E-Dragon IISS/ST - Depth 2

For more details call:713 689 1000

KEY FEATURES

Multiclient Services

www.multiclient.westerngeco.com

FULL VOLUME PRESTACK DEPTH MIGRATION

nFinal WEM and Kirchhoff VolumesnReservoir Products

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Ship Shoal

Eugene IslandSouth Timbalier

Ewing Bank

Grand Isle

Ship Shoal South Add.

Eugene IslandSouth Add. South Timbalier

South Add.

South Pelto

Grand IsleSouth Add.

Phase IIPhase I

E-Dragon II

Final WEM migration

Copyright © 2009 Schlumberger. All rights reserved. 11/05/09.

Acquisition Parameters

Recording System Digital bottom cable

Source Strength 100 bar-m (3-128 Hz)

Line Orientation NS/EW

Receiver Interval 50 m Shot Interval 50 m Offset Range 6000 m Nominal Fold 60 Cell Size 25 m x 25 m Record Length 11 s

Time Processing Flow Navigation merge Co-sensor summation

Designature Noise attenuation

Surface consistent deconvolution Surface consistent amplitude compensation Noise attenuation

Depth Processing Flow Maximum energy travel times Turning wave imaging 3D tomography - 3 iterations High resolution sediment flood Salt horizon interpretation Subsalt tomography

High resolution KPSDM & WEM migrations Input/output 60/30 fold Final cell size 25 x 25 m Final depth/sampling 15,000 m/5m Processing completed February 2008