Evaluation of Polymerflooding Pilot in Ordinary Heavy Oil Reservoirs in Shengtuo Oilfield
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Abstract
Taking the polymerflooding pilot project in Shengl Block in Shengtuo oilfield as an example, this paper analyzes the response characteristics of polymerflooding in ordinary heavy oil reservoirs with high temperature and high salinity. "Incremental method" is used to analyze the economic benefits of polymerflooding projects through calculating the incremental benefits and costs. Evaluation results reveal that the pilot achieves net economic benefits of 3. 95 × 108 RMB and provides a basis for performing polymerflooding in similar ordinary heavy oilfields at high water cut stage of development.
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