TY JOUR TI CORRELATION ANALYSIS AND HYDROCHEMICAL FACIES OF CONTAMINANT IONS IN OILFIELD PRODUCED WATER OF THE UPPER ASSAM BASIN KW contaminants; correlation; environment; relationships. JO Bulletin of Nizhnevartovsk State University AU Tapan, D.G. AU Gogoi, S.B. AU Storchak, T.V. AU Konvar, D.. PY 2025 IS 0 PB Nizhnevartovsk State University