Wireless vs. Wireline Land 3D Seismic in North Italy

Written by M. Pellegrino*, N. Pajola, G. Tortini, A. Esposito, P. Follino (eni e&p), A. Di Lecce (Geotec SpA).

Wireless vs. Wireline Land 3D Seismic in North Italy

Summary

Land seismic acquisition in densely populated areas is often affected by severe operative problems, mainly due to difficulties to access the survey area caused by different permitting issues, and more in general by the presence of obstacles. As a consequence, it is usual to acquire 3D seismic surveys characterized by important discrepancies between the planned and the actual lay out. These variations can typically produce negative effects in the final seismic data quality. The use of cable-free acquisition systems can help to solve this problem. We present here the results of a recent case, where both acquisition systems (wireline and cableless) were deployed at the same time, recording simultaneously two independent datasets over an area of 22.5 sqkm for a total of 4707 cableless receiver points and 2770 shots.

Wireless vs. Wireline Land 3D Seismic in North Italy

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