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Gel treatment field application survey for water shut off in production wells.

机译：凝胶处理现场应用调查，用于关闭生产井中的水。

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摘要

Enhanced oil recovery (EOR) screening criteria are considered as a guideline for candidate evaluation and determination. Not many screening criteria for gel treatment had been published. Some published gel treatment application surveys for water shut off only include limited number of oil fields and locations.;The current work aims to summarize the worldwide gel treatment applications for water shut off in production wells by creating and analyzing a dataset from a variety of sources. This study started from collecting and cleaning the gel treatment application data. All the data were from SPE field publications from 1990 to 2012 and from Petroleum Technology Transfer Council database. Only production wells gel treatment application projects were included in this study. Failed projects were detected and deleted by the proposed method. The original dataset included 56 fields and 415 wells. Upon deleting the projects with insufficient information, 33 fields and 160 wells remained. After improving the dataset quality, both graphical and statistical methods were utilized to analyze the data. Histograms and box plots were used to show the distribution of each parameter and present the range of the data. Gel type selection, injection method, pre-flush method, and post flush method were analyzed by bar charts to show the gel treatment usage conditions. For analyzing the treatment results, cross plots were constructed to compare oil wells production before and after treatments. Oil wells candidate selection criteria were discussed. To improve the success rate for future gel applications, the reasons for past failure field cases were summarized, and the treatment limitations were listed. In addition, economic analysis based on cost and payback time was also discussed.
机译：增强采油量（EOR）筛选标准被视为候选人评估和确定的准则。尚未公布用于凝胶治疗的许多筛选标准。一些已发布的关于水封堵的凝胶处理应用调查仅包括有限的油田和地点。当前工作旨在通过创建和分析来自各种来源的数据集来总结生产井中水封堵的全球凝胶处理应用。这项研究从收集和清洁凝胶处理应用程序数据开始。所有数据均来自1990年至2012年的SPE现场出版物以及石油技术转让委员会的数据库。本研究仅包括生产井凝胶处理应用项目。通过建议的方法检测到失败的项目并将其删除。原始数据集包括56个油田和415口井。删除信息不足的项目后，剩余33口油田和160口井。在提高数据集质量之后，图形和统计方法都被用来分析数据。直方图和箱形图用于显示每个参数的分布并显示数据范围。通过条形图分析了凝胶类型的选择，注射方法，预冲洗方法和后冲洗方法，以显示凝胶处理的使用条件。为了分析处理结果，构建了交叉图以比较处理前后的油井产量。讨论了油井候选者的选择标准。为了提高未来凝胶应用的成功率，总结了过去失败现场案例的原因，并列出了治疗局限性。此外，还讨论了基于成本和投资回收期的经济分析。

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  • 作者

    Liao, Jingyi.;

  • 作者单位

    Missouri University of Science and Technology.;

  • 授予单位 Missouri University of Science and Technology.;
  • 学科 Petroleum engineering.
  • 学位 M.E.
  • 年度 2014
  • 页码 95 p.
  • 总页数 95
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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