Baduila wrote:My calculations are based on the 2nd law. The 2nd law is always valid.
I agree with you, the 2nd Law is always valid. Your misinterpretation of its principles in a system you do not even partially understand is the problem.
Baduila wrote:So i must believe, the calculation is valid too.
I don't question your calculations, I almost never do that to theorists. I question every scintilla of your proper application to the system under discussion.
What happens to the temperature INSIDE THE OVEN when you insert a cold rock Baduilla? Does the oven using an external energy source mean that your thermodynamic problem is a closed system, or a open/dynamic one? Why does the temperature gradient EXIST in the first place? Are you familiar with heat generation through radioactive decay, and the principle forces that govern the geology and tectonic underpinnings of the very ground upon which you stand?
Do you understand that a bucket of cold water thrown on a stream of magma doesn't phase the operation and direction of the magma in the least, even if you could measure an infinitesimal change in surface temperature on 1 square inch of that surface?
Baduilla wrote:You see, it it not sufficient to measure the reservoir temperature, the measurement must be done in the right way.
Please show the thermodynamic calculations (as you do seem to like them) for the amount of energy absorbed by the water as it is warmed by the thermal mass around it (thereby reducing the temperature of the formation). Then, account for the specific heat and thermal conductivity and mass of the rock (and accompanying fluids within the pore volume) making this possible. With the energy/mass relationship established, you can talk about 2 things, the energy content of the entire greater system of rock, and the energy content needed from that system to constantly warm up the water. Once you have that difference, then you can run the same calculation on the rock surrounding the specific formation, and figure out that difference. . Continue this process a few more steps and presto....you discover at the heart of it all...there is an oven pumping heat into the entire system making it possible. You will also discover things already known. Rock is a good insulator. There is a volume of water that sooner or later MIGHT change the specific formation temperature that would be discernable on a temperature log, and if you continue this exercise you will discover that this POSSIBLE change in temperature will not bother the ability to recover oil or natural gas in the least. Straight up, simple physics, figured out by the folks who wrote "Applied Petroleum Reservoir Engineering" B.C. Craft and M.F. Hawkins from Louisiana State University published by Prentice-Hall, Inc. in Englewood Cliffs NJ Copyrighted in 1959 First Edition, as you seem to like textbooks, and when you've got your physics right, you don't need the newest version of anything.
Baduilla wrote:The pity is, that the huge amounts of energy, consumed during oil production, can’t be measured directly.
It can. Just not at the global level. I can quantify every barrel of product coming out of a well I've drilled and completed, and every product put down the hole to make that production possible, and all the ancillary fuels and solvents and manpower to manage all of this, but just because I have all of it DOESN'T mean I care, as it isn't relevant to the driving motivation force of producing oil and gas.
This means that, like you, when we discuss these topics, even knowing and having information on every component of MY system, I can't assume that the next operator over the hill, or with different geologic and operational conditions, will be the same. And presto...we are now back to generalizations.
Baduilla wrote: I use two indirect methods: price of oil (daily) and number of car sales (monthly). Both methods tell me since years, that my calculation is correct.
I don't dispute your calculation, as I said, I don't tend to need to with theorists. But you are bonkers if you believe that CAR sales has anything to do with the effort (energy or money) that goes into the decision making process to explore for, the drilling, completion, production and duration of said production of an oil and gas producing well.
Price however factors into all of this, but in different ways based on where you are in the sequence.
Plant Thu 27 Jul 2023 "Personally I think the IEA is exactly right when they predict peak oil in the 2020s, especially because it matches my own predictions."
Plant Wed 11 Apr 2007 "I think Deffeyes might have nailed it, and we are just past the overall peak in oil production. (Thanksgiving 2005)"