The effectiveness of the use of physical impact on the reservoir to reduce the viscosity and increase oil recovery

G.Zh. Moldabayeva; R.T. Suleimenova; A.Kh. Agzamov; S.Zh. Abileva; B.A. Baluanov; A.S. Karimova

doi:10.31643/2021/6445.07

Authors

G.Zh. Moldabayeva Satbayev University
R.T. Suleimenova Satbayev University
A.Kh. Agzamov Karshi Engineering and Economic Institute
S.Zh. Abileva Satbayev University
B.A. Baluanov Satbayev University
A.S. Karimova Atyrau University of Oil and Gas named after Safi Utebayev

DOI:

https://doi.org/10.31643/2021/6445.07

Keywords:

Physical impact, viscosity, oil recovery factor, technical and economic efficiency, technology of physical impact, geological and technical measures.

Abstract

This article provides a technical and economic assessment of the effectiveness of the application of physical impact on a productive formation in one of the fields in Western Kazakhstan. The world experience of using the technology of physical stimulation in the fields shows high technological efficiency. Also, in order to optimize oil production, as a result of physical impact, changes in oil viscosity, an increase in oil production and a decrease in water cut were calculated. All the Cretaceous horizons have good reservoir properties, however, the high viscosity of oil and poor consolidation of the rocks composing the horizons do not allow for the full recovery of the product. Determination of phase permeabilities in the oil-water system was carried out in laboratory conditions with joint stationary filtration. According to the calculations performed in order to optimize oil production, as a result of physical impact, the oil viscosity changed to a value of 430 cP from 700 cP, the value decreased almost 2 times. There is also an increase in oil production and a decrease in water cut.

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Author Biographies

G.Zh. Moldabayeva, Satbayev University

Doctor of Technical Sciences, Associate Professor of the Department of Petroleum Engineering, Satbayev University, 050013, Satpayev 22a, Almaty, Kazakhstan.

R.T. Suleimenova, Satbayev University

Doctoral student of the Department of Petroleum Engineering, Satbayev University, 050013, Satpayeva 22a, Almaty, Kazakhstan.

A.Kh. Agzamov, Karshi Engineering and Economic Institute

Doctor of Technical Sciences, Professor of the Department of Development and Operation of Oil and Gas Fields, Karshi Engineering and Economic Institute, 180100, Mustakillik Avenue, 225, Karshi, Uzbekistan.

S.Zh. Abileva, Satbayev University

Doctoral student of the Department of Petroleum Engineering, Satbayev University, 050013, Satpayeva 22a, Almaty, Kazakhstan.

B.A. Baluanov, Satbayev University

Doctoral student of the Department of Petroleum Engineering, Satbayev University, 050013, Satpayeva 22a, Almaty, Kazakhstan.

A.S. Karimova, Atyrau University of Oil and Gas named after Safi Utebayev

Candidate of Physical and Mathematical Sciences, Associate Professor of the Oil and Gas Faculty, Atyrau University of Oil and Gas named after Safi Utebayev, Baimukhanov 45a, Atyrau, Kazakhstan.

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