Maximizing Quality and Efficiency of Multisensor Streamer Seismic with an Ultra-wide Penta Source Configuration

An ultra-wide penta source configuration was deployed in combination with a high-density multisensor streamer spread to address shallow exploration targets in the western part of the Norwegian Barents Sea in 2020. The total source separation was 315 m, and is the widest towed by a seismic vessel in a commercial project to date. The survey area was near the Loppa High discovery in water depths from 300 to 400 m. Target depths are as shallow as 600-700 m. The innovative acquisition configuration provided very dense spatial sampling and uniform coverage of the ultra-near offset class for high-resolution imaging of shallow exploration targets and geohazards. At the same time, the improved near offset sampling was achieved without compromising acquisition efficiency.