Analysis of drilling and test data from 14 wells drilled since the 1950s has indicated the presence of a world class shale gas play in the Basque Country of northern Spain.

Of 14 wells that penetrated the Cretaceous shale, 10 tested gas and only three penetrated the entire section.

A group led by the Basque national oil company will drill its first two appraisal wells in 2012. The 14 earlier penetrations collectively led to an independently estimated midrange resource of about 200 tcf of free gas and adsorbed gas in place.

 

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