MCF Energy has announced significant progress in the production testing of the Welchau-1 well in the ADX-AT-II licence area in Upper Austria.
The well completion process has been executed, involving the installation of tubing, a packer and a perforating system.
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Two intervals in the Steinalm Formation have been perforated using high-density casing guns. These test intervals are located at 1,452.5–1,463.5m measured depth (MD) and 1,474.5–1,480m MD, the company said.
A well clean-up flow was conducted, revealing gas at the surface and an unassisted stable rate of liquid flow including drilling mud, likely contaminated formation water and traces of oil.
The unstimulated perforated interval showed productivity of 240–290bpd of fluids.
The RED Drilling & Services W-102 workover rig has been deployed to install a testing completion string in the Welchau-1 well.
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By GlobalDataFluid sampling and downhole production logging tool (PLT) analysis are ongoing to assess flow contributions, pressures and fluid gradients, the company noted.
The test results will help determine the type and flow of liquids produced at this level.
Hydrocarbon shows were observed during drilling in the perforated intervals over fractured zones in the Steinalm Formation.
These zones also showed oil recovery from a downhole modular formation dynamic tester and hydrocarbon influxes during drilling, correlating with permeable events intersected in the well bore.
The forward plan includes completing the PLT data acquisition and testing the shallower Reifling Formation while evaluating results from the Steinalm Formation test interval.
MCF Energy holds a 25% economic interest in the Welchau Investment Area, which includes the Welchau-1 well and other emerging prospects.
ADX Energy, the operator, holds a 75% interest in the well.
MCF has executed an Energy Investment Agreement with ADX, funding 50% of Welchau-1 well costs up to a cap of €5.1m ($5.37m) to earn its 25% interest.
MCF has met its funding obligations and will continue to pay 25% of ongoing well costs.
