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310 comments on DrumBeat: August 9, 2006

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yashko on August 9, 2006 - 11:01am Permalink | Subthread | Parent | Comments top
My sense is that Colin Campbell does not have as good a handle on gas liquids as he does on crude oil. BTW, I don't have any better idea about gas liquids. The gas liquids numbers in the newsletter have flopped around a fair amount over the past few years, without much in the way of explanation.

Given the amount of stranded gas out there, and the various economics regarding recovering it and, possibly, converting it into diesel via FT process, the gas liquids number is always going to be subject to WAG's, until the technology settles down a bit.

Note that the NGL numbers however make no meaningful difference in the timing of the peak or the shape of hte slope.

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Khebab on August 9, 2006 - 12:47pm Permalink | Subthread | Parent | Comments top
I don't understand the rounding value, by definition it should be around +/-1, why -25? it should not be called "rounding value" but "number added to get the URR we want"!
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yashko on August 9, 2006 - 1:08pm Permalink | Subthread | Parent | Comments top
Maybe the rounding number is "one-third of the increase in NGL's," or "approximately one standard deviation for our WAG on NGL's." I know Colin Campbell is trying to be helpful by including gas in his chart and calculations, but I think it is misleading-- we simply can't chart gas the same way we chart oil.

Who knows what amount of gas was flared in the past? A Hubbert linearization doesn't work for gas, and won't, imho, until we are about one-third of the way down the slope for gas.  There is not the same time lag between discovery and production, or the same depletion rates. Just take the gas out of the chart, already, and go back to crude.

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Comp Lex on August 9, 2006 - 3:57pm Permalink | Subthread | Parent | Comments top
What does work for gas?
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alan on August 9, 2006 - 2:46pm Permalink | Subthread | Parent | Comments top
Adding all the numbers is that column gives me 2525 Gb. I assume by rounding this number off he is acknowledging that his estimates should not be considered accurate to more than two significant figures.
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