PGS kicks off GeoStreamer X seismic survey in Brazil

Seismic services provider 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.

Ramform Titan
Ramform Titan vessel; Source: PGS

The Campos Deepwater GeoStreamer X project will deliver high-quality, long offset, multi-azimuth seismic data over the deepwater portion of northern Campos Basin and the first data will be available in 4Q 2020,  PGS said on Monday.

According to the company, 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.

The Ramform Titan vessel arrived in Brazil on schedule and started operations on February 25, just north of the Tropic of Capricorn and west of the Marlim field in the Campos Basin.

PGS stated that its flagship seismic survey vessel was 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.

Final multi-azimuth products on Campos Deepwater GeoStreamer X, available in 4Q 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 will also 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.”


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