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The company told the market yesterday that it had started dewatering its Corella-P11 well, which initially flowed at 288 barrels of water per day, before falling to 170bpd.
“This water production rate is substantially higher than the company has seen in previous surface-to-inseam wells and is very encouraging,” it said.
“Water production has been accompanied by free gas flow which is expected to increase as dewatering progresses.”
Gas metering is being installed and will begin in the next day, the company said.
In addition, Metgasco has finished drilling and started production testing the Corella-12 well.
The Ensign ADR 100 rig has now been moved to the Riflebird-P11 well site.
The other three SIS wells – Corella-P14, Corella-P15 and Corella-P16 – have been drilled to a depth of 150m, with casing set and cemented.
The SIS program involved drilling inseam lateral wells of up to 1000m in length into various seams in the Walloon coal measures.
The pilot wells of this program will target the Richmond, Tomki, Codrington and Gundarimba seams.
Metgasco claims to holds the largest certified gas reserves in NSW, with independent certification of 1.08 trillion cubic feet of possible gas reserves (3P) and 21 billion cubic feet of probable gas reserves (2P).
It holds an 85% in the Stratheden joint venture area, in partnership with CS Energy.