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CALCULATION OF HEAT LOSS CONSIDERING THE VARIETY OF WELLBORE PRESSURE DURING STEAM INJECTION

Xia Wang

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Abstract

The variation of wellbore pressure can lead to the vary of temperature and saturated steam's parameter during thermal production by the stream injection. Considering the variation of wellbore pressure, a comprehensive mathematical model for wellbore heat transmission was established and calculated in this paper. The results show that increasing utilization factor of steam quality and decrease wellbore heat loss should increase steam injection velocity and the wellhead steam quality and decrease wellhead steam pressure. It is instructive for steam injection for crude oil thermal recovery and analysing steam injection efficiency.

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What this paper is about

The variation of wellbore pressure can lead to the vary of temperature and saturated steam's parameter during thermal production by the stream injection. Considering the variation of wellbore pressure, a comprehensive mathematical model for wellbore heat transmission was established and calculated in this paper. The results show that increasing utilization factor of steam quality and decrease wellbore heat loss should increase steam injection velocity and the wellhead steam quality and decrease wellhead steam pressure. It is instructive for steam injection for crude oil thermal recovery and analysing steam injection efficiency.

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Available abstract

The variation of wellbore pressure can lead to the vary of temperature and saturated steam's parameter during thermal production by the stream injection. Considering the variation of wellbore pressure, a comprehensive mathematical model for wellbore heat transmission was established and calculated in this paper. The results show that increasing utilization factor of steam quality and decrease wellbore heat loss should increase steam injection velocity and the wellhead steam quality and decrease wellhead steam pressure. It is instructive for steam injection for crude oil thermal recovery and analysing steam injection efficiency.

Key concepts: Wellhead, Wellbore, Petroleum engineering, Steam injection, Vapor quality, Heat recovery steam generator, Environmental science, Heat transfer

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CALCULATION OF HEAT LOSS CONSIDERING THE VARIETY OF WELLBORE PRESSURE DURING STEAM INJECTION — Research Paper | ScholarLens