Emerald Energy PLC improved oil production by reworking the Mirto-1 well on the Maranta block in Mirto field in the Putumayo basin in Colombia, said La Cortez Energy Inc., Bogota.
Emerald Energy PLC improved oil production by reworking the Mirto-1 well on the Maranta block in Mirto field in the Putumayo basin in Colombia, said La Cortez Energy Inc., Bogota.
The workover had the objective of initiating a long-term production test on the Villeta N sand, the same zone that is producing in the Mirto-2 well.
The rework boosted output to 334 b/d of 15° gravity oil with 1.5% BS&W on an electric submersible pump with 820 psi flowing pressure at the ESP inlet, the expected pressure needed to maintain current production levels, La Cortez Energy said. On Sept. 10 production rose to 343 b/d with 0.5% BS&W.
Mirto-2 has averaged 484 b/d of oil with 0.7% BS&W for the year with flow pressure stable at 1,065 psi, indicating the potential to increase the ESP frequency in order to maintain production levels closer to 500 b/d.
About the Author
Alan Petzet
Chief Editor Exploration
Alan Petzet is Chief Editor-Exploration of Oil & Gas Journal in Houston. He is editor of the Weekly E&D Newsletter, emailed to OGJ subscribers, and a regular contributor to the OGJ Online subscriber website.
Petzet joined OGJ in 1981 after 13 years in the Tulsa World business-oil department. He was named OGJ Exploration Editor in 1990. A native of Tulsa, he has a BA in journalism from the University of Tulsa.
