车载可控震源在煤田地震勘探中的应用  

Application of Vehicle-Mounted Vibrator Source in Coalfield Seismic Exploration

作　　者：祁全鹏 宋玉龙 Qi Quanpeng;Song Yulong(Shandong Hongrun Survey and Design Co.,Ltd,Jinan 250001,China;Geophysical Survey Team of Shandong Coalfield Geology Bureau,Jinan 250104,China)

机构地区：[1]山东鸿润勘测设计有限公司,济南250001 [2]山东省煤田地质局物探测量队,济南250104

出　　处：《黑龙江科学》2023年第14期126-129,133,共5页Heilongjiang Science

摘　　要：车载可控震源操作简单,具有稳定的震动信号输出,可靠安全,在煤田三维地震勘探中应用广泛。为了达到精准探测煤田的目的,创新优化震源参数组合,展开震源车震动出力、扫描频率、震动时长及三维观测系统的适应性试验,改进震源振幅、相位及时差处理方式,探讨车载可控震源在煤田地震勘探中的应用效果及准确性。结果表明,在一定的施工条件下,车载可控震源可以有效替代炸药震源完成煤田地震勘探任务,勘探效果及实用性可满足煤田地震勘探要求。The vehicle-mounted vibrator has the advantages of simple operation,stable vibration signal output,reliability and safety,so it is widely used in coal field 3D seismic exploration.In order to achieve the purpose of accurate exploration of coal fields,the source parameter selection combination is innovated and optimized,and experiments are carried out on the adaptability of the source vehicle vibration output,scanning frequency,vibration duration and three-dimensional observation system;the amplitude,phase and time difference processing method of the source are improved;and the specific application effect and accuracy of the vehicle-mounted vibrator in the coal field seismic exploration method are analyzed in detail.The research results show that under certain construction conditions,vehicle-mounted vibrator can effectively replace explosive source to complete the task of coal seismic exploration,and its exploration effect and practicability can meet the requirements of coal seismic exploration.

关 键 词：可控震源 地震方法 煤田勘探 

分 类 号：P319[天文地球—固体地球物理学]