UPDATE 1-Emerald Energy finishes 1st flow test at Colombian well

* Says oil of 32 degress API gravity flowed to surface * Average flow rate at 185 barrels/day (Adds details)

July 14 (Reuters) - British oil and gas explorer Emerald Energy Plc EMEN.L said on Tuesday it successfully completed the first flow-testing operation in the Caballos formation in the Gigante No.2 well in Colombia.

Oil of about 32 degrees API gravity flowed to surface, under natural flow, at an average rate of 185 barrels per day, Syria- and Colombia-focused Emerald said in a statement.

The company said it looked forward to the results of further testing of the Caballos formation, the exploration target in the Gigante No.2 well, before proceeding to the flow testing of the Tetuan reservoir.

Emerald Energy shares closed at 632 pence on Monday on the London Stock Exchange. (Reporting by Tresa Sherin Morera in Bangalore; Editing by Gopakumar Warrier)