OIL WELL INFLOW WITH A COMPLEX WELLBORE TRAJECTORY AT THE DEVELOPMENT RESERVOIR
https://doi.org/10.37493/2308-4758.2021.2.3
Abstract
Introduction. This paper discusses approaches to calculating the productivity of oil wells. Existing solutions do not allow taking into account many important factors, such as, for example, hydraulic resistance in the wellbore, wellbore trajectory, etc. Materials and methods of research. The article presents a developed numerical method for modeling oil flow to an oil well with a complex wellbore trajectory along the productive formation. Results and Discussion. Based on the function for the point flow potential and the method of hydraulic calculations, an original solution was obtained, which takes into account not only the change in pressure and low rates for individual sections of the well, but also the hydrodynamic imperfection of the well. Conclusion. Comparison of the results of operation of wells with undulating and horizontal wells, based on the simulation of their work, is carried out.
About the Authors
S. I. Grachev
Industrial University of Tyumen
Russian Federation
Russian Federation
T. V. Rogozina
Industrial University of Tyumen
Russian Federation
Russian Federation
Z. M. Kolev
Industrial University of Tyumen
Russian Federation
Russian Federation
E. I. Mamchistova
Industrial University of Tyumen
Russian Federation
Russian Federation
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Review
For citations:
Grachev S.I., Rogozina T.V., Kolev Z.M., Mamchistova E.I. OIL WELL INFLOW WITH A COMPLEX WELLBORE TRAJECTORY AT THE DEVELOPMENT RESERVOIR. Science. Innovations. Technologies. 2021;(2):39-58. (In Russ.) https://doi.org/10.37493/2308-4758.2021.2.3
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