Investigating drilling fluid formulations to penetrate productive horizons with high-viscosity formation fluids
https://doi.org/10.31660/0445-0108-2022-5-98-107
Abstract
It draws our attention to the processes of interaction between the well and the penetrated permeable formations during its construction, which are largely determined by geological and thermobaric conditions, types of fluid saturating the formation, used technologies and technical means. The article deals with the main problems of well construction intended for the high-viscosity oil production. Laboratory and experimental studies have been conducted to solve these issues, they will help to scientifically substantiate and implement new technologies and technical means to increase productivity and durability of wells intended for production of high-viscosity oil from productive formations with complex thermobaric conditions. In this work, the authors conducted a study of the formulations of flushing fluids to penetrate productive horizons with high-viscosity formation fluids. Based on the results of the laboratory tests, it was decided to use a fresh polycationic solution.
About the Authors
V. P. Ovchinnikov
Industrial University of Tyumen
Russian Federation
Russian Federation
Vasiliy P. Ovchinnikov, Doctor of Engineering, Professor, Head of the Department
Department of Drilling Oil and Gas Wells
Tyumen
O. N. Shemelina
Industrial University of Tyumen
Russian Federation
Russian Federation
Olga N. Shemelina, Postgraduate
Tyumen
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Review
For citations:
Ovchinnikov V.P., Shemelina O.N. Investigating drilling fluid formulations to penetrate productive horizons with high-viscosity formation fluids. Oil and Gas Studies. 2022;(5):98-107. (In Russ.) https://doi.org/10.31660/0445-0108-2022-5-98-107
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