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Michael Lynch - Disputing Peak Oil

General discussions of the systemic, societal and civilisational effects of depletion.

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Unread postby johnmarkos » Mon 18 Apr 2005, 13:37:26

I notice that Mike Lynch has been posting on the energyresources Yahoo! group lately. This could be a good place to observe (and participate if you follow the guidelines of the group) in a constructive and interesting debate.

After re-reading Lynch's paper, The New Pessimism about Petroleum Resources: Debunking the Hubbert Model (and Hubbert Modelers), and noticing the following conclusion,

Michael C. Lynch wrote:The result has been exactly as predicted in Lynch (1996) for this method: a series of predictions of near-term peak and decline, which have had to be repeatedly revised upwards and into the future. So much so as to suggest that the authors themselves are providing evidence that oil resources are under no strain, but increasing faster than consumption!


I would not characterize Lynch as denying PO entirely or denying that conventional oil is a finite resource. He merely disputes the claims by Deffeyes, Campbell, and others that PO will arrive very soon, i.e., within five or ten years. I would put him with Peter Odell in the "PO later" category. Both Odell and Lynch have hinted that later might be about thirty years from now.
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Reply from Mike Lynch

Unread postby spike » Mon 18 Jul 2005, 17:16:53

Hi, guys, I'm sorry if I have been neglecting you. The board sent me a kind invitation to join, but then I got swamped with travel, etc. (For some odd reason, everyone is interested in oil these days.)

My interpretation of high oil prices right now is that investors (mutual funds, etc.) are pouring money into commodity index funds, thinking a) that market tightness could be coupled with new supply disruptions and b) longer term, capacity can't be replaced. Since oil production has been rising sharply the past 2 years, it is hard to see how geology can be driving high oil prices. (Capacity constraints are another matter.)

Hubbert modeling, to my thinking, is curve-fitting, nearly the same as trying to find an equation that fits automobile production, the stock market, etc. Lots of things fit S-curves, bell curves, and so forth, but it doesn't mean that they are predictive.

Modeling oil production at the global level is, most of the time, a question of modeling oil consumption. In the end, you need to consider, in a general way, the resource base for an area and what is required to replace production and/or increase it (or not). Prices and government policy play a major role in that, country by country.

I hope this is coherent.
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Unread postby Dezakin » Mon 18 Jul 2005, 19:38:03

What is that guy on ? (apart from maybe an oil company pay-roll)


Why would it be in the interest of an oil company to discredit peak oil to keep the oil price low? Wouldn't it be more rational (if unethical) to insist the peak is actually going to be here any day now (just not our fields) to keep prices artificially high on speculation and fatten profits?
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Unread postby EnergySpin » Mon 18 Jul 2005, 19:55:42

JoeW wrote:
1) Initial production of conventional oil was 0, and final oil production will be 0, since there is a finite amount of oil to extract.
2) Annual production in between the initial and final numbers will be a positive number, and if you made a graph where the x-axis is the year and the y-axis is that year's production, the area under the resultant curve--whatever shape it may be--would be the ultimately recoverable oil.
3) Somewhere on the curve--again, whatever shape it happens to be--there will be a peak year for production. That peak year could be 2004 if some major cataclysm destroys all humanity in 2005, in which event the peak would be defined not by geology, but by catastrophe.

Dude, you reminded me of my calculus day!
Actually Rolle's theorem from elementary functional analysis predicts a peak lol
Lets see if I remember it correctly 8O
Let f:[a,b]->R function differentiable in the closed interval [a,b]
If f[a]=f[b], then there is a c point where the first derivative of the function is equal to zero
But if a function is differentiable, and has a derivative equal to zero, then that point is an extremum (maximum or minimum)
So think of f as the production to date, its first derivative is the rate of production (i.e. how much they are pumping from the ground per unit time e.g. day). So what does that mean? That there is a point where the production will be maximum. Before that point, the production rate will de increasing, after that it will be decreasing till it goes to zero.
Come to think of it, it is not even college math, probably senior high math.
Not even an economist can beat both geology and math
:-D
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Unread postby EnergySpin » Mon 18 Jul 2005, 20:02:59

Modeling oil production at the global level is, most of the time, a question of modeling oil consumption. In the end, you need to consider, in a general way, the resource base for an area and what is required to replace production and/or increase it (or not). Prices and government policy play a major role in that, country by country.

Mr Lynch, some of us around here have been addressing those issues. Anyone with a computer and a decent fitting package can see WHY EIA modelling is absurd (had to say that, sorry) and how one can generate multiple compatible predictions. Having said that, shouldn't one adopt a play safe stance and assume that the Peak is here (even if it is not).
My position on using Non linear regression tools on the time series that BP published ... is that the peak is going to occur in this decade.
Simple mathematical arguments (i.e. peak production starts from zero, has to go down to zero, time is finite, production is a mathematically continuous curve) shows why a peak has to exist.
BTW most of the modeling approaches (even the ones at ASPO) would have been thrown away if submitted in any decent medical journal (my field) due to statistical inadequaceis
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Unread postby khebab » Mon 18 Jul 2005, 21:25:30

What we know:
- world production is a sum of individual field productions;
- once a field goes into depletion there is no way back
- new oil fields are small in size
- discoveries have peaked in the 80s;
- reserve growth is going flat since 2003;
- reserve growth is mainly on paper (few appraisal wells)
- demand is growing rapidly
We don't need to do any curve fitting to see that we may have a problem!
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Unread postby EnergySpin » Mon 18 Jul 2005, 21:49:09

Hey khebab,
Did I get the right theorem?
Is it Rolle's, or the extreme value the one that guarantees a peak? :lol:
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Unread postby khebab » Mon 18 Jul 2005, 22:48:14

EnergySpin wrote:Hey khebab,
Did I get the right theorem?
Is it Rolle's, or the extreme value the one that guarantees a peak? :lol:

You're quit right, a more general form is the Mean Value Theorem:

If f (x) is a differentiable function with a continuous derivative and if a < b are any two points then there is a point c between a and b at which:
f'(c)= (f(b) - f(a)) / (b - a)
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Unread postby EnergySpin » Mon 18 Jul 2005, 22:59:32

Doesn't it say at least one point?
Guarantees at least ONE maximum, maybe more but totally rules out a plateau as some of the economists think. It is due to the finite nature of oil. Builds up and declines.
So from a mathematical standpoint the following are the only possible outcomes:
1) Single Peak
2) Multiple Peaks (but with decline)
3) A plateau and decline
If there is no break in consumption due to high prices .... single peak, otherwise a multiple small peaks and then nose dive.
There is no way the no-sayers can refute that. They can try by saying that the production is not continuous, singly differentiable ... but this is stupid. Oil is liquid and it flows and at first approximation the flow is laminar hence differentiable :roll:
Why hasn't anyone thought about this before? (I only thought about when I read the initial post, it clicked memories from the 1 st day out of High School :razz:
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Unread postby nero » Mon 18 Jul 2005, 23:34:53

spike wrote:Hubbert modeling, to my thinking, is curve-fitting, nearly the same as trying to find an equation that fits automobile production, the stock market, etc. Lots of things fit S-curves, bell curves, and so forth, but it doesn't mean that they are predictive.


I would tend to agree with you that it is curve fitting, or in other words an empirical prediction. However empirical predictions are not bad things, if they're all you've got, they're better than nothing. There are however, fundamental differences between a hubbert curve and empirically predicting the stock market. Efficient markets (which stock markets aim to be) are inherently unpredictable. You cannot say the same thing about oil production.

Modeling oil production at the global level is, most of the time, a question of modeling oil consumption. In the end, you need to consider, in a general way, the resource base for an area and what is required to replace production and/or increase it (or not). Prices and government policy play a major role in that, country by country.


Of course modelling production is the equivalent of modeling consumption and vise versa. That is basically saying that when production starts decreasing, there will either be demand destruction and or higher prices. It certainly doesn't mean that we will always find the oil necessary to meet future predicted demand at current prices.
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Miscellaneous points

Unread postby spike » Tue 19 Jul 2005, 17:26:41

The suggestion that I'm on an oil company payroll is entertaining; many of the pessimistic views come from people with oil company support. Matt Simmons comes to mind. And some oil companies seem to disagree with me, in whole or part (Exxon, Total).


As I pointed out in my article in Quarterly Review of Economics and Finance (and elsewhere), NONE OF THE MODELS HAS A GOOD RATE OF SUCCESS. Investment data is poor, drilling data is poor, field size data is uncertain. Neither volumetric, engineering or economic models work very well.

Production has to start at zero and end at zero, but that tells us nothing about the shape of the curve in between. In fact, Hubbert admitted that himself. You can (and often do) have multiple peaks, sharp peaks, long rising or falling plateaus, etc. Depends on how you define the region, first, but also geologic, geographical, political and economic factors. The ASPO models, Laherrere's creaming curves, Deffeyes' curve do not factor that in.

Khebab, most of your comments are wrong or irrelevant. There is no sign that reserve growth is dropping, reserve additions are replacing production, and fields (and regions) can decline and then recover, happens quite often.

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reserve growth from smiley

Unread postby spike » Tue 19 Jul 2005, 17:28:29

What makes you thing reserve growth has been falling for 30 years?
Mike Lynch


smiley wrote:
I can find no way to justify such an assumption. Reserve growth has been falling for the past 30 years. I can see no reason why that trend will suddenly be reversed.
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Re: Michael Lynch - Disputing Peak Oi

Unread postby spike » Tue 19 Jul 2005, 17:33:48

Actually, you misquote me, I didn't say 'new physical laws' but they are claiming to have developed methods such as the creaming curve and parabolic fractals (new methods, or improved applications) that have given estimates of URR that are stable and robust. That is my dispute.
Mike

pilferage wrote:
The many inconsistencies and errors, along with the ignorance of most prior research, indicates that the current school of Hubbert modelers have not discovered new, earth-shaking results but rather joined the large crowd of those who have found that large bodies of data often yield particular shapes, from which they attempt to divine physical laws.

There is no attempt at 'finding' new physical laws, the modelers are attempting to make a rough estimate concerning the date of the Earth's peak in oil extraction.

The work of the Hubbert modelers has proven to be incorrect in theory, and based heavily on assumptions that the available evidence shows to be wrong.

The work of those modeling this is fundamentally sound, stating it isn't implies there is an infinite supply of oil readily available, and since (to the best of my knowledge) the earth isn't inifinite, any subset of the earth isn't infinite either.
As per the assumptions, they must be refuted on a case by case basis, simply stating they're wrong is analogous to a proof using the vaunted ISS (I Said So) theorem! ;)

You again misrepresent what I say. I argue that their methods of estimating URR are incorrect, that there is no evidence that we are close to half of the URR being produced (and thus a supply-driven peak). I do not imply that there is an infinite amount of oil available.
Mike


They have repeatedly misinterpreted political and economic effects as reflecting geological constraints, and misunderstood the causality underlying exploration, discovery and production.

Who, what, why, where, and how? Sounds like the ISS theorem strikes again!

Read their work. Campbell, Deffeyes, Bentley and others dismiss the notion that economics effects oil supply, implying that 'economists' think higher prices will increase the existence of oil in the earth. (They are often unclear in this as so many others.) Examples are rampant in their work, and I cited some of them in my article (quoted above).
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Unread postby FatherOfTwo » Tue 19 Jul 2005, 18:14:21

I disagree with many of your opinions, but thank-you for joining the discussion!
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Unread postby seahorse » Tue 19 Jul 2005, 20:27:48

Mike,

I and everyone here appreciate your input. Its absolutely critical that you participate in this debate. I would hope and ask that you go the the experts forum and look at my challenge questions to you and answer them. Though my intro is too personally harsh, it was intended to get a response from you to answer the questions. Hopefully, you will do so. Also:
(1) what is the explanation for the high oil prices right now? Is it pure speculation? Or, is it as SA says a "down stream" problem which, if so, seems it would take several years to get the necessary refineries built and put into operation;
(2) What was your take on Simmons recent book "Twilight in the Desert"?
(3) I would like to hear your take on the Hirsch report to the DOE about mitigating the effects of peak oil (February 2005);
(4) Recently, SA was quoted in the news as saying OPEC would be unable to meet IEA oil production forecast after the next 10-15 years. Do you believe this is the case and if so, does or should this change the IEA's forecasted peak date for world oil?
(5) Also, your take on the American natural gas issue would be much appreciated. Is North American natural gas peaking? If so, what is the estimated date of peak and will LNG terminals be in place in time to remedy the situation.

Thanks for being here.
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Unread postby Free » Tue 19 Jul 2005, 20:43:32

As somebody who can't contribute to this discussion but is highly interested in following it I can only agree, please listen to the dissenting voices and don't insult them!

If we claim to follow scientific guidelines we shouldn't look for affirmation of the theories we believe in, but for falsification! (Read Popper)

Because if there is, after profound assessment, only one conclusive evidence or logic which seems to make our models unfit for reality we should change or modify them instead of brushing the counter-arguments aside and only look for affirmation!

There seems to be the point of the rate of growth of reserves - surely it would be no problem to point to sources and figures in such a fundamental matter? If they are different, why so, and what does it come down to?

Also it has been mentioned that the general dissent is not so much IF we peak but rather WHEN? So after all we are in the same PO-boat anyway?
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Re: Miscellaneous points

Unread postby khebab » Tue 19 Jul 2005, 21:14:02

Welcome! It's good to have you on board!

spike wrote:There is no sign that reserve growth is dropping, reserve additions are replacing production


The world had 1,188.6 billion barrels of oil reserves at the end of 2004, compared to 1,188.3 billion at the end of 2003, BP, the world’s second largest oil firm by market capitalisation, said.

The 0.02 percent growth rate was the lowest since 1990 and compares with a 10-year average above 1.5 percent per annum.

src: BP says global oil reserves growth stalled in 2004
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Unread postby EnergySpin » Tue 19 Jul 2005, 21:21:32

The world had 1,188.6 billion barrels of oil reserves

How is reserve defined here? I.e. the URR or the ones that remain to be pumped out of the sand?
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Unread postby khebab » Tue 19 Jul 2005, 21:34:14

EnergySpin wrote:How is reserve defined here? I.e. the URR or the ones that remain to be pumped out of the sand?

URR= cumulative production + reserve
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Unread postby rockdoc123 » Tue 19 Jul 2005, 21:51:46

I found this nicely worded couple of paragraphs on an investment site written by a broker back in February....if you get past the fact he is "just a broker" I think he does a pretty good job of outlining what the main worries are with respect to reserve replacement

While supplies are gradually running out…

We believe that the market has failed to recognize the decreasing quality of oil reserve replacement as reported by the oil companies. Instead of replacing reserves with new discoveries, reserve replacement has instead come from counting, today, exploration barrels discovered decades ago. In addition to the historic exploration component, the technology element is also important, as we have been able to recover more barrels from these existing fields. This, also, has in turn led to increasing reserves – reserve additions that will not be sustained, as recovery expectations for new fields are already higher. We consider both the Exploration and the Technology elements in what follows.

Exploration
Consider. Oil companies have not replaced production with exploration-related barrels since the early 1980s . In fact, the peak performance in discovering new fields was in the early 1960s . Of the world’s top 20 fields, only one, the Kashagan Field in Kazakhstan, was discovered in the last ten years.

The oil industry has always tended to find the largest fields first, simply because these structures are more visible on seismic surveys. Oil companies found more than they could produce from the 1950s to the early 1980s. The oil companies sat on these exploration finds, only moving them forward to development when they were needed. In between, they waited for extraction technologies to improve and for the oil consumption demand to develop.

The reserve booking process only allows exploration finds to be recognized when a field is deemed commercial (usually when the decision is taken to develop that field), so oil companies have been able to live off their inventories of past exploration successes. Unfortunately, much of the remaining inventory of exploration finds is composed of heavier or sour crudes, a lower quality feedstock that the industry cannot adequately process without complex refining capacity, which is already fully utilized.

The fact that the industry has found the majority of the large, higher quality fields means that, even with technology increasing the find rates, the volumes of useable oil found per well and in total each year are decreasing, just as demand is increasing. As such, and unlike some have suggested, increasing investment in exploration will not result in appreciable new supplies.


I think he has captured much of the desperation I hear in my colleagues voices when they talk about the paucity of good exploration opportunities, the ever increasing F & D costs in places like North America and UK North Sea, West Africa etc. The movement of P3 reserves to P2 can only keep us afloat for so long....I can't help thinking that in a lot of the big fields around the world we are getting to the limit of technology when it comes to increasing recovery economically....even at 60/bbl.
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