24 Mar 2014 07:00
24 March 2014
Amerisur Resources Plc ("Amerisur" or the "Company")
Platanillo-17 Update
· 12th successful new well in the current campaign in Platanillo field
· Confirms excellent potential in the central part of the structure
· High controlled test rate of 1,527 BOPD of 31.8 API oil in natural flow
· Placed on commercial production at approximately 1,100 BOPD
· Rig moving to drill Platanillo-15 on Platform 9S
Amerisur Resources Plc, the oil and gas producer and explorer focused on South America, is pleased to announce an update on the well Platanillo-17 in the Platanillo Field, Colombia, the 12th new well of the current drilling campaign, in addition to three successful sidetracks.
The well has been successfully drilled, on time and under budget, to a total depth of 8,760ft MD, achieving an offset of 2,118ft to the south of Platform 3N. The reservoir section was logged and log analysis indicated the presence of 86ft gross, 53ft net oil column in the U sand formation, using Schlumberger Anadrill Logging While Drilling tools.
The Company completed the well for commercial production from the U sand. A total of 33ft of the 53ft net oil pay was perforated and flowed 1,527 BOPD of 31.5 API oil on test under natural flow over a 34/64" choke with 250 psi at the wellhead and trace water. The well has now been choked back and placed on commercial production at approximately 1,100 BOPD.
The Serinco Rig D-10 is currently being moved to Platform 9S in the south of the field to drill Platanillo-15. That well will be drilled to a location 1,602ft to the south-west of Platform 9S. Platanillo-15 is classed as an infill well whose purpose is to further develop the southern part of the field.
Current field production remains constrained in the range 7,000 to 7,500 BOPD.
John Wardle, Chief Executive Officer of Amerisur, commented:
"Platanillo-17 is another excellent result for the Company. The seismic model, which was remapped after the VSP survey acquired in Platanillo-16, has proved to be very accurate and this will bring great benefit as we move further north in the Platanillo field."
ENDS
Competent person: Technical information in this announcement has been reviewed by John Wardle Ph.D., the Company's Chief Executive. John Wardle has 29 years' experience in the industry, having worked for BP, Britoil, Emerald Energy and Pebercan, and is a trained drilling engineer.
ENQUIRIES:
Ben Brewerton / Adam Cubbage, Tel: +44 (0)207 831 3113 FTI Consulting
Stephen Foss / Daniel Conti Tel: +44 (0)207 653 4000 RBC Capital Markets
Chris Sim / Ben Colegrave Tel: +44 (0)207 597 4000 Investec
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