3D Seismic Technology: Application to the Exploration of by R J Davies, J A Cartwright, S A Stewart, M Lappin and J R

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 a long way ranging in scope because the frontier floor geological mapping campaigns of the prior centuries is rising. it's the direct results of the appearance of 2nd, and in this case 3D, seismic facts paralleled by means of advances in seismic acquisition and processing during the last 3 many years. Subsurface mapping is fuelled through the commercial force to discover and get well hydrocarbons yet unavoidably it's going to result in significant conceptual advances in Earth sciences, throughout a broader variety of disciplines than these made in the course of the second seismic revolution of the Nineteen Seventies. Now that 3D seismic information insurance has elevated and the expertise is greatly to be had we're poised to mine the entire highbrow and financial advantages.

This e-book illustrates how 3D seismic expertise is getting used to appreciate depositional platforms 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 remainder medical strength nonetheless a long way exceeds the scope of the advances made so far. This ebook explores the breadth of the possibilities that lie forward in addition to the inevitable accompanying demanding situations.

Also available:

the way forward for Geological Modelling in Hydrocarbon improvement - distinctive book no 309 - ISBN 1862392668
South Caspian to vital Iran Basins - exact book no 312 - ISBN 9781862392717

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Founded in 1807, the Geological Society of London is the oldest geological society on the planet, and one of many greatest publishers within the Earth sciences.

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Additional info for 3D Seismic Technology: Application to the Exploration of Sedimentary Basins (Geological Society Memoir) (No. 29)

Sample text

Of interest is another category of sediment waves observed at the mouths of canyons (Fig. 1). These bedforms have crests arranged perpendicularly to the axis of the canyon with a wavelength of approximately 1200 m and amplitudes of up to 50m. Two sediment wave fields have been identified associated with canyons that have been active recently (activity is identified by erosion of the recent drape by channels). Like sediment waves that occur on the outer bends of channels, they are asymmetric and appear to migrate in an up-current direction (Fig.

2). These deposits are interpreted as debris flow deposits and are interpreted not to be sand prone. The debrites in the Kutei Basin are analogous to the mass transport complexes of the Plio-Pleistocene Mississippi Fan (Weimer 1990). Where observed, on surface displays of dip attribute and amplitude, the bases of the debrites are grooved or striated. The striated bases have been interpreted by Posamentier (2001) as scours formed by blocks of semi-lithified material entrained at the base of the flow.

The major limitation of this near-seafloor dataset is the lack of calibration. Lithology is therefore largely inferred from internal and external seismic geometries and through comparison with analogous calibrated deposits in the prospective Mio-Pliocene section (Figure 2; Sherwood et al. 2001). Deepwater geomorphology and process Features visible on the present day seabed illustrate the complexity of the slope and basin floor. A dip attribute map of the seabed derived from 3D seismic data shows a variety of features (Fig.

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