Improved prospect evaluation and drilling results in the Dutch North Sea with diffraction imaging

David Bréthaut; Bob Hartstra; Makky Jaya; Tijmen Jan Moser; Guus van Noort; Michael Pelissier

doi:10.3997/1365-2397.2018003

ISSN: 0263-5046
E-ISSN: 1365-2397

Improved prospect evaluation and drilling results in the Dutch North Sea with diffraction imaging
Authors David Bréthaut¹, Bob Hartstra¹, Makky Jaya¹, Tijmen Jan Moser², Guus van Noort¹, Michael Pelissier³
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Affiliations: ¹ SGS Subsurface Consultancy, , The Netherlands ² Moser Geophysical Services, , The Netherlands ³ Integrated Geoscience Solutions, , United Kingdom
Source: First Break, Volume 36, Issue 9, Sep 2018, p. 33 - 39
DOI: https://doi.org/10.3997/1365-2397.2018003
- Published online: 01 Sep 2018

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Abstract

We present an integrated interpretation case study of pre-stack depth migration and diffraction imaging in two Dutch North Sea gas fields. Diffraction imaging, as the detector of discontinuities at very high resolution and unlimited by illumination constraints, is the ideal technique for mapping gas accumulations at fault cuts (DI as DHI). The diffraction image, being a migrated physical wavefield, has amplitude, frequency, phase, polarity and tuning properties which can all be used to enhance its interpretation value. We use the diffraction imaging response of elementary models to build up an edge diffraction calculus and thus model and predict responses from more complex structures. This confirms the details seen in the diffraction images and well data from the studied gas fields. Diffraction imaging allows for a significant refinement of the interpretation resulting in more accurate definition of drilling targets and lower uncertainty in resource volumes.

EAGE Publications BV

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2018-09-01

2024-04-26

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References

Bréthaut, D., Hartstra, B., Jaya, M. and Moser, T.J.
2017. Diffraction imaging and well planning – a case study in the Dutch North Sea.79th EAGE Conference and Exhibition, Extended Abstracts.
[Google Scholar]
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Marfurt, K.J. and Alves, T.M.
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Moser, T.J. and Howard, C.B.
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Moser, T.J., Pelissier, M.A., Ball, A., Sturzu, I. and Popovici, A.M.
2017. Diffraction modelling and imaging of fluid escape features, South China Sea.79th EAGE Conference & Exhibition, Extended Abstracts.
[Google Scholar]
Pelissier, M., Moser, T.J., Yu, C., Lang, J., Sturzu, I. and Popovici, A.M.
, 2017. Interpretation Value of Diffractions and Sub-Specular Reflections — Applications on the Zhao Dong Field.First Break, 35 (2), 61–68.
[Google Scholar]
Pelissier, M.A., Moser, T.J., Jing, L., de Groot, P., Sirazhiev, A., Sturzu, I. and Popovici, A.M.
2015. Diffraction Imaging of the Zhao Dong Field, Bohai Bay, China.77th EAGE Conference and Exhibition, Extended Abstracts.
[Google Scholar]
Raknes, E.B., Moser, T.J., Arntsen, B., Johansen, S. and Sangesland, S.
2017. Surface Seismic While Drilling: Imaging of well bores in seismic context.79th EAGE Conference and Exhibition, Extended Abstracts.
[Google Scholar]
Sturzu, I., Popovici, A.M., Tanushev, N., Musat, I., Pelissier, M.A. and Moser, T.J.
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Sturzu, I., Popovici, A.M., Pelissier, M.A., Wolak, J.M. and Moser, T.J.
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[Google Scholar]
Veenhof, R., Moser, T.J., Sturzu, I., Dowell, D., Popovici, A.M. and Nieuw-land, F.
2014. Diffraction Imaging in the North Sea, Case Study Over the Dutch Q16 Fields.76th EAGE Conference and Exhibition, Extended Abstracts.
[Google Scholar]

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Improved prospect evaluation and drilling results in the Dutch North Sea with diffraction imaging

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Improved prospect evaluation and drilling results in the Dutch North Sea with diffraction imaging

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