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首页> 外文会议>International Conference on Greenhouse Gas Control Technologies >SEISMIC CHARACTERIZATION AND ASSESSMENT OF FEASIBILITY OF 4-D SEISMIC MONITORING FOR CO_2 INJECTION IN THE OHIO RIVER VALLEY REGION
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SEISMIC CHARACTERIZATION AND ASSESSMENT OF FEASIBILITY OF 4-D SEISMIC MONITORING FOR CO_2 INJECTION IN THE OHIO RIVER VALLEY REGION

机译：俄亥俄州河谷地区CO_2注射4-D地震监测可行性的地震特征及评价

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A 2-dimensional seismic survey along two lines covering approximately 18-km was conducted in the vicinity of the Mountaineer Power Plant as part of the site characterization phase of the Ohio River Valley CO_2 Storage project sponsored by the U.S. DOE's National Energy Technology Laboratory, American Electric Power (AEP), BP, The Ohio Coal Development Office, Schlumberger, Battelle, and the Pacific Northwest National Laboratory. The primary objective of the survey was to determine the geologic aspects of the deep sedimentary layers in the study area with respect to their continuity, presence or absence of major faults that could provide leakage pathways for potential CO_2 injection in the future. In addition, the seismic and wireline geophysical data also were used to evaluate the feasibility of 4-D seismic surveys for monitoring CO_2 movement in the subsurface. The geologic assessment showed that the sedimentary layers in the vicinity of the power plant are essentially flat and continuous and devoid of major leakage pathways. The modeling study incorporating rock properties, seismic data, and the affects of CO_2 injection showed that at this site the change in seismic signals will not be sufficient to differentiate CO_2 rich areas from those without CO_2 and therefore, 4-D seismic may not be feasible without further optimization. The study also revealed the challenges associated with conducting seismic surveys in the vicinity of industrial facilities where the plant noise may interfere with the seismic signal acquisition and processing.
机译：沿着由美国Doe全国能源技术实验室（美国Doe）国家能源技术实验室赞助的俄亥俄州河谷CO_2存储项目的场地表征阶段的一部分，进行了大约18公里的两条线的二维地震调查。电力（AEP），BP，俄亥俄州煤炭开发办公室，Schlumberger，Battelle和太平洋西北国家实验室。调查的主要目标是确定研究区域中深度沉积层的地质方面，以及在未来可能提供潜在的CO_2注射漏电途径的主要断层的情况。此外，地震和有线地球物理数据也用于评估4-D地震测量在地下监测CO_2运动的可行性。地质评估表明，发电厂附近的沉积层基本上是平坦的，连续的并且没有主要的泄漏途径。掺入岩石性质，地震数据和CO_2注射的影响的造型研究表明，在该站点在没有CO_2的情况下，地震信号的变化将不足以区分CO_2富区域，因此，4-D地震可能不可行没有进一步的优化。该研究还揭示了与在工业设施附近进行地震调查相关的挑战，其中植物噪声可能会干扰地震信号采集和加工。

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