PGS is again in Brazil in 2020 with a Ramform Titan-class vessel, to accumulate the primary GeoStreamer X MultiConsumer 3D seismic survey within the area. The Campos Deepwater GeoStreamer X mission will ship high-quality, lengthy offset, multi-azimuth seismic knowledge over the deepwater portion of northern Campos Basin. First knowledge will likely be out there This autumn 2020.
The survey will present the primary 3D knowledge over blocks supplied within the upcoming 17th Bidding Round, will inform operators on drilling selections in 14th Bidding Round blocks, and can enhance subsurface imaging of the presalt part outboard of Campos Basin oil giants, together with Roncador, Albacore, and Marlim.
Ramform Titan arrived in Brazil on schedule and commenced operations on 25 February, simply north of the Tropic of Capricorn and west of the Marlim discipline within the Campos Basin. PGS’ flagship seismic survey vessel is towing the most important acquisition unfold ever deployed in Brazil, comprising over 140 000 meters of lively multisensor streamers.
PGS’ Campos Deepwater GeoStreamer X program targets Campos Basin presalt open acreage, blocks acquired within the 14th Bidding Round, in addition to open acreage supplied within the 17th Bidding Round that’s scheduled for late-2020. The survey will cowl an space of roughly 14 500 sq. kilometers and overshoot PGS’ current orthogonal MC3D, which is presently being reprocessed.
The tailor-made acquisition configuration for the GeoStreamer X mission will present 10 km lengthy offsets, to enhance depth velocity modeling accuracy of the postsalt, salt, and presalt sections, facilitated by way of PGS’ Full Waveform Inversion (FWI) applied sciences. These further offset knowledge additionally promise added angle vary for presalt seismic amplitude evaluation and reservoir characterization. Multi-azimuth processing, incorporating the reprocessed orthogonal dataset will enhance illumination of the subsurface buildings discovered inside the presalt performs on this portion of the Campos Basin.
Ramform Titan, launched in 2013, is probably the most highly effective class of seismic ship ever. It is totally built-in with GeoStreamer expertise for optimum outcomes and provides excessive tools redundancy, with quick deployment and restoration of as much as 24 steerable streamers plus steerable sources.
(Source and picture: PGS/Launch of streamer from Ramform Titan)
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