Main pagePress roomNewsGiprotyumenneftegaz has been granted a patent for "Device of degasification and dehydration of oil" Giprotyumenneftegaz has been granted a patent for "Device of degasification and dehydration of oil" October 28, 2015 Subscribe Giprotyumenneftegaz has been granted a patent for "Device of degasification and dehydration of oil" Giprotyumenneftegaz has been granted a patent for "Device of degasification and dehydration of oil". Top