Optimization of the Secondary Upward Timing of Polymer Flooding in the Class II Reservoirs of Beisanxi Oilfield
Abstract
The recovery factor of polymer flooding in the Saertu thick reservoir of Sabei Oilfield has been significantly improved. It is now planned to apply the polymer flooding technology to the Saertu thin-poor layer. Combining with the planned production deployment, this paper designed various schemes, optimized the adjustment mode of one-time upward well-pattern at the late stage, and defined the secondary upward timing of tertiary oil recovery in the class II reservoirs. Considering the service life, test period and block fault development, the economic benefit should be the central to choose the upward timing.
Keywords
The secondary upward timing, Polymer flooding, Well-pattern
DOI
10.12783/dteees/gmee2018/27441
10.12783/dteees/gmee2018/27441
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