Recovery Rate Model for Strong Bottom Water Drive Reef Limestone Reservoirs

doi:10.11885/j.issn.1674-5086.2017.11.07.01

Abstract

Abstract: To realize rapid prediction of the recovery rate of offshore strong bottom water drive reef limestone reservoir L, a model for simulating the mechanisms of the various factors affecting the reservoir exploitation was developed. The model was developed by reviewing and analyzing the geological, fluid, and engineering parameters associated with the reservoir exploitation process. The functional relationships between the recovery rate and the various influencing factors were then determined on the basis of the model as well as a numerical simulation study, thereby yielding a list of the major factors affecting the recovery rate of the water drive reservoir. Through this approach, a model was then developed for quantitatively representing the recovery rate of water drive reef limestone reservoirs, by employing an orthogonal experiment design and multiple nonlinear regression theory. Field application results showed that the recovery rate model was capable of rapidly predicting the recovery rate of strong bottom water drive reef limestone reservoirs exploited using horizontal wells, with high accuracy and small error.

Key words: reef limestones, recovery rates, waterflooding, influencing factor, quantitative characterization model

CLC Number:

TE33

LUO Donghong, ZHU Xu, DAI Zong, CHENG Jia, NING Yuping. Recovery Rate Model for Strong Bottom Water Drive Reef Limestone Reservoirs[J]. 西南石油大学学报(自然科学版), 2018, 40(5): 105-112.

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URL: http://journal15.magtechjournal.com/Jwk_xnzk/EN/10.11885/j.issn.1674-5086.2017.11.07.01

http://journal15.magtechjournal.com/Jwk_xnzk/EN/Y2018/V40/I5/105

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