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[adxwasere] 12/12/2021 03:28

brummm brumm nom nom..

[adxwasere] 11/12/2021 23:16

As in little itty bitty tiny weenie nibbles. Or ...... Bullet point it . Long corrections and rebuffs and counter arguements are all good. ill avoid them as not shaped like airplanes. Thanks

[adxwasere] 11/12/2021 23:13

By break it down i mean easy byte size sentences?

[adxwasere] 11/12/2021 23:03

Absolutely agree , im very new could you break it down a little for me.

[michaelsadvfn] 11/12/2021 18:21

#20405, spangle, thanks for posting that. It’s good to have people like you coming along to educate those of us laymen.

[fordtin] 11/12/2021 15:07

For anyone who hasn’t found a spare hour & 48 minutes to watch the full August 2021 presentation, I recommend you take just two minutes to watch it from 00:36:05 to 00:38:05;



If it grabs your interest, consider what the Ganges Delta and the Amazon Delta might develop into over the next seventy or eighty million years.

If you fancy a real punt, buy a couple of hundred acres of mineral rights over the current surface of the Mississippi Delta including present sea-bed extending a few miles out to sea.
You might be lucky enough to own a few billion barrels of oil in ~80 million years!

[dhb368] 11/12/2021 13:37

Johnswan, I think that had more to do with targeting the low hanging fruit that will have more immediate impact on value.
It seems that any second well at or south of Alkaid will likely target the SMD. So ideally they will be able to long term production test the 400m barrels extractable from the dalton highway.

[unlikely2] 11/12/2021 13:36

Brian-from the schedule which dhb368 posted again yesterday (20353), the lease plan has operations kicking of with -
15 Dec - 16 Jan. Prepack then construct Ice Road and Ice Drillpad to Talitha A then continue construction to Theta West #1 location.

That has to be dependent on the weather on the slope.
I have no doubt that if Pantheon went as far as securing the rig prior to confirming funding, they also have the contractors lined up to begin as soon as the temperature permits. They did say start early Jan - but if I recall correctly that was also what they were saying last year.

[spangle93] 11/12/2021 13:36

@Rabito 20406
My thoughts are that we're looking at issues somewhat further down the line than the current state of play. ;-) e.g. as someone has posted subsequently the Kuparuk isn't a big feature of the 2022 campaign.

You'd have to ask Telemachus if you want a definitive answer. But for a general discussion, let's consider the basics.

Why are ESP's used? Electrosubmersible pumps are placed in the well as part of the tubing above the reservoir. As their name suggests, they are downhole pumps that augment the reservoir pressure in moving fluids from the reservoir to the surface. So they are just one of a series of methods called artificial lift, along with others like gas lift (20405) and nodding donkeys. Each has advantages and disadvantages - Google has plenty of articles listing these. ESP's in particular have problems in situations where sands or other solids are likely to be produced - replacing a failed unit requires a full workover with consequent cost and lost production. They also work better where total rates are over 1000 bpd.

What are oil wet reservoirs? These are less common than water wet, and very unusual in non-carbonates. It means that the oil phase in pores preferentially adheres to the grains, and the connate water is the moveable phase in the pores. Without stimulation pre-treatment (e.g.surfactant injection which acts like washing up liquid, though you'll know far more than me here) when the wells are produced, the initial production is mainly water, since this can move more freely through the rock. As the reservoir is produced and pressure drops, the oil cut will increase over time. This is in durect contrast to a "normal" oil reservoir, in which initially there is high oil content in the flow, and water cut increases with time.

As normal reservoirs are produced, and as the pressure falls and the water cut increases, the effective density of the hydraulic head to surface increases, since water is denser than oil. Thus, fields that perhaps do not need artificial lift in their early years may require it in later life. Sometimes, especially for subsea wells where interventions would be very costly, you pre-invest in lift systems when you fit the completion, so that after 2-3 years, you can start it up (proactive). On land, it's easier and cheaper to do workovers, so maybe you'd plan to do one to retrofit artificial lift once the reservoir needed it (reactive)

Where does all this theory fit with the Kuparak. Well, as you said, it seems to be well pressured and we're told it is 42 API which is 0.815 SG approx (~80% of salt water). So in contrast to a conventional reservoir that needs ESP in later life and/or with low initial pressure, here we have good pressure AND a hydraulic column that will only lighten over time.

Consequently, the need for artificial lift will only be in the early period of production, not for all of field life.

As is the problem with these black and white statements, it's never that simple. Clever people with much more knowledge of the actual conditions than me will be doing the sums and looking at advantages and disadvantages, looking at a wider picture. What happens if you don't drill with a WBM - maybe with little formation damage during well construction, the initial rates are much better? Maybe stimulation will get sufficient flowrate early on such that artificial lift isn't needed. Maybe you fit a pump at surface? Gas lift using natural gas separated from the oil would work, but there is less gas available at the start of production if you have high water cut.

In summary, IMHO, ESPs would be part of a consideration involving a wide sweep of tactics, beyond artificial lift alone. Given their need for a limited period, their capital cost (and effect on casing design) and risk of particulate damage in early life, I would have thought logically that other solutions would be more appropriate.

[bchoco] 11/12/2021 13:33

Scot - post 20364...already done ...spend time running between the three in order to keep interest and momentum going plus many newbies have no clue about what PANT is all about (reading some comments make it clear)...but links are posted/reposted several times in the day

[dhb368] 11/12/2021 13:32

That was as per the original plan but we are weather dependent now.Start date for the ice road construction will depend on the weather and the State of Alaska.

[johnswan193] 11/12/2021 13:15

Rabbit despite having almost $100m they made it clear in the recent interview that they have no plans to do anything with the Kuparuk, so that should tell you everything you need to know.