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Unified design of induced fractures with variable permeability

Authors: O.V. Salimov, A.V. Nasybullin (TatNIPIneft, RF, Bugulma), V.G. Salimov (Volga-Kama Local Section of Russian Academy of Natural Sciences, RF, Bugulma)

Key words: acid fracturing, fracture conductivity, unified design

Feasibility of the unified design concept for induced fractures with permeability dictated by fractures’ geometries has been shown. Reasoning for the acid fracturing unified design concept is offered, as well as a methodology for calculation. The developed methodology is an effective tool for optimizing acid fracturing treatment, justification of the treatment volume and effectiveness prediction even at the stage of well planning.
References
1. Economides M., Oligney R., Valko P., Unified fracture design. Bridging the
gap between theory and practice, Orsa Press, Alvin, Texas, 2002, 262 p.
2. Mahdiyar H., Jamiolahmady M., Danesh A., New mechanical and
damage skin factor correlations for hydraulically fractured wells, SPE
107634, 2007.
3. Cinco-Ley H., Samaniego-V.F., Transient pressure analysis: Finite conductivity
fracture case versus damage fracture case, SPE 10179, 1981.
4. Nierode D.E., Kruk K.F., An evaluation of acid fluid loss additives, retarded
acids, and acidized fracture conductivity, SPE 4549, 1973.
5. Khisamov R.S., Salimov O.V., Borisov G.A., Salimov V.G., Experimental
study of acid fracture conductivity as a function of confining stress (In
Russ.), Neftyanoe khozyaystvo = Oil Industry, 2015, no. 6, pp. 58-61.
6. Meyer B.R., Jacot R.H., Pseudo-steady state analysis of finite conductivity
vertical fractures, SPE 95941, 2005.
7. Williams B.B., Nierode D.E., Design of acid fracturing treatments,
J. Petr. Tech., 1972, no. 7 (July), pp. 849-859.
8. Roberts L.D., Guin J.A., A new method for predicting acid penetration
distance, Soc. Pet. Eng. J., 1975, no. 15(4), Aug., pp. 277-286.

Key words: acid fracturing, fracture conductivity, unified design

Feasibility of the unified design concept for induced fractures with permeability dictated by fractures’ geometries has been shown. Reasoning for the acid fracturing unified design concept is offered, as well as a methodology for calculation. The developed methodology is an effective tool for optimizing acid fracturing treatment, justification of the treatment volume and effectiveness prediction even at the stage of well planning.
References
1. Economides M., Oligney R., Valko P., Unified fracture design. Bridging the
gap between theory and practice, Orsa Press, Alvin, Texas, 2002, 262 p.
2. Mahdiyar H., Jamiolahmady M., Danesh A., New mechanical and
damage skin factor correlations for hydraulically fractured wells, SPE
107634, 2007.
3. Cinco-Ley H., Samaniego-V.F., Transient pressure analysis: Finite conductivity
fracture case versus damage fracture case, SPE 10179, 1981.
4. Nierode D.E., Kruk K.F., An evaluation of acid fluid loss additives, retarded
acids, and acidized fracture conductivity, SPE 4549, 1973.
5. Khisamov R.S., Salimov O.V., Borisov G.A., Salimov V.G., Experimental
study of acid fracture conductivity as a function of confining stress (In
Russ.), Neftyanoe khozyaystvo = Oil Industry, 2015, no. 6, pp. 58-61.
6. Meyer B.R., Jacot R.H., Pseudo-steady state analysis of finite conductivity
vertical fractures, SPE 95941, 2005.
7. Williams B.B., Nierode D.E., Design of acid fracturing treatments,
J. Petr. Tech., 1972, no. 7 (July), pp. 849-859.
8. Roberts L.D., Guin J.A., A new method for predicting acid penetration
distance, Soc. Pet. Eng. J., 1975, no. 15(4), Aug., pp. 277-286.


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