"I also suspect that despite what PM said in an interview, they...

"I also suspect that despite what PM said in an interview, they are flowing both zones (Middle/Lower Caringynia) Wouldnt be the first time there has been a slip or misinterpreted technical detail from an MD. But I stand to be corrected on this, just my gut feel."

I believe that is what was done...I haven't seen where they installed a plug between the two zones, they were fraced together with the plan the flow together