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首页> 外文期刊>Environmental Science & Technology >Spatial and Temporal Characteristics of Historical Oil and Gas Wells in Pennsylvania: Implications for New Shale Gas Resources
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Spatial and Temporal Characteristics of Historical Oil and Gas Wells in Pennsylvania: Implications for New Shale Gas Resources

机译：宾夕法尼亚州历史油气井的时空特征：对新页岩气资源的启示

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摘要

Recent large-scale development of oil and gas from low-permeability unconventional formations (e.g., shales, tight sands, and coal seams) has raised concern about potential environmental impacts. If left improperly sealed, legacy oil and gas wells colocated with that new development represent a potential pathway for unwanted migration of fluids (brine, drilling and stimulation fluids, oil, and gas). Uncertainty in the number, location, and abandonment state of legacy wells hinders environmental assessment of exploration and production activity. The objective of this study is to apply publicly available information on Pennsylvania oil and gas wells to better understand their potential to serve as pathways for unwanted fluid migration. This study presents a synthesis of historical reports and digital well records to provide insights into spatial and temporal trends in oil and gas development. Areas with a higher density of wells abandoned prior to the mid-20th century, when more modern well-sealing requirements took effect in Pennsylvania, and areas where conventional oil and gas production penetrated to or through intervals that may be affected by new Marcellus shale development are identified. This information may help to address questions of environmental risk related to new extraction activities.
机译：来自低渗透率非常规地层（例如页岩，致密砂和煤层）的油气的最新大规模开发引起了人们对潜在的环境影响的担忧。如果密封不当，与该新开发项目共存的旧油气井代表了流体（盐水，钻井液和增产液，石油和天然气）意外迁移的潜在途径。遗留井的数量，位置和废弃状态的不确定性阻碍了勘探和生产活动的环境评估。这项研究的目的是应用有关宾夕法尼亚州石油和天然气井的公开信息，以更好地了解其作为有害流体运移途径的潜力。这项研究提供了历史报告和数字井记录的综合，以提供对油气开发时空趋势的见解。在20世纪中叶之前，宾夕法尼亚州开始实行更先进的密封技术，废弃的井密度更高的地区，以及常规石油和天然气生产渗透到或穿过可能受新Marcellus页岩发展影响的区间的地区被识别。这些信息可能有助于解决与新开采活动有关的环境风险问题。

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  • 来源
    《Environmental Science & Technology》 |2015年第20期|12015-12023|共9页
  • 作者

    Robert M. Dilmore; James I. Sams Ⅲ; Deborah Glosser; Kristin M. Carter; Daniel J. Bain;

  • 作者单位

    U.S. Department of Energy National Energy Technology Laboratory, 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, Pennsylvania 15236-0940, United States;

    U.S. Department of Energy National Energy Technology Laboratory, 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, Pennsylvania 15236-0940, United States;

    U.S. Department of Energy National Energy Technology Laboratory, 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, Pennsylvania 15236-0940, United States,Oak Ridge Institute for Science and Education, MC-100-44, P.O. Box 117, Oak Ridge, Tennessee 37831-0117, United States;

    Pennsylvania Department of Conservation and Natural Resources Bureau of Topographic & Geologic Survey, Economic Geology Division, 400 Waterfront Drive, Pittsburgh, Pennsylvania 15222-4745, United States;

    University of Pittsburgh, Department of Geology and Planetary Science, 200 SRCC, 4107 O'Hara Street, Pittsburgh, Pennsylvania 15260, United States;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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