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Technology Status Assessment of Proposed Technologies for Treating Oil and Gas Produced Water Under Cooperative Agreement No. DE-NT0005681 Submitted by: Western Research Institute 365 North 9th St. Laramie, WY 82070 November 12, 2008 Current State of Technology Summary of Existing Treatment Technologies Produced water is a byproduct from oil or gas producing wells. Every year, about 14 to 18 billion barrels of produced water is generated from on-shore oil and gas production in the U.S. alone (Veil et al. 2004).

NT5681_WRITSA.pdf (31.77 KB)