Acquisition Configurations and Targets
Flexible Source Solutions for Targeted Survey Applications
UHR3D is towed from a smaller vessel. When combined with the very short streamers, high maneuverability makes UHR3D an optimal solution for congested survey areas. Also, the shallow source and receiver tow depths used in UHR3D surveys (2–4 m) make it attractive for shallow water surveying.
Towed UHR3D streamer spreads use 8 to 24 short streamers towed at 6.25–12.5 m separation. Each streamer is 50-100 m in length and uses receiver intervals of 3.125–6.25 m. Recording sample rates are as small as 0.25 ms. Source frequencies beyond 1000 Hz enable UHR imaging of the near-surface.
- Shallow sources and receivers (2–4 m)
- 8–24 short streamers 50-100 m in length
- 6.25–12.5 m streamer separation and receiver intervals of 3.125–6.25 m
- Recording sample rates down to 0.25 ms
- Source frequencies >1000 Hz
Designed for Smaller Areas and Complex Targets
Detailed UHR3D data is ideal for smaller areas and complex targets, such as highly fractured, thin, or compartmentalized formations. For the highest spatial resolution, UHR3D data will typically focus on the 50–150 m offset range, while for offshore wind farms the offsets are more typically 10–100 m.
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