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Application of MODFLOW for Oil Reservoir Simulation During the Deepwater Horizon Crisis

机译:MODFLOW在深水地平线危机中油藏模拟中的应用

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摘要

When the Macondo well was shut in on July 15, 2010, the shut-in pressure recovered to a level that indicated the possibility of oil leakage out of the well casing into the surrounding formation. Such a leak could initiate a hydraulic fracture that might eventually breach the seafloor, resulting in renewed and uncontrolled oil flow into the Gulf of Mexico. To help evaluate whether or not to reopen the well, a MODFLOW model was constructed within 24 h after shut in to analyze the shut-in pressure. The model showed that the shut-in pressure can be explained by a reasonable scenario in which the well did not leak after shut in. The rapid response provided a scientific analysis for the decision to keep the well shut, thus ending the oil spill resulting from the Deepwater Horizon blow out.
机译:当Macondo井于2010年7月15日关闭时,关闭压力恢复到一定水平,表明油可能从井套管泄漏到周围地层中。这样的泄漏可能会引发水力压裂,最终可能破坏海底,导致重新进入不受控制的石油流入墨西哥湾。为了帮助评估是否要重新打开油井,在关井后24小时内构建了MODFLOW模型以分析关井压力。该模型表明,可以通过合理的情景来解释关井压力,在这种情况下,关井后井不会泄漏。快速响应为保持井关井的决策提供了科学分析,从而结束了因漏油而导致的漏油。深水地平线爆炸。

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  • 来源
    《Ground water》 |2011年第3期|p.319-323|共5页
  • 作者

    Paul A. Hsieh;

  • 作者单位

    U.S. Geological Survey, 345 Middlefield Road, Mail Stop 496,Menlo Park CA 94025;

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  • 原文格式 PDF
  • 正文语种 eng
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