RE: Drilling and Helium shows8 Jun 2021 04:28
Reallyden, this question makes me so mad! Because I can't find an interview that talked about the difference between using a mineral rig and oil rig - which mentioned being left with a "bucket of chips". I'm sure the interview would have gone into more detail on the drilling but I can't find the bloomin' thing. I have even looked through my internet history and filtered it to see if I could find it, and also checked reddit and twitter.
(The interviewer sounded fairly young - not one of the more common share interview sites. The player had a yellow or light orange panel/foreground. I so wish I could find this again.)
In the first investor presentation, David said each hole could take about a month to complete. Probably less as they are now using a larger rig than initially sourced. From what i have read, a diamond drill can complete up to 200-feet per day of drilling. That's around 60m daily at most.
This is the rig they are using. https://www.mccullochsdrilling.com.au/new-equipment/hanjin-d-b-45-cbm
1. Does the drill team need to case the hole, in stages, prior to drilling deeper?
From the drilling videos I have seen, it is a fairly structured process without much pause. The casing is passed into the machine which raises the casing and places it automatically while continuing to drill.
2. How many drill days (approx) before we reach the first zone of possible helium shows?
The first helium shows will be in the mud, but as the drill won't stop until it reaches the required depth, there is no way to really tell. We don't know if the mud will be tested daily, twice daily, every other day... There is up to 30% reservoir porosity, so it depends on what that space in the rock is made up from. I am not sure where the seal on the tai geology would be, but I would hope to hear some thing during the second week.