等温降圧実験の統合解析による新アスファルテン析出圧力評価手法の 有用性・汎用性の確立：

DOI Web Site Web Site 参考文献17件
  • 宮川 喜洋
    国際石油開発帝石(株)　技術本部　技術研究所　貯留層評価グループ
  • 渡辺 拓己
    国際石油開発帝石(株)　技術本部　技術研究所　貯留層評価グループ
  • 米林 英治
    国際石油開発帝石(株)　技術本部　技術研究所　貯留層評価グループ

書誌事項

タイトル別名
  • A Study to Improve Versatility and Usefulness in The New Evaluation Method of Asphaltene Onset Pressure （AOP） based on Isothermal De-pressurizing Test Data:
  • 等温降圧実験の統合解析による新アスファルテン析出圧力評価手法の有用性・汎用性の確立 : アスファルテン高含有油およびCO₂混合時への適用拡張
  • トウオンコウアツ ジッケン ノ トウゴウ カイセキ ニ ヨル シン アスファルテン セキシュツ アツリョク ヒョウカ シュホウ ノ ユウヨウセイ ・ ハンヨウセイ ノ カクリツ : アスファルテン コウガンユウユ オヨビ CO ₂ コンゴウジ エ ノ テキヨウ カクチョウ
  • AOP Measurement using CO<sub>2</sub> Mixed Oil with High Asphaltene Content
  • アスファルテン高含有油およびCO<sub>2 </sub>混合時への適用拡張

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説明

<p>The recent asphaltene onset pressure （AOP） detecting method has widely applied Laser-light Scattering Technique （LST） that shows a sudden drop of laser-light transparent due to disturbance by asphaltene precipitated solid particles during isothermal depressurizing test. However, the dependence on one measuring source for deciding AOP might be vulnerable for robust analysis. To improve the reliability of AOP detection, therefore a comprehensive method was established for the interpretation of AOP through simultaneous measuring experiments using synthetic live oil in a certain oil field. For this method, AOPs were simultaneously measured for identical subsamples with various technologies: laser-light scattering, high pressure microscopic observation of asphaltene particle count and size, and viscosity in the previous report by Miyagawa et al.（ 2016）. This method can provide significant advantage such as decrease of experimental error, maximizing effective utilization of costly collected live oil samples, and back up for mistakes in other measuring methods. However, the previous oil samples to be tested were collected from the unique source of domestic oil ?eld. Therefore, the established interpreting method was concerned to fluid-characteristicsdepended with low multiplicity of use. This paper demonstrated that the established method could work with versatility using different source oil sample. Furthermore, for more expanded application such as CO2 EOR investigation, the method was used for CO2-Oil mixtures and successfully interpreted AOP. Consequently, the interpretation approach was revealed to have universal adaptability.</p>

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