New seismic technique is improving hydrocarbon recovery
- Western Geophysical, Houston, TX (United States)
Because the subsurface images produced from 3D seismic data provide more clear and accurate information than those from 2D data, the number of 3D surveys being conducted over producing fields to improve hydrocarbon recovery is increasing. In the offshore arena, however, existing fields are covered with production platforms and drilling rigs that are dangerous obstacles for marine seismic vessels towing long streamers. A new marine seismic technique, ocean-bottom cable (OBC) acquisition with proprietary dual-sensor processing, has been proven highly successful in congested fields. The resolution of the OBC data surpasses that achievable with today`s towed streamer technology. Because of this improved resolution, OBC surveys are also being recorded in areas without obstacles, provided the water depths are within the method`s operational range of 140 m. Western Geophysical recently completed the acquisition phase of its 705-block specification survey offshore Louisiana using OBC technology. An extensive shooting program has been recently initiated in the North Sea.
- OSTI ID:
- 390141
- Journal Information:
- JPT, Journal of Petroleum Technology, Journal Name: JPT, Journal of Petroleum Technology Journal Issue: 7 Vol. 48; ISSN 0149-2136; ISSN JPTJAM
- Country of Publication:
- United States
- Language:
- English
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