Rheological Characterisation Of Crude Oil For Drilling And Production Petroleum Application
Résumé: Crude oil is subjected to important variation in temperature during its extraction and transport in the pipelines, or when used in oil based drilling fluids. These changes have a direct effect on the rheology of oil which conditions its transport or ensures a good cleaning of the well as a drilling mud. According to these considerations, it is interesting to know how the rheological properties of crude oil vary as a function of temperature over a relatively long period of time. This study has been conducted on a sample of crude oil, which has been subsequently aged several months, the rheological behavior of oil was determined at a temperature of 20 ° C by using a Rheometer ARES, then the viscosity temperature relationship was investigated for temperatures of 20 °, 30 °, 40 °, 50 ° 60 ° and 80 ° C, and finally the activation energies of the two samples were calculated
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