Abstract

The value of this research work involves the search for newer and best options of salt precipitation prediction in wells for fields in Eastern Siberia using the example of the Cenral Block of the Talakan oil and gas condensate field. The development of this block is complicated by the presence of salt impurities in a pore volume and highly mineralized formation water represented as calcium chloride brine while the source of gypsum deposits is injected water containing excess sulfate ion values. Prediction and control for scale during oil production is essential for practical tasks since the effectiveness of actions for elimination of salt sediments, prevention and protection of oilfield equipment depends on the prediction and timely detection of salt deposits in wells, on pumping equipment, in oil gathering and processing systems. If there is a problem, it is necessary to monitor it and prevent negative events leading to unproductive costs and losses in oil production, especially in the conditions of market relations, when the development of oil fields should be cost-effective.

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