Abstract
Summary Elastic full waveform inversion (FWI) has the potential to provide a high-resolution velocity model by inverting all wavelengths of the subsurface structures. However, due to the associated computational costs and non-linear coupling between different elastic parameters, it is only applied for low frequencies, especially in a full elastic 3D fashion. Mostly, high-resolution elastic parameter models are only required within the limited area of the earth subsurface. Therefore, high-resolution elastic-FWI for full bandwidth can also be restricted to a target area. With this concept in mind, we present reservoir-oriented joint migration inversion (JMI-res) using both a numerical and a field data example. It first reconstructs the localized elastic data at the reservoir depth (local impulse responses) and then use this as input for elastic-FWI for the area of interest. In addition, the redatuming step of JMI-res correctly account for the overburden-related multiple scattering. Thus, the localized elastic data is of high-resolution and free of overburden artefacts, while avoiding a complete elastic FWI for the whole medium.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
