2015
DOI: 10.17122/ogbus-2015-5-200-214
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Investigation of the Asphaltene Inhibitor Effect On reduction of the Scaling Intensity in Formation and Wells

Abstract: ВведениеИз-за различного географического положения нефтяных месторождений «НК «Роснефть» геолого-физическое строение разрабатываемых залежей, а также свойства добываемых флюидов сильно отличаются, что предопределяет различие в подходах к решению самых задач нефтедобычи, в том числе и управлению осложнениями. На месторождениях «НК Роснефть» наиболее остро стоит задача снижения рисков солеотложения, оптимизации применяемых технологий, выбор приоритетов в использовании новейших технологий предупреждения солеотлож… Show more

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Cited by 1 publication
(3 citation statements)
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“…The effects of PH (Ca 2+ concentration = 240 mg L −1 , water temperature = 80°C, and time = 10 h) and Ca 2+ concentration (PH = 7, water temperature = 80°C, and time = 10 h) on the CaCO 3 scale inhibition efficiency were obtained in Figure 7a, respectively. It can be seen that the scale inhibition efficiency decreases slowly with the increase of medium PH, and the scale inhibition rate remains stable when the PH is in the range of 6–9, which is because the solubility of calcite is higher in acidic conditions than in alkaline conditions 25 . When PH = 10, the scale inhibition rate decreased to 78.18%.…”
Section: Resultsmentioning
confidence: 90%
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“…The effects of PH (Ca 2+ concentration = 240 mg L −1 , water temperature = 80°C, and time = 10 h) and Ca 2+ concentration (PH = 7, water temperature = 80°C, and time = 10 h) on the CaCO 3 scale inhibition efficiency were obtained in Figure 7a, respectively. It can be seen that the scale inhibition efficiency decreases slowly with the increase of medium PH, and the scale inhibition rate remains stable when the PH is in the range of 6–9, which is because the solubility of calcite is higher in acidic conditions than in alkaline conditions 25 . When PH = 10, the scale inhibition rate decreased to 78.18%.…”
Section: Resultsmentioning
confidence: 90%
“…It can be seen that the scale inhibition efficiency decreases slowly with the increase of medium PH, and the scale inhibition rate remains stable when the PH is in the range of 6-9, which is because the solubility of calcite is higher in acidic conditions than in alkaline conditions. 25 When PH = 10, the scale inhibition rate decreased to 78.18%. This may be due to two reasons: first, with the enhancement of PH, the hydrolysis of HCO 3…”
Section: Effect Of Water Conditions On Scale Inhibition Performancementioning
confidence: 97%
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