Effective resource management of produced water in oil & gas operations
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Canadian International Petroleum Conference 2004, CIPC 2004.All Rights Reserved. Advanced separation technologies encourage on-site conversion of produced water into dischargeable or fresh water via distributed water processing and recycling (DWPR) system which involves oil removal and total solids (TS) removal units. Several combinations of such units can be designed according to the quality of the produced water and the desired results. In this work the results of oil removal and Total Dissolved Solid (TDS) removal parts of DWPR system are discussed in detail. Several laboratory tests were performed to evaluate a recently developed oil adsorbing product (Organoclay PS12385). The results show appreciable removal of emulsified and soluble oil. Fast kinetics and high adsorption capacities were observed. Reverse Osmosis experiments were performed to determine the processing parameters for TDS removal. The results of combining oil adsorption and reverse osmosis process shows cost reduction in produced water handling and proves the DWPR system very effective in produced water management. The DWPR system can be advanced to develop applications such as; habitat and rangeland restoration, reservoir recharge, aquifer recharge and agriculture use. From oil and gas producers point of view DWPR is able to convert produced water as a revenue generating source.
