RT Journal Article SR Electronic(1) A1 Armstrong, T.YR 2001 T1 Velocity Anomalies and Depth Conversion - Drilling Success on Nelson Field, Central North Sea JF , VO OP SP cp-15-00462 DO https://doi.org/10.3997/2214-4609-pdb.15.IV-2 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609-pdb.15.IV-2