I understand that the vertical intersections of shale are are in excess of a 1000m for this well
They are but I don't believe they are fraccing those entire sections. If you looks at this preso on page 4.
http://www.norwestenergy.com.au/index.php/download_file/-/view/456/
You can see the size of the various formations quoted matches up with the top and bottom depths of each zone. Where as the frac zones are quite different. e.g. they are only fraccing the lower zone of kockatea but the entire zone is part of that 1000m you mention. I don't know how accurate the red frac zones on the diagram are or they are intended to be representative at all but the fact that we have lower kockatea as one frac and upper/lower carynginia as two separate fracs (which means no single frac could be greater than 125m) suggest that we are not utilising that full 1000m. In fact I recall reading somewhere that the middle zone of carynginia is not being tested due to high clay content (same for parts of kockatea).
Overall that's good and bad. Bad because it does limit the potential output of the test well somewhat, good because the results will be scaled up much higher to a horizontal well. i.e. if we scale a 100m frac to a 1000m well that's a lot nicer than a 1000m to a 1000m well.
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