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I'd like some clarification on the West Newton odour.
As we all wait with baited breath for the West Newton EWT many investors will be familiar will be familiar with the West Newton ‘odour’ and shut-down of the original attempt to test the well, followed by the Environment Agency investigation.
What went wrong? The reports from residents were consistent with the effects of hydrogen sulphide and it would not be the first time. The Knapton Gasfield is 1000 ppm H2S and it needed a desulpurisation plant to bring it to NTS specs. And anyone remember Moorland Energy’s H2S-laden gas discovery? This list of smelly projects goes on, all with levels of H2S ranging from dangerous to lethal. It's very common in shallow, Zechstein reservoirs in Netherlands. But it can be dealt with, at considerable cost and regulation.
Being relatively shallow, natural gas in the Zechstein reservoir at West Newton is subject to biodegradation where bacteria can survive below 70 degrees centigrade and set the following chemical reaction in train.
CaSO4 + CH4 -> H2S + H2O + CaCO3 + heat
CaSO4 is anhydrite, of which there is a lot in the Zechstein sequence and CH4 is methane.
Some H2S combines with water to form sulfuric acid (H2SO4) and the rest stays in the gas phase. The CaCO3 is calcium carbonate and is precipitated in the reservoir pores to reduce matrix permeability.
The inclusion of a H2S scavenger in the EWT is a bit of a give-away.
Hi Exploration. I'm sure you mean the smell at WN, and not on this board. I realise there's H2S in the Zechstein in many places, but it I believe it only smells of bad eggs when it's in quite small amounts. If it's about to kill you it's usually impossible to smell it, or you'd probably run pretty fast! However, I'm wondering if it might be a mercaptan compound. These also contain sulphur and have an unpleasant rotting cabbage / dirty socks kind of smell. While unpleasant, it's not toxic in small amounts. There was a - possibly apocryphal - story about a complaint made to the EA about the smell during the WN A-2 operations. The complainant said they had to keep their windows shut to avoid it but the EA's investigator advised keeping their windows open to let the stale smell in the house out. Surely that can't be true?
From my experience the 'keep it in the ground brigade' will fabricate anything to cast doubt on a drilling operation. All they need is the EA to investigate and someone to run with it on the bulletin boards and they've achieved something, pathetic as it may seem.
I believe the EA found nothing of concern at the time. I thought it was WNA-1, not 2?
GP
I thought at the time the advice to ‘open the windows’ was strange. I’ve been trained to put on a respirator and run away as far as possible (upwind) from the well! The Tengiz sulphur mountain from de-sulphurising the oil and gas is quite a sight with 23% H2S!
https://www.researchgate.net/figure/Sulfur-storage-at-the-TengizChevroil_fig1_255209881
Meanwhile, here’s the official story showing how the human nose is ultra-sensitive down to 0.02 ppm.
https://oem.bmj.com/content/60/4/308
Air Concentration: Physiological Response
1,000-2,000 ppm: Loss of consciousness and possible death
100-1,000 ppm: Serious respiratory, central nervous, and cardiovascular system effects
150-200 ppm: Olfactory fatigue (sense of smell is significantly impaired)
100 ppm: Immediately Dangerous to Life and Health (IDLH concentration)
5-30 ppm: Moderate irritation of the eyes
5-10 ppm: Relatively minor metabolic changes in exercising individuals during short-term exposures
Less than 5 ppm: Metabolic changes observed in exercising individuals, but not clinically significant
5 ppm: Increase in anxiety symptoms (single exposure)
5 ppm: Start of the dose-response curve (short-term exposure)
0.032-0.02 ppm: Olfactory threshold (begin to smell)
My god, whatever next!
Quick, I must sell all my shares because Exploration says (does not know, but says) there is H2S in the gas at WN-2.
I think krull had it about right the other day when he said that only good shares tend to have regular trolls and de-rampers on their BB's. It is quite something to behold.
Do you think, Exploration, that the corporate investors involved in the £24 million raise might have been aware of any of this supposed sulphur when presented with the drill findings? Hmmm Do you?
Whatever next. I guess you might be familiar with persimmon. So apart from the obviously very good well results and the huge potential of the coming drills and EWT we have:
Californian de-commissioning
CEO wages
Overhang shares
and now H2S
Surely you can do better
Rubey,
It’s not casting doubt - it’s a petroleum engineering question about gas processing. Engineers can solve almost any problem, but it costs money.
Costain is Uk’s leader in treating sour gas - but they don’t work for free and anyone on this bulletin board who thinks raw West Newton gas can go straight into the NTS at NPB prices had better do some homework.
https://www.costain.com/solutions/case-studies/sse-knapton-power-project/
Exploration, just because some crusty said they could smell something horrible I can't see the point in wasting time discussing it as though it were true. It was investigated by the EA and proven to be fake. It was probably the crusty's armpits anyway.
do you know the gas is 'sour' at WN Exploration?
BlackHopper
So I suppose you'd recommend doing away with the H2S scrubber in the forthcoming test. Get real, look at UK, Netherlands, German and Polish analogues for H2S inZechstein gas. It's nothing to be concerned about and is easy to process.
In my experience City types don't do geochemistry or geological research of any kind. Maybe that's why we've drilled 2 dry wells with Corallian, can't flow a well in Romania and ?is that gas well in California @<2/mcf?
The EA came and did their work. nothing obnoxious to report.
Most likely the unwashed tree huggers were getting a good whiff of themselves
What's this other rumour I hear, that all the hedgehogs within a five radius of West newton are wearing gas masks?
That was government guild lines directed at the hedge hogs to avoid covid 19
So Exploration, you don't know if or how much H2S is in the WN-A2 well flow do you?
Simple answer please
guidelines even, LOL
Exploration. Just to follow on, I assume given your concerns about the sulphur content of the gas at WN, you accept that there is gas and it flows. Why would you bring up H2S when previously you were questioning the ability of the reservoir to flow hydrocarbons in the first place?
Putting these things together, one would assume you are not invested as you appear to have doubts about RBD.
So, being you are not invested, you seem to be spending a lot of your valuable time on here posting links. I am a Chemist and I do find these things interesting. However, common sense tells me that a load of 'City Boys' are not going to want to lose £24 million quid. whatever you say about 'them'. Infact, you just come over as a snooty geologist, if that is indeed what you are.
It's interesting to read all the negative posts that are appearing here over the weeks leading to B1 spud and A2 EWT. It shows very clearly what people will do to try to sow doubt in investors minds.
We, none of us, know precisely the outcome of the A2 well test. nor have we seen the data that led to last year's very significant £24 million pound raise and investment, largely in WN but also in Parta, Romania. None of us know the outcome of the B drills to come.
However, i do not think that the range of corporate clients holding stock in RBD are here because they think it is all bad. They obviously feel there is money to be made here. If you do not, why not take a walk.
And, by the way, I was not invested in RBD when the Corallion drills were done, but RBD didn't do those drills, Corallion did.
The situation in Romania is by the sounds of it typical for the region. ADX look like a very sound outfit and you can bet they will be applying info from IMIC-1 to their approach to IMIC-2. I expect they will have well 1 flowing before too long.
You can hand over the baton to persimmon now as he has popped up with some more childish rubbish....
Thanks Blackhopper - all I asked was a question to RBD about H2S. Obviously it would be great news if they confirm there is none, and therefore the WN project is more valuable.
But it provoked an emotional reaction from other posters - sorry about that. I'll shut up until the EWT results are announced.
I rather like ADX and their approach, but they're up against a real challenge in the tight gas zone of the Panonnian Basin, so good luck there.
You didn't mention California. Maybe I should call Dero Parker who seems to be operator?
"Removal of acidic gases from sour gas is a costly operation, and the size and cost of the separation depend upon the amount of gas that needs to be separated. Thus, the huge cost associated with equipment and separation process seems to be the major constraint for the sour gas market"
Exploration........love your last sentence, you've obviously done your homework and due diligence with that remark.
Persimmon, your last post seems to back up BlackHopper's point perfectly.
Lets reign in the necks here, exploration has put a subject out there and provided links for discussion. He has promoted debate and there is nothing wrong with that in my eyes even if he is wide of the mark to some more knowledgeable posters at least he added substance to his potentially negative view so it could be challenged. I don't think it's wright to shout someone down who adds an opinion this way he may have a valid and reasonable insight or question in the future and I would prefer he had the confidence to share his concern here and seek others thoughts than just not bother due to the fact he gets a negative reaction every time he posts. Anyway I will get off the soap box now lol
Rubey,,,,give me common sense over intelligence every day of the week. Common sense gives you an added dimension which intelligence does not. That being an instinct to sniff out when some ventures seem too good to be true.
But hey it's only my opinion after all. G.L.
ttaa, tbh persimmon was clearly close to orgasm when highlighting Exploration's perfectly worded seed of doubt. Personally I find them both equally untrustworthy, but Exploration has the edge when it comes to intelligent deramping.
Soon jumped onboard with the gas smell.
Why is persimmon here, simple , he’s a c..t.
artyth, I think he's more of a .un.
Or maybe both.
Rubey, I'm not sure how much you know about orgasm's but you certainly need to clue up on organism's.
Don’t be mad at Persimmon: he’s here by mistake.
If no one had mentioned ‘orgasms’ and ‘harmful gas‘, Persimmon’s Google search would have led him to his intended destination.
This is all of your faults.