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The evolution of the hydraulic fracturing technology on the fields of Perm region

UDK: 622.276.66(470.53)
DOI: 10.24887/0028-2448-2018-11-108-113
Key words: hydraulic fracturing, hydraulic fracturing technology modifications, individual approach, clastic and carbonate reservoir
Authors: V.L. Voevodkin (LUKOIL-Engineering LLC, RF, Moscow), А.А. Aleroev (LUKOIL-Engineering LLC, RF, Moscow), T.R. Baldina (LUKOIL-PERM LLC, RF, Perm), A.V. Raspopov (PermNIPIneft Branch of LUKOIL-Engineering LLC in Perm, RF, Perm), А.S. Kazantsev (PermNIPIneft Branch of LUKOIL-Engineering LLC in Perm, RF, Perm), S.A. Kondratev (PermNIPIneft Branch of LUKOIL-Engineering LLC in Perm, RF, Perm)

Perm region belongs to the oldest oil and gas producing regions of Russia, in this connection, the fields are at various stages of development, and the vast majority of which belongs to the small.

The productive layers of five oil and gas complexes lie at depths of less than 2.5 km, are represented by a sandy and carbonate type of reservoir, have a low temperature and relatively low reservoir properties with high variability, both in area and in section. The most complex structure and a wider range of geological and physical properties are differ by productive formations with carbonate reservoir type, which is confirmed by lower rates of their production and excess of the share of residual recoverable reserves (62%), in the current period, over the initial geological (55%) in comparison with the sand reservoir type. In the conditions under consideration, testing of hydraulic fracturing (frac) technologies occurred separately for the conditions of each type of reservoir.

Since 2005, the history of industrial application of modern approaches and equipment in the implementation of hydraulic fracturing has begun. The article presents the evolution of the application of technology modifications taking into account the features of objects. The development of technologies occurred as a result of the interaction of specialists at all stages of planning, implementation and analysis of the work performed within the framework of the formed working group, which is an integral part of the monitoring of field development. As a result of the individual approach, hydraulic fractures with the use of acid compositions, proppant, various systems of fracturing fluids, diverters and water flow restrictions for the conditions of carbonate and sandy reservoirs are successfully implemented, the conditions for their most effective application are determined. Currently, more than twenty hydraulic fracturing modifications have been tested and transferred to industrial use. The implementation of an individual approach has significantly expanded the scope of hydraulic fracturing and increase the rate of development of reserves of low-yielding layers.

References

1. Voevodkin V.L., Raspopov A.V., Muzhikova L.N., Kondratʹev S.A., Application of new technological solutions in the field of oil & gas development in the oilfields of LUKOIL-PERM LLC (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2012, no. 12, pp. 104–106.

2. Antonov D.V., Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Experience of hydraulic fracturing in the deposits of Perm region and the main directions of improving its efficiency (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2014, no. 3, pp. 70–72.

3. Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Malysheva V.L., Some experience of the formation proppant fracturine in carbonate reservoirs of Perm region deposits (In Russ.), Neftepromyslovoe delo, 2016, no. 6, pp. 23–25.

4. Galkin V.I., Koltyrin A.N., Kazantsev A.S. et al., Development of a statistical model aimed at prediction of efficiency of proppant hydraulic fracturing of a formation, based on a reservoir geological-technological parameters, for Vereiskian carbonate oil- and gas-bearing complex (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2017, no. 3, pp. 48–54.

5. Barkovskiy N.N., Kondratʹev S.A., Amirov A.M. et al., Complex approach to laboratory testing modeling of breakdown fluid (In Russ.), Neftepromyslovoe delo, 2018, no. 9, pp. 33–40.

6. Kashnikov YU.A., Ashikhmin S.G., Shustov D.V. et al., In situ stress in the oil fields of Western Ural (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 5, pp. 64–67.

7. Kashnikov YU.A., Shustov D.V., Kukhtinskiy A.EH., Kondratʹev S.A., Geomechanical properties of the terrigenous reservoirs in the oil fields of Western Ural (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2017, no. 4, pp. 32–65.

8. Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Malysheva V.L., Accounting of layers’ elastic mechanical properties when performing a formation hydraulic fracturing on the example of one of the objects of fields development in Perm region (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2015, no. 12, pp. 56–59.

9. Kondratʹev S.A., Zhigalov V.A., Malysheva V.L., Prediction of a formation’s elastic-mechanical properties by the data of the standard GIS complex to estimate the risks of fractures development that appeared after conducting a formation hydraulic fracturing along the vertical of the formation (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2018, no 5, pp. 55–59.

Perm region belongs to the oldest oil and gas producing regions of Russia, in this connection, the fields are at various stages of development, and the vast majority of which belongs to the small.

The productive layers of five oil and gas complexes lie at depths of less than 2.5 km, are represented by a sandy and carbonate type of reservoir, have a low temperature and relatively low reservoir properties with high variability, both in area and in section. The most complex structure and a wider range of geological and physical properties are differ by productive formations with carbonate reservoir type, which is confirmed by lower rates of their production and excess of the share of residual recoverable reserves (62%), in the current period, over the initial geological (55%) in comparison with the sand reservoir type. In the conditions under consideration, testing of hydraulic fracturing (frac) technologies occurred separately for the conditions of each type of reservoir.

Since 2005, the history of industrial application of modern approaches and equipment in the implementation of hydraulic fracturing has begun. The article presents the evolution of the application of technology modifications taking into account the features of objects. The development of technologies occurred as a result of the interaction of specialists at all stages of planning, implementation and analysis of the work performed within the framework of the formed working group, which is an integral part of the monitoring of field development. As a result of the individual approach, hydraulic fractures with the use of acid compositions, proppant, various systems of fracturing fluids, diverters and water flow restrictions for the conditions of carbonate and sandy reservoirs are successfully implemented, the conditions for their most effective application are determined. Currently, more than twenty hydraulic fracturing modifications have been tested and transferred to industrial use. The implementation of an individual approach has significantly expanded the scope of hydraulic fracturing and increase the rate of development of reserves of low-yielding layers.

References

1. Voevodkin V.L., Raspopov A.V., Muzhikova L.N., Kondratʹev S.A., Application of new technological solutions in the field of oil & gas development in the oilfields of LUKOIL-PERM LLC (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2012, no. 12, pp. 104–106.

2. Antonov D.V., Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Experience of hydraulic fracturing in the deposits of Perm region and the main directions of improving its efficiency (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2014, no. 3, pp. 70–72.

3. Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Malysheva V.L., Some experience of the formation proppant fracturine in carbonate reservoirs of Perm region deposits (In Russ.), Neftepromyslovoe delo, 2016, no. 6, pp. 23–25.

4. Galkin V.I., Koltyrin A.N., Kazantsev A.S. et al., Development of a statistical model aimed at prediction of efficiency of proppant hydraulic fracturing of a formation, based on a reservoir geological-technological parameters, for Vereiskian carbonate oil- and gas-bearing complex (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2017, no. 3, pp. 48–54.

5. Barkovskiy N.N., Kondratʹev S.A., Amirov A.M. et al., Complex approach to laboratory testing modeling of breakdown fluid (In Russ.), Neftepromyslovoe delo, 2018, no. 9, pp. 33–40.

6. Kashnikov YU.A., Ashikhmin S.G., Shustov D.V. et al., In situ stress in the oil fields of Western Ural (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 5, pp. 64–67.

7. Kashnikov YU.A., Shustov D.V., Kukhtinskiy A.EH., Kondratʹev S.A., Geomechanical properties of the terrigenous reservoirs in the oil fields of Western Ural (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2017, no. 4, pp. 32–65.

8. Kondratʹev S.A., Zhukovskiy A.A., Kochneva T.S., Malysheva V.L., Accounting of layers’ elastic mechanical properties when performing a formation hydraulic fracturing on the example of one of the objects of fields development in Perm region (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2015, no. 12, pp. 56–59.

9. Kondratʹev S.A., Zhigalov V.A., Malysheva V.L., Prediction of a formation’s elastic-mechanical properties by the data of the standard GIS complex to estimate the risks of fractures development that appeared after conducting a formation hydraulic fracturing along the vertical of the formation (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2018, no 5, pp. 55–59.


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