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可控震源振动状态监控技术研究与软件实现

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可控震源宽频高效地震采集技术的推广应用大幅提升了资料品质,已成为解决复杂地质难题的勘探利器.与此同时,高效高密度的采集方式对野外地震采集质量监控提出了新的挑战,尤其是通讯条件不佳、震源数量较多、激发速度快的情况下,以往的单炮质量实时监控和评价以及基于地震仪器的可控震源振动状态监控方法已经无法满足当前地震采集质量监控的需求,无法及时全面地发现采集过程中质量不达标的情况.为此,研究了基于可控震源平板电脑的震源振动状态实时监控技术并进行了软件实现,将实时监控环节前移到震源车上,在可控震源扫描完成后及时进行可控震源状态的监控与评价,不受通讯条件及激发速度的影响;配套开发了可控震源振动状态监控软件模块,实现了野外平板电脑质控信息的统计分析与综合评价;最后,将软件应用到准噶尔盆地高效采集项目中,实现了可控震源振动状态100%的监控,取得了较好效果,确保可控震源高效地震采集质量.
Research and Software Implementation of Vibrator Status Monitoring Technology for Vibroseis
The popularization and application of broadband and efficient vibroseis acquisition technology has greatly improved the quality of seismic data,and has become a powerful ex-ploration tool for solving complex geological problems.At the same time,efficient and high-density acquisition methods pose new challenges to the quality monitoring of field seismic ac-quisition,especially when the communication conditions are poor,the number of seismic sources is large,and the excitation speed is fast.The previous real-time monitoring,single shot quality evaluation and controllable seismic source vibration status monitoring methods based on seismic instruments can no longer meet the current needs of seismic acquisition quality monitoring,and unable to meet quality standards during the collection process when detected in a timely and comprehensive manner.To this end,a vibrator tablet PC-based real-time monitoring software for vibration status is proposed to realize the forward of real-time monitoring.After the vibrator sweeping sweep is completed,the status is monitored and e-valuated immediately,which is not affected by communication conditions and excitation speed.The 100% effective application of the software to the high-efficiency acquisition pro-ject in Junggar Basin ensures the high-efficiency seismic acquisition quality of vibroseis.

vibroseisefficient acquisitiontablet PCvibration statequality monitoring

张剑

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中石化石油工程地球物理有限公司科技研发中心,江苏南京 211112

可控震源 高效采集 平板电脑 振动状态 质量监控

中国石化重点科技攻关项目中石化地球物理有限公司

P22165SGC-2023-09

2024

工程地球物理学报
中国地质大学(武汉),长江大学

工程地球物理学报

CSTPCD
影响因子:0.994
ISSN:1672-7940
年,卷(期):2024.21(4)
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