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искусственный забой stresses
gen.	artificial bottom-hole (AD Alexander Demidov)
O&G	holdup depth (MichaelBurov); plugback depth (MichaelBurov); hold-up depth; HUD (MichaelBurov); bottom of casing (Yeldar Azanbayev)
O&G, casp.	plug back depth (raf)
O&G, O&G, oilfield.	plug back total depth
O&G, tengiz.	plugged bottom total depth; plugged back total depth (Yeldar Azanbayev)
product.	plug back (Yeldar Azanbayev); PBTD (Yeldar Azanbayev)
tech.	false bottom; artificial bottom plug (в буровой скважине)

искусственный забой: 10 phrases in 6 subjects

Mining	1
Oil / petroleum	4
Oil and gas	2
Oil and gas technology	1
Oilfields	1
Tengiz	1