CAJ | 학술논문

针对复杂断块的断裂地震特征，笔者利用超道构建技术，并与基于小波变换的相干技术集成，再进行相干计算。超道构建技术具有不改变地层的原有信息而保留了地层的倾角特征、降低属性分析的平均效应的优势，试算结果证明，该方法不仅计算速度快，而且抑制噪声能力强。通过与传统相干算法实际应用对比，该算法有效地突出了地层的高连续性特征，提高了识别断层的分辨率，地质特征信息丰富，有利于断层解释，尤其适用于低信噪比地震资料地区。
침대복잡단괴적단렬지진특정，필자이용초도구건기술，병여기우소파변환적상간기술집성，재진행상간계산。초도구건기술구유불개변지층적원유신식이보류료지층적경각특정、강저속성분석적평균효응적우세，시산결과증명，해방법불부계산속도쾌，이차억제조성능력강。통과여전통상간산법실제응용대비，해산법유효지돌출료지층적고련속성특정，제고료식별단층적분변솔，지질특정신식봉부，유리우단층해석，우기괄용우저신조비지진자료지구。
On the basis of the seismic reflection and fault characteristics,this paper deals with supertrace-based coherence-estimation technique for complex fault interpretation and the actualization of this technology.To include more seismic traces in the coherence esti-mation,this paper introduces a supertace technique that constructs a new data cube by rearranging several adjacent seismic traces into a single supertrace.And the cube preserves the dip information contained in the original data cube,and reduces average effect of seismic attributes computation.By combining the supertrace technique with the wavelet transform of seismic coherence technology,the coher-ence value is estimated.The method has very fast calculating speed and can effectively suppress Gaussian noise.The result shows that this method is significant in comparison with the routine method.It can effectively enhance the faults continuity,which is helpful to trace strata and explain faults.It is especially adapted to low SNR seismic data structure interpretation.