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formation gas stresses
O&G	пластовый газ
O&G, karach.	пластовый газ (oil; нефть Leonid Dzhepko)
O&G, oilfield.	пластовой газ

formation gas: 71 phrases in 14 subjects

Electronics	1
Fish farming pisciculture	1
Geology	4
Geophysics	1
Makarov	4
Mining	1
Natural resourses and wildlife conservation	1
Oil / petroleum	19
Oil and gas	15
Oil and gas technology	8
Oilfields	7
Sakhalin	7
Sakhalin R	1
Technology	1