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BIRPS - DRUM Survey

VSA Author: Estelle Mortimer
Regions: 4
Scenes: 0
Interpretations: 0
Date Created: 2008-02-05

DRUM (Deep Reflections from the Upper Mantle) profile was undertaken as part of the BIRPS surveys in 1984 offshore north of Scotland. ACQUISITION COMPANY: GECO PROCESSING: airgun source, record length of 30 seconds with shot point interval of 100m. A standard 3 km streamer was used with 60 groups spaced 50 m giving an interval of 25 m between CMP and a fold of 15. The source, at 8546 cubic inches was the largest used by BIRPS, and the streamer depth of 17 m was deeper than usual to improve low frequency response.



Regional Projects related to this Survey

BIRPS - DRUM profile clean Regional Project

VSA Author: Estelle Mortimer
Scenes: 0
Interpretations: 2
Date Created: 2008-02-05

The DRUM (Deep Reflections from the Upper Mantle) 2D seismic reflection profile was undertaken as part of the BIRPS surveys in 1984 offshore north of Scotland. Its aim was to trace to greater depth the ‘Flannan’ reflector, and intra-mantle reflector observed on the MOIST BIRPS survey. In 1984, the DRUM profile was the deepest penetrating seismic reflection profile in the world. ...

DRUM filtered Regional Project

VSA Author: Taija Torvela
Scenes: 0
Interpretations: 0
Date Created: 2010-11-12

The DRUM seismic data was filtered with Petrel 2009.1 in order to remove noise and to emphasise the large-scale structures in the crust. A structural smoothing was first performed, with a large horizontal filter size (5.0) and a small vertical filter size (0.5) to bring out the subhorizontal features. A variance was then calculated, with a horizontal range of 3 and a vertical range of...

DRUM filtered 2 Regional Project

VSA Author: Taija Torvela
Scenes: 0
Interpretations: 0
Date Created: 2016-05-02

The original seismic is filtered with 8x8 (trace x sample) dip-steered median filter of Opendtect with a maximum seismic dip of c. 40 degrees, this reduces 1D noise and also removes some steep coherent noise while enhancing signal continuity. This filtered seismic is then overlain with the cosine of phase attribute of the dip-steered data, in order to enhance the signal geometries fur...

DRUM filtered 3 Regional Project

VSA Author: Taija Torvela
Scenes: 0
Interpretations: 0
Date Created: 2016-05-02

The original seismic is first filtered with 8x8 (trace x sample) dip-steered median filter of Opendtect with a maximum seismic dip of c. 40 degrees, this reduces 1D noise and removes some steep coherent noise too while enhancing signal continuity. The dip-steered seismic is then overlain with the energy attribute to bring out the strong reflections whilst muting some of the signal bet...



Details:

  • Survey Administrator:
    • Rob Butler
  • VSA Author:
    • Estelle Mortimer

Geographic Context

Physical Geography
Marginal Seas, Shelves, Shelf-Slopes

Political Geography
United Kingdom of Great Britain & Northern Ireland

Geophysics

Survey Information
Marine, Multichannel 2D, >10s