This   article  in  Motley  Fool  says  that   PRE  has  been  the  most  acquisitive  company  in  Colombia.

All  the   latest  acquisitions  of  PRE  are  shown  there, let's  see  who  is  next.

 

http://beta.fool.com/traderinvestor70/2012/12/03/heat-rising-colombian-energy-patch/17294/?ticker=PTA&source=eogyholnk0000001

 

 
 
 
But   the  author  is  not  bullish  for  PRE. He  prefers  other  companies   from   Colombia.