Canada's Valeura Energy continues to see the best flow rates at the deepest intervals in the Devepinar-1 well, the company announced on Friday.
The upstream natural gas producer focused on appraising and developing the unconventional gas accumulation play in Turkey's Thrace Basin and reported on natural gas production test results for the Devepinar-1 well.
Sean Guest, President and CEO of the company said that the results from Devepinar are on trend with their predictions derived from the other tests conducted in the basin with regard to product characteristics. At this depth they see dry gas, with no condensate.
It said that following short-term tests on each of the three intervals stimulated in the well, as announced on Nov. 29, 2019, the company drilled out the plugs isolating each interval, installed production tubing, and conducted a comingled production test across a 125 meter gross section from 4,640 meters to 4,765 meters lasting approximately 11 days.
According to Valeura, the comingled test yielded gas flow rates similar to the results measured from the single intervals previously tested.
"The average flow rate over the 11-day comingled test period was 908 million cubic feet per day (mcf/d) and the gas flow for the final 24 hours of testing was 462 mcf/d. In total, the well produced for approximately 20 days at an average rate of 1,106 mcf/d. No condensate was measured during the testing," it said.
Guest said that they are pleased with initial rates from each of the three stimulated intervals, and with the substantial data set acquired through the comingled production flow test.
"While every test to date has resulted in gas flowing to surface, we continue to see the best flow rates at the deepest intervals in the play. Further modeling work is needed to interpret the implications of the comingled test results, which will lead to establishing the next steps for our continuing appraisal of the deep gas play," Guest commented.
The company has shut in the well and is now performing a pressure build-up survey.
By Murat Temizer