Test & treat - treating hydrostatic test water


Courtesy of CETCO Energy Services

A pipeline company in Iowa conducted a hydrostatic test of its pipeline, producing 39,000 barrels of fluid for treatment. The hydrostatic test water was to be discharged in accordance with a National Pollutant Discharge Elimination System (NPDES) permit. The permit required that discharge of the treated test water could not exceed a period of 14 days from the date the test was conducted.

Fluid was pumped directly from the pipeline to CETCO’s onsite equipment at a rate of approximately 4 barrels per minute. CETCO operators continuously monitored the treated water to ensure that all discharge criteria were met. The project was completed in just seven days, with 39,000 barrels of water being treated.

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