大港油田低信噪比VSP资料的处理和应用

PROCESSING AND APPLICATION OF POOR S/N RATIO VSP DATA FROM DAGANG OILFIELD

大港油田物探公司

Geopluysical Prospecting Corporation, Oilfield

VSP原始资料的信噪比对处理效果的影响很大。由于在野外采集时受激发、接收条件的限制,有些已采集的VSP原始记录信噪比可能很低。为了处理和应用这类VSP资料,我们研究了一套处理低信噪比VSP资料的流程,取得了较好的效果。处理成果用于地震资料的解释,提高了构造解释的精度和储层研究的水平。

The S/N ratio of raw VSP data matters very much to the result to be produced from processing. Some of the S/N ratios of raw VSP data acquired may turn out very poor due to field shooting and receiving limitations. For tackling suchlike VSP data,a series of processing sequences tailored to resolve this specific problem have been developed by the authors. And an appreciable result is achieved. By applying the processed result to data interpretation,the veracity of structure elucidation and art of reservoir research are,to great erextent,enhanced.