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  • PGS Commences GeoStreamer X Survey in Campos Basin
    édité le 03/03/2020 - Plus de news de "PGS" - Voir la fiche entreprise de "PGS"


PGS Commences GeoStreamer X Survey in Campos Basin
PGS is back in Brazil in 2020 with a Ramform Titan-class vessel, to acquire the first GeoStreamer X MultiClient 3D seismic survey in the region. The Campos Deepwater GeoStreamer X project will deliver high-quality, long offset, multi-azimuth seismic data over the deepwater portion of northern Campos Basin. First data will be available Q4 2020.

The survey will provide the first 3D data over blocks offered in the upcoming 17th Bidding Round, will inform operators on drilling decisions in 14th Bidding Round blocks, and will improve subsurface imaging of the presalt section outboard of Campos Basin oil giants, including Roncador, Albacore, and Marlim.

Ramform Titan arrived in Brazil on schedule and commenced operations on 25 February, just north of the Tropic of Capricorn and west of the Marlim field in the Campos Basin. PGS’ flagship seismic survey vessel is towing the largest acquisition spread ever deployed in Brazil, comprising over 140 000 meters of active multisensor streamers.

GeoStreamer X for Campos Exploration Opportunities

PGS’ Campos Deepwater GeoStreamer X program targets Campos Basin presalt open acreage, blocks acquired in the 14th Bidding Round, as well as open acreage offered in the 17th Bidding Round that is scheduled for late-2020. The survey will cover an area of approximately 14 500 square kilometers and overshoot PGS’ existing orthogonal MC3D, which is currently being reprocessed.

The tailored acquisition configuration for the GeoStreamer X project will provide 10 km long offsets, to improve depth velocity modeling accuracy of the postsalt, salt, and presalt sections, facilitated by the use of PGS’ Full Waveform Inversion (FWI) technologies. These additional offset data also promise added angle range for presalt seismic amplitude analysis and reservoir characterization. Multi-azimuth processing, incorporating the reprocessed orthogonal dataset will improve illumination of the subsurface structures found within the presalt plays in this portion of the Campos Basin.

Final multi-azimuth products on Campos Deepwater GeoStreamer X, available Q4 2021, will include TTI Kirchhoff and RTM (45 Hz) PSDM. These will benefit from both the new GeoStreamer fidelity and broadband reprocessing of the legacy data. PGS also will be offering a high-resolution PSTM to aid in shallow drilling hazard analysis, gravity and magnetic data for regional basin analysis, as well as standard field deliverables. Fast track products will be available prior to the 17th Bidding Round, scheduled for late-2020.

Barrett Cameron, Vice President New Ventures NSA for PGS, commented:
“PGS is delighted to return to Brazil in 2020 with the first GeoStreamer X project in this region, in the under-explored presalt play of the Campos Basin. Our previous campaigns, in Potiguar and Sergipe in 2018, proved the unique capacity of our Ramform Titan-class vessels towing large spreads to deliver efficient and safe operations in the challenging environment of Brazil. We are looking forward to better illuminating this portion of the Campos Basin, potentially containing large exploration opportunities. By combining a tailored GeoStreamer X design with an efficient and cost-effective Ramform Titan-class and leading-edge imaging technologies, we anticipate a step-change in image quality to enable future discoveries and provide an excellent baseline 3D survey.”

About PGS

Petroleum Geo-Services ("PGS" or "the Company") is a focused Marine geophysical company that provides a broad range of seismic and reservoir services, including acquisition, imaging, interpretation, and field evaluation. The Company's MultiClient data library is among the largest in the seismic industry, with modern 3D coverage in all significant offshore hydrocarbon provinces of the world. The Company operates on a worldwide basis with headquarters in Oslo, Norway.


Origine : Communiqué PGS

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