By R J Davies, J A Cartwright, S A Stewart, M Lappin and J R Underhill

A 'new age' of subsurface geological mapping that's simply as some distance ranging in scope because the frontier floor geological mapping campaigns of the previous centuries is rising. it's the direct results of the arrival of second, and hence 3D, seismic facts paralleled via advances in seismic acquisition and processing over the last 3 many years. Subsurface mapping is fuelled by means of the commercial force to discover and recuperate hydrocarbons yet necessarily it's going to bring about significant conceptual advances in Earth sciences, throughout a broader diversity of disciplines than these made throughout the second seismic revolution of the Nineteen Seventies. Now that 3D seismic facts assurance has elevated and the expertise is extensively on hand we're poised to mine the complete highbrow and fiscal merits. This booklet illustrates how 3D seismic know-how is getting used to appreciate depositional structures and stratigraphy, structural and igneous geology, in constructing and generating from hydrocarbon reservoirs and likewise what fresh technological advances were made. This technological trip is a fast-moving one the place the rest medical power nonetheless a long way exceeds the scope of the advances made to this point. This ebook explores the breadth of the possibilities that lie forward in addition to the inevitable accompanying demanding situations. additionally on hand: the way forward for Geological Modelling in Hydrocarbon improvement - exact booklet no 309 - ISBN 1862392668 South Caspian to crucial Iran Basins - exact booklet no 312 - ISBN 9781862392717 The Geological Society of LondonFounded in 1807, the Geological Society of London is the oldest geological society on the earth, and one of many biggest publishers within the Earth sciences.The Society publishes a variety of top quality peer-reviewed titles for lecturers and pros operating within the geosciences, and enjoys an enviable overseas recognition for the standard of its work.The many parts during which we put up in include:-Petroleum geology-Tectonics, structural geology and geodynamics-Stratigraphy, sedimentology and paleontology-Volcanology, magmatic reports and geochemistry-Remote sensing-History of geology-Regional geology courses

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POSAMENTIER, H. , MEIZARWIN,WISMAN, P. S. & PLAWMAN, T. 2000. Deep water depositional systems--Ultra-deep Makassar Strait, Indonesia. , SLATT, R. , ROSEN, N. , BOUMA, A. , STYZEN, M. J. & LAWRENCE, D. T. (eds) Deep-Water Reservoirs of the World, Gulf Coast Section Socie~ of Economic Paleontologists and Mineralogists Foundation 20th Annual Research Conference, 806-816. VALE, P. , MITCHUM, R. M. JR. & THOMPSON, S. III 1977. Seismic stratigraphy and global changes of sea level, part 3: relative changes of sea level from coastal onlap.

The Recent deposits of a single canyon and associated basin floor system are used to illustrate the deepwater depositional elements. Debrites at the base are followed by a slope channel complex or basin floor fan then a channel-levee complex. Large depocentres occur where gradients are low and the system switches from confined to unconfined. Erosionally confined channels feed basin floor fans at the toe-of-slope,while channels confined by levees feed fans on the "distal' basin floor. Slope channel complexes and basin floor fans are interpreted to be sand prone.

The analysis of Recent deposits using high quality 3D seismic data enables the development of basin-specific depositional models, thus complementing the use of models based on data from basins with different tectonic settings, sediment type and other external controls. The method increases understanding of deepwater environments per se and the understanding of the basin of economic interest. Analysis and documentation of near surface deepwater deposits using high-quality 3D seismic data has increased over the last year, for example Beaubouef & Friedman (2000) and Demyttenaere et al.

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