记笔记

Automatic Detection Technology for Shotpoint Deviation via Data Statistics on First Arrival

Geng Chun¹Chen Jiangli¹Hu Feng¹Zhao Hu²Han Jiwei³

1. Southwest Geophysical Prospecting Branch, BGP Inc., China National Petroleum Corporation 2. School of Geoscience and Technology, Southwest Petroleum University 3. Liaohe Branch of BGP,CNPC

摘要：Shotpoint deviation, also known as the shot-receiver relationship error, occurs when an incorrect shotpoint-excited location confuses the receiving relationship in petroleum seismic exploration, which negatively affects the quality of single shots and subsequent processing. Therefore, it is particularly crucial to identify shotpoint deviation at the first acquisition spot and locate the correct excited points in real time. Traditional shotpoint deviation detection is time-consuming and it is difficult to ensure high accuracy. To better control field work quality, it is necessary to develop a fast and accurate automatic detection technology for shotpoint deviation. To this end, a technology to automatically detect shotpoint deviation and conduct secondary locating was proposed based on the big-data statistics of first arrivals. This technology can automatically detect the shotpoint deviation and simultaneously idenfiy the correct excited locations quickly and accurately. As a result, it provides an effective technical means for achieving efficient and accurate single shot recording and quality monitoring.

会议名称：

SPG/SEG南京2020年国际地球物理会议

会议时间：

2020-09-14

会议地点：

中国江苏南京