статья Improvement of the operational efficiency of double shoulder tool joint of drill collars
The need to design new drilling equipment. The analyzed existing options for solving the problem solve it to some extent. To eliminate them, it is proposed to use elastic elements (ring springs) in the construction of double-shoulder tool joints.
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| Рубрика | Производство и технологии |
| Вид | статья |
| Язык | английский |
| Дата добавления | 02.03.2021 |
| Размер файла | 1,2 M |
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