Ann: Operations Update, page-115

I am see this quite differently Garrym and could be wrong, but will post a few points in the spirit of a discussion forum.
Starting with the knowledge that it is all a super critical gas in the reservoir due to being above the critical point temperature for the gas and oil mix. 88e have advised us of this in the Q and A sessions.
The conclusion I draw is the supercritical gas is of a uniform density so will not be sifted by gravity into different layers of gas and oil. So there is a quite uniform mixture within the reservoir, it does however vary in quantity in accordance with the pore space available. Combine this with the ultra low permeability of shale preventing significant movement between layers and a more stable and uniform hydrocarbon mixture is supported throughout the entire 180 ft pay zone. This is the kitchen where the kerogens cook to oil and gas mixtures and they are still in the same spot and pot they started in
With regard to the condensate flask, there is no depth tag associated with the flask, so have assumed it to be the sum of all the condensate, that has separated from the off gas released in collection of the other four flasks of volatile oil. These were sampled from four 6 inch long core sections over a 15.5 foot interval from 11135 to 11150.5 ft, so only representing a small section of reservoir. Interesting that this zone is some 49 ft below the lowest point of the lower fracture stage initiation depth of 11086 ft
A small point to add with N2 lift, the N2 coming off the separator is normally recycled back to the gas lift compressor intake. Saves on pure nitrogen which is in short supply at startup and requires a lot of horse power to produce using a reverse osmosis plant. As hydro carbon gas comes from the reservoir the N2 will back out, and some flaring will begin until the gas lift is running on hydrocarbon gas only. At which point the N2 generation will be shut down.