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首页> 外文学位 >Improving wellbore cement performance through the application of nano-materials for oil and gas integrity.
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Improving wellbore cement performance through the application of nano-materials for oil and gas integrity.

机译：通过应用纳米材料来提高油气井完整性，改善井眼水泥的性能。

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摘要

It is the ultimate goal that the application of nano-materials in wellbore cement enhance not only the integrity of the cement, but also the public view of the petroleum industry. Wellbore integrity should be a paramount concern of all petroleum companies due to the potential severity of the consequences if integrity is not maintained. Ecosystems, animal and plant life, and even human life are at great risk if wellbore integrity fails. It is this fact that the motivation for this thesis is based upon. Nano silica is the nano-particle under investigation for this thesis. Furthermore, wellbore integrity will be improved upon by the addition of an elastomer particle. A new blend specifically designed for use in wellbore cement will be formulated. The mixture of nano silica and an elastomer particle will be used in combination to increase the cements resilience to failure. This thesis is an experimental investigation rather that purely hypothetical.;There have been proven results of the incorporation of nano silica into cement and concrete with the construction industry as the intended use. Furthermore, crumb rubber has also been tested and provided beneficial results once more for use in the construction industry. However, the incorporation of both these particles, in the concentrations chosen in class G cement for wellbore integrity has not been proposed.;There will be a series of tests performed by Halliburton with our oversight to properly test and analyze all key properties to determine if the proposed blend will be beneficial as a wellbore integrity means. The tests will include quantitative and API tests as well as non-API and qualitative tests. The ultimate defining parameter to draw conclusions from is the compressive strength test. However, an increase in strength along with a decrease in migration pathway formation potential is the primary goal of the proposed blend.;This research found that with the incorporation of 2% nano silica and 2% crumb rubber into class G cement, all critical properties were enhanced. These properties include an increase in compressive strength of 3.5% after 48 hours, 0% free fluid where the base case had .52%, a 35% decrease in thickening time (to 100 BC), a decrease in fluid loss by 50%, and a decrease in transition time (to 500 psi) of 15%. The combination of 2% nano silica and 2% crumb rubber has thus been confirmed to provide beneficial qualities to class G cement for wellbore integrity.
机译：纳米材料在井筒水泥中的应用不仅是提高水泥的完整性，而且是提高石油工业的公众视野是最终目标。井筒完整性应是所有石油公司最关心的问题，因为如果不保持完整性，后果可能会很严重。如果井筒完整性受损，生态系统，动植物生命乃至人类生命都将面临巨大风险。正是这个事实是本论文的动机所在。纳米二氧化硅是本文正在研究的纳米颗粒。此外，通过添加弹性体颗粒将改善井眼完整性。将配制专门设计用于井眼水泥的新混合物。纳米二氧化硅和弹性体颗粒的混合物将结合使用，以提高水泥的破坏韧性。本论文仅是假设性的实验研究。业已证明将纳米二氧化硅掺入水泥和混凝土中，并以建筑业为预期用途。此外，还对面包屑橡胶进行了测试，并再次提供了有益的结果，可用于建筑业。然而，尚未提出将两种颗粒以G类水泥中的浓度掺入以保证井眼完整性的建议。; Halliburton将进行一系列测试，在我们的监督下进行适当测试和分析所有关键性能，以确定是否提议的共混物作为井筒完整性手段将是有益的。这些测试将包括定量和API测试以及非API和定性测试。得出结论的最终定义参数是抗压强度测试。然而，强度的提高以及迁移路径形成潜能的降低是提出的共混物的主要目标。这项研究发现，将2％纳米二氧化硅和2％碎屑橡胶掺入G类水泥中，所有关键性能被增强。这些特性包括48小时后抗压强度提高3.5％，基本情况为0.52％时自由流体为0％，增稠时间（至100 BC）减少35％，流体损失减少50％，过渡时间（降至500 psi）减少了15％。因此，已证实2％纳米二氧化硅和2％碎屑橡胶的组合可为G级水泥提供有利的井眼完整性。

著录项

  • 作者

    Kleiner, Benjamin J.;

  • 作者单位

    West Virginia University.;

  • 授予单位 West Virginia University.;
  • 学科 Petroleum engineering.;Civil engineering.
  • 学位 M.S.
  • 年度 2015
  • 页码 116 p.
  • 总页数 116
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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