1887

Abstract

Summary

This work presents results of laboratory studies and field tests of viscosified oil-displacing composition NINKA-Z with controlled viscosity and alkalinity, developed at Institute of Petroleum Chemistry SB RAS. This composition is both oil-displacing and flow-diverting, and can be used for enhancing oil recovery by increasing reservoir sweep and oil displacement efficiency. Not only injectors can be treated by NINKA-Z, but also producers, with reagent-cyclic technology, similar to cyclic steam stimulation, without heating. Field tests were held in 2014 on steam flood area of Permo-Carbon deposit of Usinskoye oilfield. Five steam injection wells were treated, and results were observed on 75 producing wells. The effect was more than 10 thou.tonne of extra oil, proving the effectiveness of the technology.

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/content/papers/10.3997/2214-4609.201413906
2015-09-07
2024-04-27
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References

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