The study of multiple hydraulic fractures propagation along the horizontal wellbore

UDK: 622.
DOI: 10.24887/0028-2448-2023-2-90-94
Key words: tight oil reserves, hydraulic fracturing, multistage hydraulic fracturing, horizontal well with hydraulic fracturing, hydraulic fracturing modeling, hydraulic fracturing design, hydraulic fracturing simulator, microseismic monitoring, geomechanics
Authors: R.R. Murtazin (RN-BashNIPIneft LLC, RF, Ufa), A.V. Aksakov (RN-BashNIPIneft LLC, RF, Ufa), I.M. Yamilev (RN-BashNIPIneft LLC, RF, Ufa), A.M. Sadykov (RN-BashNIPIneft LLC, RF, Ufa), I.F. Gallyamov (RN-BashNIPIneft LLC, RF, Ufa)

When modeling fractured horizontal wells with longitudinal fractures, simplified methods are currently used. They do not take into account the change in the reservoir stress-strain state caused by hydraulic fractures of previous stages. The most important task is to improve hydraulic fracturing modeling methods. Therefore, this work objective is to compare the results of hydraulic fracture geometry field studies with the results of modeling multi-fractured horizontal wells with wellbores drilled in the maximum horizontal reservoir stress direction, accounting for changes in the pre-fractured reservoir stress-strain state. Data on hydraulic fracture propagation in rocks, obtained from the results of borehole microseismic monitoring, is currently of particular interest due to the lack of alternatives among the methods for monitoring the hydraulic fracture geometry in horizontal wells. The paper presents the microseismic study results of a multi-fractured horizontal well, located in one of the large fields of Western Siberia. Microseismic monitoring data was used to be compared with the results of mathematical modeling of multi-stage hydrofracturing in horizontal wells in the hydraulic fracturing simulator RN-GRID. The fracture geometry calculations took into account changes in the reservoir stress state from the previous fracturing stages. It is demonstrated that the proppant distribution in the subsequent hydraulic fracturing stages relative to the frac ports position is almost always laterally asymmetrical. In addition, there is a risk of hydraulic fracture breakthrough, which is not predicted by simulators taking no account of the local change in the reservoir stress-strain state from previous stages. It is shown that the results of hydrofracturing microseismic monitoring can be used to improve hydraulic fracturing designs and reservoir engineering.


1. Miroshnichenko A.V., Korotovskikh V.A., Musabirov T.R. et al., Investigation of horizontal wells with multi-stage hydraulic fracturing technological efficiency in the development of low-permeability oil reservoirs (In Russ.), SPE-206412-RU, 2021, DOI:

2. Toropov K.V., Sergeychev A.V., Murtazin R.R. et al., Experience in microseismic monitoring of multi-stage fracturing by RN-Yuganskneftegas LLC (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 11, pp. 23-26.

3. Aksakov A.V., Borshchuk O.S., Zheltova I.S. et al., Corporate fracturing simulator: from a mathematical model to the software development (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2016, no. 11, pp. 35–40.

4. Eliseev P.I., Comparing simulation results in the RN-GRID software with field research of proppant gravity differentiation in the process of closing a hydraulic fracture in a low-permeability reservoir (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2021, no. 12, pp. 117–121, DOI: 10.24887/0028-2448-2021-12-117-121

5. Akhtyamov A.A., Makeev G.A., Baydyukov K.N. et al., Corporate fracturing simulator RN-GRID: from software development to in-field implementation (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2018, no. 5, pp. 94–97, DOI: 10.24887/0028-2448-2018-5-94-97

6. Pestrikov A.V., Peshcherenko A.B., Grebel'nik M.S., Yamilev I.M., Validation of the Planar3D hydraulic fracture model implemented in the corporate simulator RN-GRID (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2018, no. 11, pp. 46–50, DOI: 10.24887/0028-2448-2018-11-46-50

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