New web resource offers guidance on produced water ///

Produced water is the largest-volume waste stream generated by oil and gas production, representing 98% of all E&P waste and 9.5 bbl/bbl oil in the US, according to data compiled by Argonne National Laboratory in 2004.1 As fields mature, produced water represents increasingly large percentages of fluids brought to surface, due to oil and gas depletion and to water injection used for well stimulation. Management of produced water is a major cost component in oil and gas production. Options are dependent on the applicable state and federal regulations. Developing cost-effective and environmentally sound produced water management strategies is complicated by the wide variance in produced water’s physical and chemical properties, depending on location and type of hydrocarbon produced. To meet these challenges, Argonne National Laboratory, with funding from the US Department of Energy, has developed an interactive online resource providing information on produced water management options and regulatory requirements.

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