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在浅层地震数据采集中,当地震测线遇到障碍时,需要数据采集人员改变观测系统设计,以保证反射同相轴能连续追踪对比。目前已有的观测系统设计软件主要是针对石油、煤田等勘探领域地震采集的特点设计,在实际操作上与浅层地震勘探结合度不高,浅层地震勘探过障碍观测系统变观设计大多仍然靠手工绘制,而手工绘制繁琐、效率低,不方便编辑、修改。为此,作者利用VC++编程语言开发出一个二维地震过障碍观测系统设计软件,利用该软件可以进行浅层地震过障碍变观设计。对该软件的特点和功能进行了介绍,并给出了过障碍变观设计实例。在实际生产中应用该软件进行过障碍变观设计,取得了较好的效果,表明该软件能够辅助数据采集人员快速有效地进行二维地震过障碍变观设计,有效地辅助野外数据采集。
In shallow seismic data acquisition, when the seismic line encounters obstacles, the data acquisition personnel are required to change the design of the observation system to ensure that the reflection events can continuously track the contrast. At present, the design software of the observing system mainly aims at the characteristics of seismic acquisition in the fields of oil and coalfield exploration. In practical operation, the design of the system is not high enough for shallow seismic exploration. Most of the observation systems for shallow seismic exploration obstructions are still Draw by hand, and hand-drawn cumbersome, inefficient, inconvenient to edit, modify. Therefore, the author uses VC ++ programming language to develop a 2D seismic fault observation system design software, which can be used to design shallow seismic obstacles. The characteristics and functions of the software are introduced, and examples of obstacles to change design are given. The practical application of this software has been designed to obstruct the obstacle and get better results. It shows that the software can assist the data acquisition personnel to quickly and effectively design two-dimensional seismic obstacle avoidance and effectively assist the field data collection.