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Vol. 59 No. 7

July 2007

Health, Safety, and Environment

Innovative Chemical and Mechanical Processing for Treatment of Difficult Production-Waste Sludge

East Kalimantan field in Indonesia has experienced challenges in managing and treating emulsions, slop oils, slurries, and tank bottoms that accumulate in process vessels and tanks. Previous disposal methods did not provide oil recovery and posed severe environmental or regulatory problems. A viable treatment process that uses an aggressive system of heat, customized chemical demulsification, settling, and various means of mechanical/centrifuge separation was developed and put in place. The system recovered more than 40,000 bbl of oil.

View a Synopsis of SPE 105584 as published in JPT.

This article, written by Technology Editor Dennis Denney, contains highlights of paper SPE 105584, “Application of Innovative Chemical and Mechanical Processing for Treatment of Difficult Production-Waste Sludge,” by Jacquelyn F. Star, Chevron; Stephen Williams, SPE, M-I Swaco; Isham Sudardjat, Chevron; Roger Kidder, M-I Production Chemicals; and Darrell L. Gallup, SPE, Chevron, prepared for the 2007 SPE E&P Environmental and Safety Conference, Galveston, Texas, 5–7 March.

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