Cyclic steam, gas enhance Bohai heavy oil production

Zhong Liguo China University of Petroleum Beijing Sun Yongtao China Oilfield Service Ltd. CNOOC Tianjin This article presents preliminary results of stimulation principles and offshore oilfield testing of cyclic steam and gas stimulation. Heavy oil production from Bohai oilfield, using such cold-production processes as primary recovery and chemical flooding, has been limited. Such thermal processes as steam injection may enhance offshore heavy oil production. The difficulty of installing a steam generator on a production platform has led China Oilfield Service Ltd. CNOOC to develop a compact steam and gas generator that is easy to install on a platform because of its separate units for wa...

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