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Diagnosis of Excessive Water Production in Horizontal Wells Using WOR Plots
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, IPTC 2008: International Petroleum Technology Conference, Dec 2008, cp-148-00008
Abstract
Many oil fields in Oman are developed with horizontal wells<br>to maximize productivity and develop wider drainage areas for<br>more cost effective recovery. Premature water breakthrough<br>either from water injectors or from water aquifer reduces the<br>wells profitability because of both reduction in net oil rate and<br>additional cost for water handling. To determine the best<br>solution to shut-off, source and nature of the water entries<br>must be well identified.