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Revenues (Tables)
 12 Months Ended
Dec. 31, 2017
Text block1 [abstract]  
Detailed Information about Revenue

 

     2017      2016      2015  

Sales (1)

      261,072        216,644        159,387  

Production incentive program (2)

      —          —          1,988  

Revenues from construction contracts

      710        778        455  

Turnover tax

      (8,969 )       (7,322 )       (5,694 ) 
  

 

 

     

 

 

     

 

 

  
     252,813        210,100        156,136  
  

 

 

     

 

 

     

 

 

  

 

(1) Includes 12,840, 16,757 and 12,345 for the years ended December 2017, 2016 and 2015, respectively, associated with revenues related to the natural gas additional injection stimulus program created by Resolution No. 1/2013 of the Planning and Strategic Coordination Commission of the National Plan of Hydrocarbons Investment. See Note 31.
(2) See Note 31.