RE: RNS10 Sep 2019 01:55
Albi1,
"Flaring was reported on Saturday 7th around 2 to 3pm. The RNS states that shut in took place 24 hours later on Sunday 8th around the same time. Does that tell us anything or just standard practice?"
Forgive me, but you seem to be repeating a question by 'Doubleheadedcoin' under the 'dst' thread, and competently replied to by 'MCB55'.
I'd just add a little bit, though.
The '24 hours timing' isn't necessarily SOP. Might be just ten, might be thirty-six. All depends on circumstances. But yes, an 'initial flow' followed by shutin is perfectly normal.
The initial flow period is normally called 'cleanup', which in itself requires a bit of explanation.
You'll have been reading some people here talking about 'drilling fluid losses' which are generally a good sign in FB. When the well is initially put on flow with the DST, what comes back won't be just oil and associated gas, but also some of that drilling fluid 'lost'. So you continue flowing (and separating out) that fluid, and then when you're obtaining some sort of 'clean' flow (ie the majority being from the reservoir and not what you've 'lost' there), you shut in, let things stabilise, and then proceed with 'proper' testing.
Now by the way, as an aside, this coincides with an observation made by eagle-eyed shipwatcher 'Slipanchor' here on Sunday. In that the Edda Frende was alongside the rig very shortly after the time we know the well was shut in. And there's a good reason for that. She'll have been taking on the returned (and contaminated) 'lost fluid', which (almost certainly) will have gone back to the rig's mudpits via the test-spread separator. They can't dump this fluid overboard, there's no way to 'treat' it onboard, so it has to go to shore to be disposed of after having been made environmentally safe. Plus available mudpit space is limited.
So the time duration of the initial 'cleanup' is governed by numerous factors. Logistics, storage space, 'how clean is clean?' and so on.
Forget about timings. I don't know how long the DST will last. Maybe a week, maybe a fortnight. However long Hurricane needs to acquire as much data as possible is probably the overriding thing.
Everything's going as normally should be expected. Nothing 'hidden' should be read into the RNS. I think it was good of the company to issue it, but I guess they had to, confirming the speculative rumours that the photos were OUR rig on OUR well; during the weekend. It may seem unprecedented, but of course they didn't have to do that for Warwick Deep, because there wasn't any flare! And the preceeding 'attempt' was at Halifax, where there was no other oilfield infrastructure in the vicinity with people on the lookout anyway.
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