基于区带关键参数统一的分块与连片处理技术

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中图分类号:P631 文献标识码:A DOI:10.13810/j. cnki. issn.1000-7210.2050040

Abstract:The“stamp-like”acquisition method incomplex areas results in fragmented three-dimensional seis mic data of a zone,with differences in energy,frequency,phase,and time between datasets. This poses chal lenges to regional seismic interpretation and comprehensive studies. Conventional pre-stack joint procesing helps address boundary splicing problems between 3Dblocksbutthe significant disparities inthe qualityof origi nal data across diferent blocks prevent full utilization of high-quality data and ultimately reduce imaging precision. In response to the greatly different seismic data in complex areas,this paper proposes a technical scheme of block and joint seismic data processing based on key parameters of the zone. This method preserves the advantages of native bin processing for individual blocks while possessing the advantages of joint data for facilitating comprehensive studies.Meanwhile, it resolves the problems in conventional joint processing of a large number of existing 3Ddata,suchas“dificult blending of single-block processing"and“insufficient fineness in joint pro cessing". Case studies from the complex mountainous structural belt in Kuche and the Fuman East area of Tarim Basin demonstrate the efectiveness of this technical method. This method constructs joint data volumes by adopting building blocks,which supports the trap wellocation and basic geologicalresearch and provides useful references for the industrial sector.

eywords: block processing,3D joint processing,dynamic bending,key parameters of zon李亚林,段文胜,雷刚林,等,基于区带关键参数统一的分块与连片处理技术[J].石油地球物理勘探,2025,60(4):886-900.

LI Yalin,DUAN Wensheng,LEI Ganglin,et al. Block and joint seismic data processing technology based on unified keyparameters of zones[J].OilGeophysical Prospecting,2025,60(4):886-900.

0 引言

在复杂地震勘探区,特别是在山地复杂构造区,由于油气勘探的复杂性和风险性、地质认识的渐进性、需求的阶段性、地震技术的迭代升级、地震工程的高成本等因素,通常为满足油气勘探需要而部署局部构造区的三维地震工区,这种"贴邮票"式、分期实施的地震勘探使每个油气勘探开发区都积累了大量不同时期、不同观测系统、品质各异的三维地震资料。(剩余12277字)

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