publication . Article . 2019

An Analytical Production Model for Primary Production and Cyclic Solvent Injection in a Heavy-Oil Reservoir

Hongze Ma; Gaoming Yu; Yuehui She; Yongan Gu;
  • Published: 12 Jul 2019 Journal: SPE Journal, volume 24, pages 2,695-2,710 (issn: 1086-055X, eissn: 1930-0220, Copyright policy)
  • Publisher: Society of Petroleum Engineers (SPE)
Summary In this paper, we formulated an analytical material–balance model (MBM) to predict cumulative heavy–oil and gas-production data, as well as the average reservoir pressures, during the primary production and subsequent cyclic solvent injection (CSI) in a heavy–oil reservoir. The theoretical MBM considers the nonequilibrium foamy–oil phase behavior and foamy–oil flow by invoking two kinetic equations with nucleation and decay coefficients. In addition, we conducted four laboratory sandpack tests of the primary production and subsequent CSI to validate the new production model. It was found that the predicted cumulative heavy–oil production data and average...
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Sustainable Development Goals: 13. Climate action
Fields of Science and Technology classification: 02 engineering and technology01 natural sciences0105 earth and related environmental sciences0204 chemical engineering020401 chemical engineering010502 geochemistry & geophysics
free text keywords: Geotechnical Engineering and Engineering Geology, Energy Engineering and Power Technology, Primary (chemistry), Production (economics), Heavy oil reservoir, Solvent, Materials science, Production model, Pulp and paper industry
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Article . 2019
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