Petronova Announces Successful Test at Atarraya-4 Well

Source: www.gulfoilandgas.com 6/5/2013, Location: South America

PetroNova Inc, a company engaged in the exploration and development of oil and natural gas resources in Colombia, announced successful test results for the Atarraya-4 delineation well located on the CPO-7 Block (in which PetroNova has a 20 percent working interest) in Colombia's Llanos Basin.

"These are encouraging results for our first step-out well as we work to determine the extent of the Atarraya Discovery," said Antonio Vincentelli, Chief Executive Officer of PetroNova. "In view of this successful result our next steps include the drilling of the Atarraya-3 directional well from the same pad to further delineate the discovery to the northeast."

The Atarraya-4 is a directional well drilled from the Atarraya-1 surface pad, to a bottomhole location 2,625 ft. southwest from Atarraya-1, where a hydrocarbon discovery was announced on May 9, 2012. The Atarraya-4 well spud on April 27th, 2013 and reached a total vertical depth of 4,841 ft. (5,640 ft. MD) on May 7, 2013 without incidents. Mud and electric logs indicated the presence of a 25 ft. of net oil sand at the top of the C7 Carbonera unit. Production casing was run and cemented. The well was tested utilizing both hydraulic (jet pump) and electro submersible pumps (ESP).

Production tests of the 5,204'-5, 221 gravel-packed interval, at the top of the Carbonera unit, yielded 1,000 barrels of fluid per day with an 11.2% watercut; net production of 880 BOPD of 21.4 degree API oil at a relatively low ESP frequency of 32 Hertz.

The Atarraya-4 well was completed in the upper C7 sand of the Carbonera formation and it is expected that an extended production test will be performed after the necessary permits are obtained from the Ministry of Mines and Energy (Colombia).

The Atarraya-4 well is the fifth well drilled in the drilling campaign on the CPO-7 Block which is operated by Tecpetrol Colombia, in which PetroNova has a 20 percent working interest. It is anticipated that PetroNova and the Operator will continue their program by drilling the Atarraya-3 directional well from the same pad, to a bottom hole location 2,296 ft. northeast from the Atarraya-1 location.


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Related Categories: Artificial Lift  Cementing, Stimulation  Directional Drilling  Drilling  Drilling Engineering & Equipment Systems  Enhanced Oil Recovery  General  Logging, Perforating, Testing  Offshore Drilling  Reservoir/Completion Consultants  Workover & Well Services  Workover Rigs/Services 

Related Articles: Artificial Lift  Cementing, Stimulation  Directional Drilling  Drilling  Drilling Engineering & Equipment Systems  Enhanced Oil Recovery  General  Logging, Perforating, Testing  Offshore Drilling  Reservoir/Completion Consultants  Workover & Well Services  Workover Rigs/Services 


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