained axially with “crimped on” stop collars. (applies to centralizers only) |
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