eSeis Neo节点关键技术指标检测方法及检测系统开发  

Test Method and Test System Development for Key Seismic Indicators of eSeis Neo Node Instrument

作　　者：潘英杰[1] 杜清波 何永清[1] 接铭丽 刘森 门哲[1] 王建锋 田磊 白志宏 PAN Yingjie;DU Qingbo;HE Yongqing;JIE Mingli;LIU Sen;MEN Zhe;WANG Jianfeng;TIAN Lei;BAI Zhihong(BGP Inc.,CNPC,Hebei Seismic Acquisition Technology Institute,Zhuozhou,Hebei 072750,China)

机构地区：[1]中国石油集团东方地球物理勘探有限责任公司,河北省地震勘探数据采集技术创新中心,河北涿州072750

出　　处：《石油管材与仪器》2024年第6期79-87,共9页Petroleum Tubular Goods & Instruments

摘　　要：节点仪器已成为当前油气地震勘探的主流核心设备,节点设备的信号响应等关键技术指标是节点设备水平和质量的体现,直接关系到所采集的地震数据质量和最终成像效果。由于采用“盲采”方式,节点设备的性能指标检测和质控是保障节点仪器质量和地震资料品质的重要手段。研发了eSeis Neo节点检测系统,该系统采用信号源分离式结构,可支持数千节点同时进行高精度指标检测。对eSeis Neo节点关键技术指标的测试原理、测试内容、测试流程进行了详细说明,全面阐述了eSeis Neo节点检测系统的特点、系统设计方案、软硬件结构和实现方法,对信号源分离式结构下多节点高精度指标测试的优化设计做了深入探讨。目前eSeis Neo节点和该系统已经实现了量产和规模化应用,通过在华北、新疆、青海等多个重点项目对节点的指标检测和质控,被检节点性能稳定可靠,所采集的数据资料品质良好,得到甲方的广泛认可。检测系统相关指标已通过第三方机构认证。Wireless node instrument has been the mainstream core equipment for seismic survey.The key seismic indicators of node equipment reflect the level and quality of node equipment,and are directly related to the quality of seismic data acquired and the final imaging effect.Due to the“blind acquisition mode”of node instrument,performance indicators test and quality control of wireless node equipment are the important measure to guarantee the performance of node equipment and the quality of seismic data.In this paper,eSeis Neo test system with independent signal sources for high-precision seismic indicators test is well designed,which can test thousands of nodes test in parallel.The test principle,test content and test process for key indicators of eSeis Neo nodes are explained in detail.The characteristics,design scheme,software and hardware structures and implementation methods of the node test system are described.Furthermore,an in-depth discussion about the optimization design for multi-node high-precision seismic indicators test with independent signal sources is presented.Currently the eSeis Neo nodes and the test system have achieved mass production and large-scale applications.The performance of the tested nodes is stable and reliable,the seismic data sampled is of good quality,and favorable comments are received from Party A.The indicators of the test system have been certified by the third-party institution.

关 键 词：eSeis Neo节点地震仪器 地震仪器测试 地震信号响应指标 Delta-Sigma ADC DAC THD 

分 类 号：P631.43[天文地球—地质矿产勘探]