Produced water still makes up the largest waste stream in up stream hydrocarbon (E & P) industry in Indonesia. Processing and disposing of produced water can make the difference between making a profit and losing money.

Understanding produced water and its unique nature in Indonesia is essential in designing and operating treatment systems. The regulatory requirement is still growing here, and continuous inputs on best practicable technologies available to the regulatory bodies should be maintained and enhanced.

Throughout the history of Petroleum production, since more than 100 years ago, gravity settling tank is the only best known in industry, but recent improvements in processing technologies are added into the old installations. More sophisticated separating systems have been installed and prove to meet the less stringent regulatory requirements. In offshore operations, especially in environmentally sensitive waters, practice with hydro-cyclone technology has been applied. While in onshore, injection to disposal wells are the safe and environmentally sound technology can be applied.

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