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Dataset of plugging and abandonment status from exploration wells drilled within the Troll gas and oil field in the Norwegian North Sea

机译:从挪威北海的巨圆井内钻井井的勘探井的堵漏和放弃状态数据集

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摘要

More than 750 wildcat wells have been drilled in the Norwegian North Sea since 1966. Some of these wells could pose a risk for the environment, climate, and future CO2 and hydrogen storage projects by being potential leakage pathways for subsurface gases (mainly CH4 and stored CO2 and hydrogen). To ensure well integrity, these wells were secured by building cement plugs at crucial positions in the well path before abandoning the well. However, first 2004 the NORSOK d-010 standard defined strict regulation for plugging and abandonment (P&A) of gas and oil wells along the Norwegian continental margin. Here we report data relevant for the quality of a P&A work done on old exploration wells (1979 to 2003) from the Troll gas and oil field in the Norwegian North Sea. The data was extracted from public available well completion reports and the webpage of the Norwegian Petroleum Directorate. The dataset was analysed regarding their availability, plausibility and evaluated towards the present P&A regulations for offshore Norway. Based on twelve single criteria a final P&A score for 31 exploration wells was established, which may be applied to other abandoned wells in the Norwegian North Sea for further analyses. The resulting scores vary from -1 to 23.67 whereby lowest scores indicate wells where monitoring would be recommended. A P&A work evaluation is especially relevant in the Troll area as Norwegian large-scale CO2 storage is planned close to this location.
机译:自1966年以来,在挪威北海钻了超过750个野猫井。其中一些井可以通过潜在的地下气体漏出途径(主要是CH4并储存,对环境,气候和未来二氧化碳和储氢项目构成风险二氧化碳和氢气)。为了确保良好的完整性,通过在放弃井之前在井道的关键位置构建水泥插头来保护这些孔。然而,首先2004年Norsok D-010标准定义了沿挪威大陆边缘的燃气和油井的堵漏和遗弃(P&A)的严格调节。在这里,我们向挪威北海的巨型勘探井(1979年至2003年)(1979年至2003年)的质量报告了与对旧勘探井(1979年至2003年)的质量相关的数据。这些数据是从公共可用的井完成报告和挪威石油公司的网页提取。分析数据集关于他们的可用性,合理性和评估对挪威海上的目前的P&A法规进行了评估。根据十二个单一标准,建立了31种勘探井的最终P&A分数,这可能适用于挪威北海的其他废弃井以进一步分析。由此产生的分数从-1到23.67变化,从而最低分数表示建议监测的孔。在挪威大型二氧化碳存储靠近此位置,P&A工作评估尤其相关。

著录项

  • 期刊名称 Data in Brief
  • 作者

    Benjamin Emmel; Bastien Dupuy;

  • 作者单位
  • 年(卷),期 2021(-1),-1
  • 年度 2021
  • 页码 -1
  • 总页数 9
  • 原文格式 PDF
  • 正文语种
  • 中图分类
  • 关键词

    机译:堵漏和遗弃(P&A);北海;地理信息系统;完整;CO;

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