Ann: Leigh Creek Energy Webinar, page-26

What I took away from the flow rates discussion that this is fairly unconventional tech to get the gas out and potentially non-like-for-like comparisons have been draw to coal seam. The main difference being the increased control over the flow rates and the contingencies should there be a drop in the rate required for commercially viable extraction. Justyn mentioned that with coal seam is that once it's tapped it flows out at a rate based off the whereas the flow rate of the ISG/UCG method is that tweaks can be made to existing wells, new wells can be drilled to increase the flow if need be.
I understand this as the reason why the PCD reaching commercial flow was an success rather than the much debated average flow metric which is likely a necessity for other gas extraction methods.. End of the day, there does not seems to be many experts in the matter however LCK are positioning themselves nicely to become the go to.