Extracting New Value from Legacy OBC Data by a Holistic Use of Innovative Depth Imaging Technologies

Mulisheva, L.; Zdraveva, Olga; Lyons, Kevin P.; Gardner, J.

doi:10.3997/2214-4609.20141236

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Cited by 2 publications

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“…We revised the anisotropic parameters using well information, upgraded the existing model from VTI to TTI, and updated it in two iterations of wide-azimuth, anisotropic, multiscale, and common-image-point tomography (Woodward et al, 2008). To ensure the preservation and utilization of the OBN data's wide-azimuth information, we used OVT binning with overlapping scheme for near offsets (Mulisheva et al, 2014).…”

Section: Resultsmentioning

confidence: 99%

Deepwater OBN - Exploiting data-processing possibilities

Kristiansen

Ogunsakin

Esotu

et al. 2014

SEG Technical Program Expanded Abstracts 2014

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In this paper we are describing the processing flow for deepwater sparse node OBN processing. Some of the processing steps which are unique to OBN processing are discussed in details. Some of the steps in the processing handle variations which are not repeatable between surveys and taking out the variations are important not only for imaging of single surveys, but also for limiting the 4D noise in OBN results. The different methods for QC-ing OBN processing results are discussed as well as the effect of the datum difference on how to QC the data. The result of the full processing of the OBN data is compared with a fast-track processing of a downgoing only dataset.

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Section: Resultsmentioning

confidence: 99%