METHOD FOR TREATING PRODUCTION WATER FROM A METHOD FOR ENHANCED OIL AND/OR GAS RECOVERY

• Main Authors: FAVERO, Cédrick, GIL, Ludwig
• Format: Patent
• Language: English; French
• Published: 01.02.2018
• Subjects: ADHESIVES; CHEMISTRY; DYES; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MINING; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PAINTS; POLISHES; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The present invention concerns a method for treating the production water originating from enhanced hydrocarbon recovery, and containing one or more hydrosoluble polymers and Fe2+ ions, consisting of at least partially oxidising the Fe2+ ions by introducing at least one reaction activator and oxygen...