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- Volume 19, Issue 5, 2001
First Break - Volume 19, Issue 5, 2001
Volume 19, Issue 5, 2001
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EAGE: the historical perspective
EAGE 1951-2001: Reflections on the First 50 Years is the title of the book being published to commemorate the 50th Anniversary of the Association.
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Robson of Veritas: a true story of seismic business
By A. McBarnetHe's owned, invested in and run all sorts of businesses during his career. Which makes you wonder why the seismic sector, with its turbulent ups and downs and heavy carnage among service companies, has consistently captured the attention of Dave Robson, chairman and CEO of Veritas DGC, the company which has emerged strongly from the downturn of the last two years. Andrew McBarnet spoke to him about the making of Veritas and his lifetime in business.
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How to make a knowledge management system work as a business proposition
Authors D. Lamb, S. Nicholas and C. ReddishMuch theory has been written about knowledge management but there has been limited discussion about its practical benefits and how to implement it and deliver business benefits. David Lamb, Steve Nicholas and Chris Reddish explain how PGS Data Processing has been using knowlegde management theory to develop its own system.
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Annual Review of Companies
We feature some of the main companies active in the geoscience and engineering area of the E&P industry as a handy reference and indicator of the range of equipment and services available. This annual guide is based on information supplied by the companies who responded to the listings requests.
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Sub-basalt imaging in the Faeroe-Shetland Basin with large-offset data
Authors M.M. Fliedner and R.S. WhiteOn two profiles from the Faeroe-Shetland Basin, where Tertiary basalt flows cover an older sedimentary section, we demonstrate that the seismic image of a sub-basalt target can be much improved by using the velocity and reflectivity information contained in the wide-angle wavefield. While conventional short-offset processing provides a detailed image down to the top of the basalt flows, pre-stack depth migration of selected portions of the wide-angle wavefield allows a composite image to be built which reveals the base of the basalt flow and the underlying sedimentary and basement structure. The velocity field derived from wide-angle traveltimes also assists in identifying the geological origin of the imaged structures.
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Sub-salt imaging using 3D pre-stack depth migration in the UK Southern North Sea - a case history
Authors R. Malaguti, M. Allen, A. Litvin and C. GregoryIn the UK Southern North Sea the presence of salt structures can cause considerable distortion of the sub-salt seismic image. This distortion is due to strong vertical and lateral velocity variations, which lead to the refraction of seismic waves. Pre-stack depth imaging is considered the ultimate tool for accurate delineation of sub-salt reflectors in this geological environment. To achieve the best seismic image an optimal interval velocity/ depth model has to be built. This in itself presents a substantial challenge when working in areas with complicated geological structures. In this paper, an iterative process of velocity model building is presented, which closely integrates seismic data with geological information, to derive a subsurface velocity distribution that enables production of the best seismic image.
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Volumes & issues
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Volume 42 (2024)
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Volume 41 (2023)
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Volume 40 (2022)
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Volume 39 (2021)
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Volume 38 (2020)
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Volume 37 (2019)
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Volume 36 (2018)
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Volume 35 (2017)
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Volume 34 (2016)
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Volume 33 (2015)
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Volume 32 (2014)
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Volume 31 (2013)
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Volume 30 (2012)
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Volume 29 (2011)
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Volume 28 (2010)
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Volume 27 (2009)
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Volume 26 (2008)
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Volume 25 (2007)
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Volume 24 (2006)
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Volume 23 (2005)
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Volume 22 (2004)
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Volume 21 (2003)
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Volume 20 (2002)
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Volume 19 (2001)
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Volume 18 (2000)
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Volume 17 (1999)
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Volume 16 (1998)
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Volume 15 (1997)
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Volume 14 (1996)
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Volume 13 (1995)
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Volume 12 (1994)
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Volume 11 (1993)
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Volume 10 (1992)
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Volume 9 (1991)
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Volume 8 (1990)
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Volume 7 (1989)
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Volume 6 (1988)
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Volume 5 (1987)
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Volume 4 (1986)
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Volume 3 (1985)
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Volume 2 (1984)
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Volume 1 (1983)