2011•Journal of Oil and Gas TechnologyRequires access

Optimization of Steam Injection Parameters of P3 Horizontal Well in 9~(th) Region of Gudong Oil Production Plant

Zheng Wei-lin

Abstract

A numerical simulation was conducted on optimization of steam injection parameters of horizontal wells in heavy oil reservoirs in combination with reservoir geologic characters in west block of Region 9 of Gudong Oil Production Plant of Shengli Oilfield.A geologic model was established and history matching was performed on the production performance.The injection parameters of Horizontal Well GD9-P3 are optimized in the Ng42 of 4th Sand Group in the west block of 9th Region.Through optimization,the optimized steam injection range is between 2000~2300t,the optimized steam injection rate is 8.4 t/h,the optimized range of soak time is between 5 ~ 7d,the optimized dryness of steam injection rate is up to 50%.

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Key concepts: Steam injection, Petroleum engineering, Injection well, Oil production, Dryness, Production rate, Block (permutation group theory), Environmental science