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жёсткая КНБК
stresses
dril.
hold BHA
(для поддержания зенитного угла, также packed BHA
Alexander Dolgopolsky
)
;
packed BHA
(
Alexander Dolgopolsky
)
O&G, sahk.r.
rigid bottom hole assembly
(компоновка низа бурильной колонны)
O&G, sakh.
rigid bottom hole assembly
;
stiff bottom hole assembly
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