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Cant believe this gas now up over 13% unbelievable
Incredible gas up another 9% today
Well done. Someone who knows a thing or two about Petroleum Geology. Thank you for this.
Thanks for the insight Druid, excellent post. You’ve obviously done your homework.
Total nonsense. It is of course Saturday today ;)
In all seriousness, great post and I learned something - please post your insights more frequently!
Cheers
I'll expand a bit why not, it's Sunday and time for a sermon RE Offset wells and porosity...and the implications for Royston. I'll try to make it as plain as possible, but will be both too simple and too complex.
These Herrera sediments have their provenance in the W/SW predominantly, which means the basin 'youngs' eastward and is more 'distal' eastward (distal=further from provenance or source of sediments)
More distal means more finer grained, more distal means less sand input,....NOT USUALLY GOOD!
For example, as discussed below, Carapal Ridge/Baraka/Baraka East/Catshill to the west are more proximal (i.e. less distal) to the sediment source, and so you'd expect BETTER petrophysics at CR1 et al.. (Not exactly though, because axially deposited turbidites like these, tend to have better poro-perms in the axial trend, than on the margins of the fairway when equidistant from the source....but nevertheless this is a fair general approx.)
So, this means that NO proximal well, i.e. well to the west, can really help deduce likely well performance at Royston...as we would expect them to be better (again, as long as not on basin margins i.e. too far south in this case).
What we need for comfort, is a well the EAST of Royston, so MORE distal....i,e, a well that should be poorer petrophysically than Royston...
And by Jove, we have one!!
This well is both in a more distal location, in a completely different structural setting (as it pinches out stratigraphically on the LS high which is the southern margin of the Miocene turbidite fairway), and..... it WAS TESTED!!
It looked like water on the logs, and it FLOWED A PILE of water from the same stratigraphy.
If it flowed water from the ratty crappy sands as it did at c.500bwpd, then if that same reservoir was filled with gas condensate...it would produce like the clappers!
So there we have a more distal, ratty stringy, low N:G sand reservoir, that performed VERY WELL !!! Halleluiah!!
NOW....
Royston appears to be both on the axis of Ortoire Syncline and more proximal than this well, and so it should have better sand development, better reservoir properties, and if charged with HC, should FLOW LIKE MAD!!
BTW.... that more distal and marginal Herrera well well is GY 614.
...and while we are talking wells, to further wet your whistles....I note that the ubiquitous Karamat sand is also charged.....I refer all to well CO-1, in the same sand to the west, in the same structural position as the Royston footwall....Hard to follow this sand, but with better data and more exploration....it is prolific.
It is rare in this environment to find a structure which is charged with HC in both hanging wall and footwall location, and also in multiple stratigraphic levels (LC, KMT, Herrera....and ???) !! What a kitchen!! TXP have discovered a gem of a structure, which is HC charged in it's most down plunge position, and leaves an entire trend up-plunge NE for the best blue sky exploration!
Ho
From another board hence **
CAR3Y
Not sure you understood my post- it’s a message from another board heard hence the quotation marks. Been here well over a year so not short at all :)
Thanks MJ for the insight
Could it be they have learned what to expect and how to handle it?
The person that made that comment doesn’t know what they are talking about, doesn’t understand physics, or is deliberately trying to create som doubt.
The way things went on this well is how it’s supposed to go, and normally does go.
Porosity - it is lower than Cacadura, but like normal other wells. Some people are trying to make this an issue too. It’s just like other commercial producing wells in the area FFS ……. It’s not a problem, it’s normal.
Comparisons made to central block wells suggests nothing of the sort John, I’d say your comments suggest perhaps your short, if not wait for flow tests before buying in and pay a premium on those results potentially.
“The relative ease that they appear to have drilled this and could leave hole open for two logging companies to run logs (unless one set cased/one open) suggests hole very benign (ie not holding back a monster)“
TIA