Search Results - "Verschuur, D. J"

Iterative reflectivity-constrained velocity estimation for seismic imaging by Masaya, Shogo, Verschuur, D J (Eric)

“…SUMMARY This paper proposes a reflectivity constraint for velocity estimation to optimally solve the inverse problem for active seismic imaging. This…”
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Full‐wavefield migration: using surface and internal multiples in imaging by Davydenko, M., Verschuur, D.J.

“…ABSTRACT Multiple scattering is usually ignored in migration algorithms, although it is a genuine part of the physical reflection response. When properly…”
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From removing to using multiples in closed-loop imaging by Verschuur, D. J, Berkhout, A. J

“…In seismic exploration, multiple reflections traditionally have been labeled as unwanted signal, and a huge effort has been made to remove them. Despite great…”
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Adaptive subtraction of multiples using the L1-norm by Guitton, A., Verschuur, D. J.

“…ABSTRACT A strategy for multiple removal consists of estimating a model of the multiples and then adaptively subtracting this model from the data by estimating…”
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Teaching a Hands-On Course during Corona Lockdown: From Problems to Opportunities by Hut, R. W, Pols, C. F. J, Verschuur, D. J

“…Teaching a hands- and minds-on course, in which feedback is essential in order to learn, is difficult, especially in times of COVID-19 where student…”
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Enriched seismic imaging by using multiple scattering by Berkhout, A. J, Verschuur, D. J

“…The migration of full wavefields (primaries+multiples) by using the concept of secondary sources at each subsurface grid point is summarized. These secondary…”
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The utilization of the double focal transformation for sparse data representation and data reconstruction by Kutscha, H., Verschuur, D.J.

“…ABSTRACT In many cases, seismic measurements are coarsely sampled in at least one dimension. This leads to aliasing artefacts and therefore to problems in the…”
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3D surface-wave estimation and separation using a closed-loop approach by Ishiyama, T., Blacquière, G., Verschuur, D.J., Mulder, W.

“…ABSTRACT Surface waves in seismic data are often dominant in a land or shallow‐water environment. Separating them from primaries is of great importance either…”
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Full-wavefield migration of vertical seismic profiling data: using all multiples to extend the illumination area by Soni, A.K., Verschuur, D.J.

“…ABSTRACT Vertical seismic profiling data can provide a high‐resolution reservoir image because the receivers are located close to the reservoir and, hence, the…”
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From surface seismic data to reservoir elastic parameters using a full-wavefield redatuming approach by Garg, Aayush, Verschuur, D J

“…Traditionally, reservoir elastic parameters inversion suffers from the overburden multiple scattering and transmission imprint in the local input data used for…”
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Using surface multiples to estimate primaries by sparse inversion from blended data by Van Groenestijn, G.J.A., Verschuur, D.J.

“…ABSTRACT For data acquired with conventional acquisition techniques, surface multiples are usually considered as noise events that obscure the primaries…”
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A scientific framework for active and passive seismic imaging, with applications to blended data and micro‐earthquake responses by Berkhout, A. J. (Guus), Verschuur, D. J. (Eric)

“…SUMMARY A unifying scientific framework is proposed that connects the different worlds of active and passive seismic methods. The involved seismic sources may…”
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Joint migration inversion; simultaneous determination of velocity fields and depth images using all orders of scattering by Verschuur, D. J, Staal, X. R, Berkhout, A. J

“…The future in seismic exploration and seismic monitoring is the inclusion of all orders of scattering in the imaging and inversion algorithms. Using the full…”
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Seismic inversion of soil damping and stiffness using multichannel analysis of surface wave measurements in the marine environment by Armstrong, M A, Ravasio, M, Versteijlen, W G, Verschuur, D J, Metrikine, A V, van Dalen, K N

“…Determination of soil material damping is known to be difficult and uncertain, especially in the offshore environment. Using an advanced inversion methodology…”
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Target‐level waveform inversion: a prospective application of the convolution‐type representation for the acoustic wavefield by da Costa, Carlos A.N., Costa, Jessé C., Medeiros, Walter E., Verschuur, D.J., Soni, Alok K.

“…ABSTRACT Nowadays, full‐waveform inversion, based on fitting the measured surface data with modelled data, has become the preferred approach to recover…”
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Illumination properties and imaging promises of blended, multiple-scattering seismic data: a tutorial by Berkhout, A.J., Verschuur, D.J., Blacquière, G.

“…ABSTRACT In traditional seismic surveys the firing time between shots is such that the shot records do not interfere in time. In the concept of blended…”
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Estimating primaries by sparse inversion, a generalized approach by Ypma, F.H.C., Verschuur, D.J.

“…ABSTRACT For an accurate interpretation of seismic data, multiple‐free data are of great value. Removing surface multiples and interbed multiples proves to be…”
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3D sparse-data Kirchhoff redatuming by Tegtmeier, S., Gisolf, A., Verschuur, D.J.

“…ABSTRACT Wave‐equation redatuming can be a very efficient method of overcoming the overburden imprint on the target area. Owing to the growing amount of 3D…”
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Depth migration of shot records in heterogeneous, transversely isotropic media using optimum explicit operators by Zhang, Jianfeng, Verschuur, D.J., Wapenaar, C.P.A.

“…A space–frequency domain 2D depth‐migration scheme is generalized for imaging in the presence of anisotropy. The anisotropy model used is that of a…”
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Adaptive subtraction of multiples using the L 1 ‐norm by Guitton, A., Verschuur, D. J.

“…A strategy for multiple removal consists of estimating a model of the multiples and then adaptively subtracting this model from the data by estimating shaping…”
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