Software-assisted express-assessment of WAG process parameters based on correlations and analytical functions

Afonin D.G. “Tyumen petroleum research center” LLC
Ruchkin A.A. “Tyumen petroleum research center” LLC
Zimin P.V. pvzimin@tnnc.rosneft.ru “Tyumen petroleum research center” LLC
DOI: 10.24412/2076-6785-2023-8-82-87

Abstract
A methodology has been developed and a software module has been created to evaluate the technological indicators of water alternating gas based on the correlation dependencies of the increase in the oil recovery coefficient from the injected gas and the geological and physical properties of the formation, as well as analytical dependencies obtained from the results of sectoral hydrodynamic modeling. An approach to determining
the geological, technological and infrastructural risks of using water-gas methods to increase oil recovery is presented.

Materials and methods
Determination of the mixing pressure, the regime of oil displacement by gas and the increase in the oil recovery coefficient according to correlation dependencies, forecasting the dynamics of technological indicators of water alternating gas based on the modified rate of liquid drop for gas and water injection cycles, the characteristics of displacement and the dependence of the normalized increase in the oil recovery coefficient on gas pumping.

Keywords
water alternating gas (WAG), method of increasing oil recovery, correlation, analytical dependence, express assessment,
software module
Download article