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Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/EROEI — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
890 videos foundNext > 

Energy Investment - Energy Return

Peak Moment 136: In his presentation at the ASPO-USA 2008 conference, independent financial consultant Jim Hansen runs every investment through the peak oil ...

Peak Oil & EROEI Denial (the "Shale Arabia" myth, part 1)

Here's an explanation of why net-energy aka EROEI (energy returned on energy invested) debunks wild claims of "energy independence" from U.S. shale deposits ...

Tight Oil Squeeze ("Drill, Baby, Drill" ignores declining EROEI)

Extracting "tight oil" is a bit like squeezing a wrung-out sponge with more force to get less water. Gripping a sponge tighter will not fill it back up, but ...

Peak Oil & EROEI Denial the Shale Arabia myth, part 2123

Peak Oil: EROEI or Net Energy

Website: http://MrEnergyCzar.com EROEI or Energy Returned on Energy Invested is important to understand when discussing Peak Oil. Net Energy or EROEI is what...

my documentary: sq2/clip2 - EROEI

Scene from my animated film about oil, energy, resource depletion & growth: http://www.youtube.com/watch?v=VOMWzjrRiBg A short sequence that demonstrates the...

EROEI: energia ricavata su energia consumata

http://www.aspoitalia.it/ http://it.wikipedia.org/wiki/Ritorno_energetico_sull'investimento_energetico È chiaro e palese che io non sono contro anzi sono a f...

Peak Oil Postponed? - Charles A. S. Hall

Professor Charles A. S. Hall speaks of his concept "Energy Return on Investment" (EROI) at a seminar arranged by think tank Global Challenge in Stockholm.

Myth: The World is Running Out of Oil (Peak Oil Theory)

20/20 John Stossle makes the case that the peak oil theory is a Myth. We have enough oil and other carbon based fuels for hundreds of years. ----------------...

Crash Course: Chapter 17b - Energy Budgeting by Chris Martenson

Chapter 17b - Energy Budgeting: Petroleum has supplied the surplus energy that has allowed for social complexity, industrialization, and the modern convenien...

890 videos foundNext > 

96 news items

 
OpEdNews
Thu, 21 Aug 2014 08:56:15 -0700

Furthermore, even in the case of conventional oil production, the energy return on energy invested (EROEI) in extraction has been decreasing over time, implying that a given amount of final liquid fuel energy (mainly for transportation, but in some ...
 
OpEdNews
Mon, 04 Aug 2014 07:01:35 -0700

Oil half a century ago had an energy returned on energy invested (EROEI) of about 100 to 1. That is, one barrel equivalent of energy would produce 100 of oil. Now, this is only about 10:1 and declining fast. For the much hyped oil sands and the "tight ...

The Market Oracle

The Market Oracle
Tue, 29 Jul 2014 13:03:45 -0700

Propaganda and storylines about vast reserves and energy independence fail to acknowledge the concept of Energy Returned on Energy Invested (EROEI). Once it requires investing more than one barrel of oil in energy to extract one barrel of oil, the game ...

TheBull.com.au

TheBull.com.au
Sun, 27 Jul 2014 03:41:48 -0700

Many people when looking at future oil supply concern themselves with the amount of reserves (or resources) remaining, or perhaps Energy Return on Energy Invested (EROEI). None of these is really the right limit, however. The limiting factor is how ...

The Coast Halifax (blog)

The Coast Halifax (blog)
Wed, 06 Aug 2014 21:17:16 -0700

Though it's highly situational, and the field of study is fairly new, the average EROEI for shale gas is five-to-one. That's a few points lower than the ratio championed by industry, and about on par with the tar sands, and of course far below the ...
 
Energy Collective
Thu, 24 Jul 2014 20:11:20 -0700

Many people when looking at future oil supply concern themselves with the amount of reserves (or resources) remaining, or perhaps Energy Return on Energy Invested (EROEI). None of these is really the right limit, however. The limiting factor is how ...

Bernardinai.lt

Bernardinai.lt
Sat, 02 Aug 2014 04:11:43 -0700

Šiais laikais yra laikoma, kad EROEI esant tarp 6,25:1 ir 12,5:1 rimtos problemos kyla net ir neindustrinėms bendruomenėms. Jei visa ekonomika būtų pastatyta ant skalūnų naftos ar dujų, tai tokiu atveju energijos sąnaudos energijos gavybai siektų 17 proc.
 
Telepolis
Sat, 26 Jul 2014 15:23:10 -0700

Dieses Phänomen steigenden Aufwandes bei schrumpfenden Energieerträgen wird in der Peak-Oil-Diskussion mit dem Kürzel ERoEI diskutiert: Energy Return on Energy Invested. ERoEI besagt, wieviel Energie in die Förderung einer Energieeinheit ...
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