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Posts tagged заполнение нижнего участка обсадной колонны облегчённым агентом

Keyn S. A., Dolinin O. O.
Research of forces arising at the movement of an upsetting column in wells with big withdrawal from a vertical

One of ways of descent of upsetting columns in wells with big withdrawal from a vertical is filling of the lower site of a column with the facilitated agent. Thus the size of the stretched part of a column increases at increase in a difference between density of boring solution and density of the agent and length of the site filled with the agent. It is established that the simplification of the lower part of a column leads to decrease in friction forces by 3–5 times.