Retrospective evaluation of 3D siesmic survey possibilities for development drilling cost reduction at Poludennoye oil field is presented. Compared are structure plan, prediction map and bar charts of saturated thicknesses of Yu-1 productive formation at Zapadno-Poludennoye oil field. Expediency of drilling at north-western part of Zapadno-Poludennoye field is stated and rejection of such at its southern part is recommended.