DOWS reduce produced water disposal costs

John A. Veil Argonne National Laboratory Washington, D.C. Bruce G. Langhus CH2M Hill Inc. Tulsa Stan Belieu Nebraska Oil & Gas Conservation Commission Lincoln, Neb. A relatively new technology, downhole oil/water separators (DOWS), can reduce the cost of handling produced water. DOWS are devices that at the bottom of the well separate out water from the oil and gas stream. Some of this water is reinjected into another formation or horizon, while the oil, gas, and remaining water are produced to surface. Water is the largest-volume waste stream associated with oil and gas production. Treatment and disposal of water represent significant costs for operato...

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