"REPORTER of the Association of Drilling Contractors" N 3, 2015

THE APPROXIMATE METHOD OF ACCOUNTING FOR THE INFLUENCE OF THE ANISOTROPY PARAMETER ON THE PERFORMANCE OF HORIZONTAL WELLS IN DIFFERENT THICKNESS AND PERMEABILITY RESERVOIR
Aliyev, Zagid S. — Cand. Tech. Sci., professor, design and operation of gas and gas condensate fields department, the State Gubkin University of Oil and Gas, e-mail:rgkm@gubkin.ru
Kotlyarova, Elena M — Cand. Tech. Sci., senior lecturer, design and operation of gas and gas condensate fields department, the State Gubkin University of Oil and Gas, e-mail: kotlyarova_gubkin@mail.ru
Marakov, Denis A. — Ph.D., Cand. Tech. Sci., senior lecturer, design and operation of gas and gas condensate fields department, the State Gubkin University of Oil and Gas, e-mail: marakovdenis78@gmail.com

Key words: horizontal well, anisotropy parameter, thickness of the reservoir, vertical permeability, horizontal permeability, well productivity.

The performance of horizontal wells penetrated anisotropic layers it affects a large number of factors. For well production revealed the anisotropic formation similar to the well production rate which revealed an isotropic layer is necessary either to increase the drawdown or increase the length of the horizontal section. In this paper we consider the influence of the anisotropy parameter, thickness and permeability of the anisotropic layer on the performance of a horizontal well. It is shown that at constant horizontal permeability and smaller the value of the anisotropy parameter, the greater the effect of anisotropy on performance so the greater the decrease in horizontal wells.








 

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