Abiotic oil theory vs fossil fuel theory

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Discussion Overview

The discussion centers on the debate between abiotic oil theory and fossil fuel theory, exploring the origins of oil, the feasibility of abiotic oil production, and the implications of geological findings on these theories. Participants examine the current academic status of these theories, the challenges of studying deep Earth processes, and the evidence supporting or refuting each perspective.

Discussion Character

  • Debate/contested
  • Exploratory
  • Technical explanation

Main Points Raised

  • Some participants question whether the debate between abiotic and biotic oil theories has reached a conclusion in academia, noting the difficulty in monitoring deep Earth processes.
  • One participant asserts that all oil mined thus far is biotic in origin, citing extensive research on hydrocarbon evolution.
  • Another participant suggests that even if abiotic oil exists, the energy costs of drilling would outweigh the benefits, and attempts to synthesize oil abiotically would likely be unproductive.
  • There is mention of a component of the abiotic theory that suggests oil could seep from deep underground to replenish existing deposits, although this is met with skepticism regarding the practicality of such replenishment.
  • Participants discuss two schools of thought within the abiotic oil theory: one posits that replenishment is too slow to be useful, while the other claims it can keep pace with or exceed withdrawal rates, particularly involving methane and light oil.
  • Concerns are raised about the hydraulic conductivity of deep rock, suggesting that replenishment of oil reservoirs would be an expensive process.
  • Questions are posed regarding the discovery of oil at depths of 30,000 feet where organic matter is not found below 16,000 feet, challenging the fossil fuel theory.
  • One participant provides geological context for deep oil deposits, linking them to sedimentary processes and historical geological events.

Areas of Agreement / Disagreement

Participants express differing views on the validity of abiotic oil theory versus fossil fuel theory, with no consensus reached on the origins of oil or the feasibility of abiotic oil production. Multiple competing perspectives remain throughout the discussion.

Contextual Notes

The discussion highlights limitations in understanding deep Earth processes and the challenges in obtaining definitive evidence for either theory. The reliance on geological findings and the interpretation of sedimentary processes are noted as areas of complexity.

Guts
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So I'm starting to read up on some of this stuff on the internet but most the argument counterargument seems to be from the same sources Gold vs peak oil theorist. Is this debate so far concluded in academics that no research is being published in journals? What is the curret status of the abiotic oil theory? I realize that the subject matter is hard to study since we can't reliably monitor what's going on deep with in the Earth as far as I know. So are we going to have to wait several decades for proof/disproof or do we have enough evidence from what comes out of the ground to end the debate?
 
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Sorry, I'm lazy, can you sum up what you know about the 'abiotic oil theory' for me.

All the oil that has been successfully mined thus far, is to my knowledge, biotic in origin. In fact a lot of research has gone into this, I'd go as far as to say, that hydrocarbon evolution has been very well researched indeed!

With the state of science today, we can say with confidence that oil is not formed in the deep earth; even though it is true that the deep Earth is extremely difficult to monitor, this should not be a factor concerning us. Even if it is in the deep Earth (highly improbable!) the energy expended in drilling for it would exceed the energy returned by the oil itself. Also trying to make oil abiotically ourselves would probably be a similarly fruitless endeavour.
 
billiards said:
Even if it is in the deep Earth (highly improbable!) the energy expended in drilling for it would exceed the energy returned by the oil itself.

Not saying the theory is true but, from what I recall, part of the theory has the abiotic oil seeping from deep underground and replenishing existing deposits.
 
Even if that were true the hydraulic conductivity of deep rock and oil is quite low, low enough to make waiting for the reservoir to replenish an expensive process.
 
There are two schools of thought among those who hold the abiotic oil theory, one school thinks that replenishment is too slow to be of any use, while the other claims replenishment that keeps pace with, or even outpaces, withdrawl. From what I've read, claims about rapid replenishment involve methane and light oil through fault lines in sedimentary rock. However, much of the replenishment numbers seem to have been debunked by further studies. Here is a basic paper on the issue with good references.

http://www.energybulletin.net/2423.html
 
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If oil comes only from fossil fuel, then why is oil being found at 30,000 feet, and organic matter isn't found below 16,000 feet?.
Just asking.
 
gaveupontv said:
If oil comes only from fossil fuel, then why is oil being found at 30,000 feet, and organic matter isn't found below 16,000 feet?.
Just asking.
A lot of the really deep oil is in sedimentry basins where there has been tens and hundreds of millions of years of sedimentry deposits from outflowing rivers. For example a lot of the very deep stuff in the gulf of Mexico basicaly has the Appalachians lying on top of it. Since they rose they have been being weathered and that sediment has been flowing out to the Mississipi delta. This has left the GOM with a huge amount of sediment where the weight of it pushes the older layers deeper into the crust.

I can't speak for other very deep oil deposits such as Tupi\ Sugar Loaf in Brazil but this is linked to the break up of Africa and South American with mirroring deep water deposits of the coast of Angola.
 

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