Application of Velocity Analysis Picking for 2D Seismic Data Processing in West An-Najaf Are

Authors

  • Kamal K. Ali Department of Geology, College of Science, University of Baghdad, Baghdad, Iraq
  • Ahmed Wanas Department of Geology, College of Science, University of Baghdad, Baghdad, Iraq
  • Mohanad E. Mahdi Processing Department, Oil Exploration Company, Ministry of Oil Baghdad, Iraq

DOI:

https://doi.org/10.24996/ijs.2021.62.2.21

Keywords:

Seismic Processing, West An-Najaf, Surface Consistent Amplitude Compensation (SCAC), Velocity Analysis Picking, Seismic reflection method

Abstract

     In the current study, 2D seismic data in west An-Najaf (WN-36 line) were received after many steps of processing by Oil Exploration Company in 2018. Surface Consistent Amplitude Compensation (SCAC) was applied on the seismic data. The processing sequence in our study started by sorting data in a common mid-point (CMP) gather, in order to apply the velocity analysis using Interactive Velocity Analysis Application (INVA) with Omega system. Semblance of velocity was prepared to preform normal move-out (NMO) vs. Time. Accurate root mean square velocity (VRMS) was selected, which was controlled by flatness of the primary events. The resultant seismic velocity section for the study area shows that the velocity analysis became smother and provided an accurate seismic section.

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Published

2021-02-27

Issue

Section

Geology

How to Cite

Application of Velocity Analysis Picking for 2D Seismic Data Processing in West An-Najaf Are. (2021). Iraqi Journal of Science, 62(2), 555-564. https://doi.org/10.24996/ijs.2021.62.2.21

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