OBN地震勘探导航定位质量控制

The quality control of navigation and positioning in OBN seismic exploration

OBN地震勘探近年已成为一种重要的作业模式,且仍在持续发展,而实时导航定位是其中基础和重要的作业环节。文中首先介绍了OBN勘探导航定位的过程及精度要求;根据OBN地震勘探作业的具体流程,分别从节点船、定位船、震源船三方面详述了作业现场实时导航定位质控;然后从导航定位数据处理质控和导航数据(文件)管理等方面,全面总结了OBN地震勘探导航定位的质量控制。为提高OBN勘探作业中实时导航定位操作的规范性、确保导航数据的可靠性,进而更好地保障OBN采集数据的质量,提供了参考。

In recent years,OBN exploration has become an important operation mode and keeps developing.Realtime navigation and positioning is a basic and important part in OBN exploration.This paper firstly summarizes the process and accuracy requirement of real-time navigation and positioning in OBN exploration,then according to the specific process of OBN exploration,describes the quality control of real-time navigation and positioning in details from node vessel,positioning vessel and source vessel,and finally summarizes the quality control in data processing and management.The result provides a reference to improving the standardization of real-time navigation and positioning in OBN exploration,ensuring the reliability of navigation data and guaranteeing the quality of OBN data.