Abstract
A mathematical model of conjugate heat transfer during the laminar movement of oil fluid in the well is proposed. The motion of a gas-liquid medium in a two-dimensional axisymmetric stationary formulation is described by the equations of the boundary layer. A case of well operation in which oil is lifted to the surface due to reservoir energyis considered. A three-component medium is presented as a mixture of two components: formation of oil with dissolved gas and formation of water. The results of numerical modeling are presented, which make it possible to analyze the thermobaric state of the well under the condition of the developing flow in the pipe at the initial stage of stabilization and taking into account the phase transition associated with the formation of paraffin deposits.
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