发明授权
US07941273B2 System and method for using time-distance characteristics in acquisition, processing, and imaging of T-CSEM data
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采集,处理和成像T-CSEM数据时间距离特性的系统和方法
- 专利标题: System and method for using time-distance characteristics in acquisition, processing, and imaging of T-CSEM data
- 专利标题(中): 采集,处理和成像T-CSEM数据时间距离特性的系统和方法
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申请号: US12388116申请日: 2009-02-18
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公开(公告)号: US07941273B2公开(公告)日: 2011-05-10
- 发明人: Leon Thomsen , Norman C. Allegar , Joseph A. Dellinger , Petr Jilek , Daniel Johnson , Ganyuan Xia
- 申请人: Leon Thomsen , Norman C. Allegar , Joseph A. Dellinger , Petr Jilek , Daniel Johnson , Ganyuan Xia
- 申请人地址: US TX Houston
- 专利权人: BP Corporation North America
- 当前专利权人: BP Corporation North America
- 当前专利权人地址: US TX Houston
- 代理商 Albert K. Shung
- 主分类号: G01V3/00
- IPC分类号: G01V3/00 ; G01V1/00
摘要:
There is provided herein a system and method of acquiring, processing, and imaging transient Controlled Source ElectroMagnetic (t-CSEM) data in ways that are similar to those used for seismic data. In particular, the instant invention exploits the time-distance characteristics of t-CSEM data to permit the design and execution of t-CSEM surveys for optimal subsequent processing and imaging. The instant invention illustrates how to correct t-CSEM data traces for attenuation and dispersion, so that their characteristics are more like those of seismic data and can be processed using algorithms familiar to the seismic processor. The resulting t-CSEM images, particularly if combined with corresponding seismic images, may be used to infer the location of hydrocarbon reservoirs.
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