During the October - November 2013 period, United Oilfield Services, commissioned by Strzelecki Energia Sp. z o.o., performed 2D seismic acquisition program over three Jurassic license areas (Koło, Poddębice and Łódź Zachód) located in central Poland.
Seismic data has been acquired using a Sercel's 428XL seismic acquisition system equipped with DSU-3 three component receivers based on MEMS technology. The acquisiotion was carried out with heavy Thomas vibrators fitted with Sercel shakers, capable of tiggering a peek force of 62 000 lbs.