自沉降型高强度套管堵漏剂的性能与应用
DOI:
作者:
作者单位:

中海油田服务股份有限公司

作者简介:

通讯作者:

中图分类号:

TE357? ???? DOI

基金项目:


Performance and application of self-settling high strength casing plugging agent
Author:
Affiliation:

China Oilfield Service Company Limited

Fund Project:

  • 摘要
  • |
  • 图/表
  • |
  • 访问统计
  • |
  • 参考文献
  • |
  • 相似文献
  • |
  • 引证文献
  • |
  • 资源附件
  • |
  • 文章评论
    摘要:

    井筒完整性治理是保障油气井安全生产的关键问题之一,目前国内尚缺乏自主研发的具备国外产品同等封堵能力的封堵剂材料。鉴于此,本文通过对主剂和固化剂体系的优选,研发了一种液体高强度封堵剂,该材料兼具低初始粘度(90 mPa·s)和高封堵抗压强度,具备良好的沉降固化性能。通过扫描电镜和红外光谱分析了堵剂的固化和优良封堵能力的机理。开展了封堵模拟测试,证实了堵剂具备优异的承压能力(>160 MPa/m),并能够在20 m高度下沉降固化,具有极强的封堵能力。最后将该体系在南海东部A油田某水平井进行了现场应用,成功完成漏点封堵作业。本研究为井筒完整性治理提供了新型纯液体封堵体系,产品具备良好的应用潜力。

    Abstract:

    Wellbore integrity management is one of the key issues to ensure the safe production of oil and gas Wells. At present, there is still a lack of self-developed plugging agent materials with the same plugging ability as foreign products. In view of this, through the optimization of the main agent and curing agent system, a liquid high-strength plugging agent was developed in this paper. The material has low initial viscosity (90 mPa·s) and high plugging compressive strength, and has good settling and curing performance. The mechanism of solidification and good plugging ability of the plugging agent was analyzed by scanning electron microscopy and infrared spectroscopy. The plugging simulation test was carried out, which confirmed that the plugging agent has excellent pressure capacity (>160 MPa/m), and can settle and cure at a height of 20 m, which has a strong plugging ability. Finally, the system was applied in A horizontal well in south east china sea, and the leak point plugging operation was successfully completed. This study provides a new pure liquid sealing system for wellbore integrity management, and the product has good application potential.

    参考文献
    相似文献
    引证文献
引用本文
文章指标
  • 点击次数:
  • 下载次数:
  • HTML阅读次数:
  • 引用次数:
历史
  • 收稿日期: 2024-02-21
  • 最后修改日期: 2024-03-29
  • 录用日期: 2024-04-18
  • 在线发布日期:
  • 出版日期:
点击这里给我发消息

点击这里给我发消息