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首页> 外文期刊>Seismological research letters >Managing Basin-Scale Fluid Budgets to Reduce Injection-Induced Seismicity from the Recent US Shale Oil Revolution
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Managing Basin-Scale Fluid Budgets to Reduce Injection-Induced Seismicity from the Recent US Shale Oil Revolution

机译：管理盆地规模的流体预算，以减少近期美国页岩石油革命的注射诱导的地震性

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摘要

With the U.S. unconventional oil revolution, adverse impacts from subsurface disposal of coproduced water, such as induced seismicity, have markedly increased, particularly in Oklahoma. Here, we adopt a new, more holistic analysis by linking produced water (PW) volumes, disposal, and seismicity in all major U.S. unconventional oil plays (Bakken, Eagle Ford, and Permian plays, and Oklahoma) and provide guidance for long-term management. Results show that monthly PW injection volumes doubled across the plays since 2009. We show that the shift in PW disposal to nonproducing geologic zones related to low-permeability unconventional reservoirs is a fundamental driver of induced seismicity. We statistically associate seismicity in Oklahoma to (1) PW injection rates, (2) cumulative PW volumes, and (3) proximity to basement with updated data through 2017. The major difference between intensive seismicity in Oklahoma versus low seismicity levels in the Bakken, Eagle Ford, and Permian Basin plays is attributed to proximity to basement with deep injection near basement in Oklahoma relative to shallower injection distant from basement in other plays. Directives to mitigate Oklahoma seismicity are consistent with our findings: reducing (1) PW injection rates and (2) regional injection volumes by 40% relative to the 2014 total in wells near the basement, which resulted in a 70% reduction in the number of M = 3.0 earthquakes in 2017 relative to the 2015 peak seismicity. Understanding linkages between PW management and seismicity allows us to develop a portfolio of strategies to reduce future adverse impacts of PW management, including reuse of PW for hydraulic fracturing in the oil and gas sector.
机译：与美国非传统的石油革命，副产品的地下处理的不利影响，如诱导的地震性，显着增加，特别是在俄克拉荷马州。在这里，我们通过将所有主要的美国非传统石油戏剧（Bakken，Eagle Ford和Permian Play和俄克拉荷马州）联系起来的生产水（PW）卷，处置和地震性来采用新的，更全面的分析，并提供长期提供指导管理。结果表明，自2009年以来，每月PW注射卷随着播放而翻了一番。我们表明，PW处理转向与低渗透性非传统水库有关的无扩展地质区是诱导地震性的基本司机。我们在俄克拉荷马州的地震统计到（1）PW注射率，（2）累积PW卷，（3）通过2017年通过更新数据接近地下室。俄克拉荷马州的密集地震性与Bakken的低地震性水平有关的主要区别， Eagle Ford和Permian Basin Plays归功于地下室与俄克拉荷马州的地下室接近地下室，相对于较浅的注射率在其他比赛中的地下室。减轻俄克拉荷马州地震性的指令与我们的研究结果一致：相对于地下室附近的井中的井中的2014年井中的总量降低（1）PW注射率和（2）区域注射率，导致数量减少了70％ M＆GT; = 3.0 2017年地震相对于2015年的峰值地震性。了解PW管理与地震之间的联系使我们能够制定策略组合，以降低PW管理的未来不利影响，包括石油和天然气部门液压压裂的PW重用。

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  • 来源
    《Seismological research letters》 |2019年第1期|共12页
  • 作者

    Scanlon Bridget R.; Weingarten Matthew B.; Murray Kyle E.; Reedy Robert C.;

  • 作者单位

    Univ Texas Austin Jackson Sch Geosci Bur Econ Geol Pickle Res Campus Bldg 130 10100 Burnet Rd Austin TX 78758 USA;

    San Diego State Univ Dept Geol Sci 5500 Campanile Dr San Diego CA 92182 USA;

    Univ Oklahoma Oklahoma Geol Survey 100 E Boyd St Suite N131 Norman OK 73019 USA;

    Univ Texas Austin Jackson Sch Geosci Bur Econ Geol Pickle Res Campus Bldg 130 10100 Burnet Rd Austin TX 78758 USA;

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  • 正文语种 eng
  • 中图分类 地震学;
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