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Amerisur Resources Plc announced an update on the Platanillo-4 well in the Platanillo field, Colombia, the second of a planned eight well drilling campaign.
A 29-ft (8-m) section of the logged 75 ft (22 m) gross oil column was perforated in the U formation in order to perform flow tests. Over a flow period of 48 hours, the interval produced in natural flow at an increasing rate. The test was terminated at a production rate of approximately 1,100 b/d of of 30.3° API oil with trace water, while choked back and with wellhead pressure of approximately 50 psi.
The production curve showed an increasing trend, indicating that the stabilized commercial production rate may be higher. The drillstem testing assembly has now been removed from the well and the permanent production system is being installed to place the well on commercial production.
Platanillo-3 continues to produce commercially at a controlled rate of approximately 1,500 b/d of oil, and the company remains confident of achieving a year end production rate of 5,000 b/d of oil.