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Turkish well misses Dadas shale, has shallower shows

Anatolia Energy Corp., Calgary, said the Guvenir-1 well in Turkey found no evidence of the Silurian Dadas shale but intersected a younger section with hydrocarbon shows.

Operated by Calik Enerji of Turkey, the well went to a TD of 1,956 m on the Antep license in southeastern Turkey (OGJ Online, Aug. 16, 2012). It is the first well drilled in an unexplored basin that covers 845,418 gross acres at the intersection of two major hydrocarbon systems.

 Based on geological data collected during drilling operations, the well is interpreted to have penetrated Ordovician-age strata with no evidence of Dadas shale at that location.

The newly identified younger section indicates the possibility of a thick sedimentary basin with potential source rocks across the Antep area and appears to be analogous to similar source rock intervals and producing horizons found in northeastern Syria, Anatolia Energy said.

A core taken at 1,954-56 m is being analyzed for age dating and hydrocarbon source rock potential which when combined with the vertical seismic profile data will assist in better correlating the existing seismic and creating more precise maps of potential new horizons. Detailed analysis of the data will be required to assess the full potential of this zone, and the wellbore will be available for reentry pending further interpretation of the seismic and well data.

Anatolia will be developing a new suite of prospects and plays in preparation for additional drilling in the district in 2013.

Elsewhere, Anatolia plans to perform a Dadas shale fracture stimulation test on the Bismil license in the first quarter of 2013 to demonstrate the ability to mobilize hydrocarbons from the shale. The Bismil and Sinan licenses in Turkey provide the company with exposure to 263,532 gross acres (131,766 net) of Dadas shale and-or conventional oil prospective acreage.


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