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砖墙式三维观测系统是一种较为特殊的观测系统 ,与常规的规则束状观测系统相比 ,它具有使炮检距、方位角等分布更加合理的特点。这种观测系统在国内尚未得到应用和推广 ,而在国外则得到较广泛的应用。本文就砖墙式三维观测系统的特点进行了详细分析 ,并结合在委内瑞拉Caracloes三维工区的实际应用情况进行了总结 ,实际获得的资料信噪比高、层次清晰、同相轴连续性好。此项技术在今后的地震勘探中有指导作用和应用价值。
Brick-wall three-dimensional observation system is a rather special observation system, compared with the conventional regular beam observation system, it has the offset, azimuth and other distribution more reasonable characteristics. Such observation system has not been applied and promoted domestically, but has been widely applied abroad. In this paper, the characteristics of the brick-wall three-dimensional observation system are analyzed in detail, and combined with the actual application in the Caracloes three-dimensional work area in Venezuela. The actual data obtained have high signal-to-noise ratio, clear gradation and good continuity of the events. This technology in future seismic exploration has a guiding role and application value.