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On methods of hydraulic fracturing efficiency evaluation

Authors: I.A. Guskova, Dr.Sc., A.A. Rybakov, A.T. Gabdrakhmanov (Almetyevsk State Petroleum Institute, RF, Almetyevsk), T.N. Yusupova, E.E. Barskaya (Arbuzov Kazan Organic and Physical Chemistry Institute, Kazan Research Center of RAS, RF, Kazan)

Key words: hydraulic fracturing, optical properties, residual oil reserves, oil recovery factor, light absorption coefficient.

The authors analyzed the effect of hydraulic fracturing on the process of residual oil displacement for the terrigenous Devonian formations of the Romashkinskoye field. Hydraulic fracturing, like any other EOR method, might improve reservoir performance through increase of both oil displacement efficiency and conformance. To understand reservoir response to hydraulic fracturing and to evaluate the effect of the technology, the authors suggest analyzing producing well performance together with variations of the light absorption coefficient. The paper also presents comparative analysis of well performance, light absorption variations, and fractional analysis following hydraulic fracturing.
References
1. Ibatullin R.R., Gus'kova I.A., Gabdrakhmanov A.T. et al., Neftyanoe
khozyaystvo – Oil Industry, 2013, no. 11, pp. 113–115.
2. Gus'kova I.A., Gabdrakhmanov A.T., Neftyanoe khozyaystvo – Oil Industry,
2011, no. 4, pp. 101–103.
3. Patent no.2429343 RF, MPK E 21 V 43/16, Oil deposit development method,
Inventors: Ibragimov N.G., Gus'kova I.A., Ibatullin R.R., Rakhmanov A.R., Gabdrakhmanov A.T., Shvetsov M.V.

Key words: hydraulic fracturing, optical properties, residual oil reserves, oil recovery factor, light absorption coefficient.

The authors analyzed the effect of hydraulic fracturing on the process of residual oil displacement for the terrigenous Devonian formations of the Romashkinskoye field. Hydraulic fracturing, like any other EOR method, might improve reservoir performance through increase of both oil displacement efficiency and conformance. To understand reservoir response to hydraulic fracturing and to evaluate the effect of the technology, the authors suggest analyzing producing well performance together with variations of the light absorption coefficient. The paper also presents comparative analysis of well performance, light absorption variations, and fractional analysis following hydraulic fracturing.
References
1. Ibatullin R.R., Gus'kova I.A., Gabdrakhmanov A.T. et al., Neftyanoe
khozyaystvo – Oil Industry, 2013, no. 11, pp. 113–115.
2. Gus'kova I.A., Gabdrakhmanov A.T., Neftyanoe khozyaystvo – Oil Industry,
2011, no. 4, pp. 101–103.
3. Patent no.2429343 RF, MPK E 21 V 43/16, Oil deposit development method,
Inventors: Ibragimov N.G., Gus'kova I.A., Ibatullin R.R., Rakhmanov A.R., Gabdrakhmanov A.T., Shvetsov M.V.


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