Sources, mechanism and prediction method of scale formation in oil production in Vietnam
Abstract
This paper presents the typical sources and mechanism of scale formation in oil production in Vietnam. A workflow of prediction method to find scale formation during oil production was presented. The main sources of scale problem in oil production are incompatible mixing between different water sources and the change of pressure/temperature along the production system. A case study using the prediction method was also introduced in the article. The decrease of productivity index of the observed well can be caused by the dominant build-up of scale at downhole. Based on the mechanism of scale formation, a suitable scale control strategy was given.
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