三维地震采集的主要施工参数设计

DETERMINATION OF THE MAJOR PARAMETERS IN 3-D SEISMIC DATA ACQUISITION

辽河油田勘探开发研究院

Institude of Exploration and Development, Liaohe Oilfield )

三维地震采集参数的正确选取是确保三维勘探效果的重要前提。本文结合某探区的实际地质情况,讨论了分辨率(包括垂直分辨率和水平分辨率)、最大炮检距、定向采集间隔、组合基距及工区镶边宽度等主要施工参数的设计方法,给出了探区内各参数的选择结果。

To select the proper acquisition parameters in 3-D seismic survey is a major premise for ensuring the quality of the final results. According to the actual situation of a prospect area,techniques for the major parameter determination,such as the resolution (vertical resolution and horizontal resolution ), the maximum offset, the interval for directional sampling,the superposed width on the border area,etc.,were worked out. Parameters for 3-D seismic acquisition in the prospect area were given.