The invention provides a marine seismic exploration method and device and a marine seismic exploration ship, and the method comprises the steps: calculating the node position of the ship according to the global positioning equipment data of the ship, and obtaining the node position of a seismic source array through the combination with the relative positioning equipment data; calculating to obtain the position and speed of the main navigation point based on dynamic weight distribution according to the theoretical offset relationship between the node position of the seismic source array and the main navigation point; according to the position and the speed of the main navigation point, predicting the time of arriving at the target point, and responding to the predicted time, using the current excitation stake number to calculate and obtain a corresponding excitation source number; and sending the excitation source number and the control command to an air gun control system so as to carry out excitation in a corresponding array, and recording a corresponding excitation position and excitation time. According to the invention, the technical blank of single-ship multi-source sequential excitation is filled, the working efficiency can be effectively improved especially for an efficient mixed collection working mode, and a new working thought is provided for efficient collection of marine seismic exploration.
本发明提供了一种海洋地震勘探的方法、装置及海洋地震勘探船舶,方法包括:根据船舶的全球定位设备数据分别计算该船舶节点位置,并结合相对定位设备数据得到震源阵列节点位置;根据该震源阵列节点位置与主导航点的理论偏移关系、基于动态权重分配计算得到主导航点的位置及速度;根据该主导航点的位置及速度预测到达目标点的时间,并响应于接近预测的时间使用当前激发桩号计算得到对应的激发源号;向气枪控制系统发送该激发源号及控制命令以在对应的阵列进行激发,并记录对应的激发位置及激发时间。根据本发明填补了单船多源顺序激发的技术空白,尤其对“高效混采”作业模式可以有效的提升作业效率,对海洋地震勘探高效采集提供了新的作业思路。
Marine seismic exploration method and device and marine geological exploration ship
一种海洋地震勘探的方法、装置及海洋地质勘探船舶
2023-07-11
Patent
Elektronische Ressource
Chinesisch
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