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Suroco Energy Inc. reported that the Cohembi-4 appraisal well in Colombia was tested with an initial rate of 1,706 barrels of oil per day.
The well was tested into lease tanks with a variable speed electric submersible pump on July 10. The well was pumped for 14 hours, then was shut in for a pressure buildup test to obtain an accurate initial reservoir pressure. The rate during the final three hours was equivalent to 1,706 b/d with a declining watercut of 5%. The corporation interprets the initial water production to be recovery of workover fluid or filtrate used during drilling and completion operations.
A flowline to the Cohembi producing facility is expected to be in place within the next few weeks to allow continuous production from the well. The drilling rig is now being moved to spud the Cohembi-11 well from the same Cohembi-4 surface pad, with a targeted bottomhole location approximately 1.2 km west of Cohembi-4.