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SPE Europec featured at 82nd EAGE Conference and Exhibition - Dynamic Immiscible Flood Monitoring in Sand Packs Via Frequency Domain Reflectometry by Kuznetcov, Ilia; Kantzas, Apostolos; Bryant, Steven is a scholarly article available to read on EtoBox.

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## Abstract Dynamic saturation distribution of fluids in oil reservoirs is arguably the most important piece of information petroleum engineers and geophysicists need. It allows them to better characterize oil fields, choose right enhanced oil recovery techniques and make accurate recovery forecasts. The main objective of the present paper is to develop and test a novel non-intrusive technology that enables real time in-situ monitoring of fluid saturations in porous media during immiscible floods. To achieve this goal we designed, constructed and commissioned a high pressure (up to 25MPa) and temperature (up to 200°C) core-holder with an antenna that allows for low power electromagnetic sweeps in the radio frequency range. A novel inversion algorithm was created and incorporated with our core-holder-pump system that enables dynamic acquisition of the oil and water saturations. Experiments were conducted through sand packs saturated with water and then displaced with oils of varying viscosity (drainage) followed by water flooding (imbibition). Reflection and transmission coefficients in the frequency domain were measured while flooding using a commercial vector network analyzer conn

Author

Kuznetcov, Ilia; Kantzas, Apostolos; Bryant, Steven

Publisher

Society of Petroleum Engineers

Published

2020

Language

EN