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Geotechnical principles of fracturing size selection

Authors: R.R. Ibatullin, A.V. Nasybullin, O.V. Salimov (TatNIPIneft, RF, Bugulma)

Key words: hydraulic fracturing (HF), proppant specific volume, proppant number, unified fracture design, tip-screenout technology.

The paper discusses the effect of proppant specific volume on hydrofrac efficiency in Tatarstan oil fields. Case studies of hydrofrac planning using the unified fracture design are presented. It has been demonstrated that when deciding between available hydrofrac technologies involving high volumes of proppant preference shall be given to TSO and Frac-Pack technologies.

References

1. Ekonomides M., Olini R., Val'ko P., Unifitsirovannyy dizayn gidrorazryva plasta: ot teorii k praktike (Unified design of hydraulic fracturing: from theory to practice ), Moscow - Izhevsk: Institut komp'yuternykh issledovaniy Publ., 2007, 236 p.

2. Valko P., Economides M., Heavy crude production from shallow formations: long horizontal wells versus horizontal fractures, Paper SPE 50421, November 1998.

Key words: hydraulic fracturing (HF), proppant specific volume, proppant number, unified fracture design, tip-screenout technology.

The paper discusses the effect of proppant specific volume on hydrofrac efficiency in Tatarstan oil fields. Case studies of hydrofrac planning using the unified fracture design are presented. It has been demonstrated that when deciding between available hydrofrac technologies involving high volumes of proppant preference shall be given to TSO and Frac-Pack technologies.

References

1. Ekonomides M., Olini R., Val'ko P., Unifitsirovannyy dizayn gidrorazryva plasta: ot teorii k praktike (Unified design of hydraulic fracturing: from theory to practice ), Moscow - Izhevsk: Institut komp'yuternykh issledovaniy Publ., 2007, 236 p.

2. Valko P., Economides M., Heavy crude production from shallow formations: long horizontal wells versus horizontal fractures, Paper SPE 50421, November 1998.


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