Geological exploration
Name Unit 2011 2012 201320142015
3D Seismic      
Consolidated subsidiaries km2 3,303.0 3,089.0 4,650.03,219.03,133.0
Proportionately consolidated companies km2 679.0 1,085.0 858.0484.0459.0
Joint ventures km2 1,581.0 1,434.0 1,777.01,677.01,140.0
Joint arrangements (100%) km2 - - 861.0-100.0
 
Exploration Wells Drilling
Consolidated subsidiaries metres 62,996 64,482 83,00964,59139,811
Proportionately consolidated companies metres 11,180 13,985 11,62913,1443,227
Joint ventures metres 52,194 51,063 53,43834,02721,804
Joint arrangements (100%) metres - 11,650 10,4337,122-
     
Quantity of Exploration Wells Drillied       
Consolidated subsidiaries units 25 22 282614
Proportionately consolidated companies units 5 5 541
Joint ventures units 22 18 18147
Joint arrangements (100%) units - 3 61-

Last update: March 2016