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Permalink Reply by Ladyoaks on July 10, 2008 at 2:29

Interesting. So you are hearing that it is closer to 180Tcf? Any thoughts on reserves/well?

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Permalink Reply by Bobi Carr ("parker") on July 10, 2008 at 4:29

Could you possibly put this in laymans terms. I have heard the HS is supposed to be 5 times more gas that the Barnett. Do these figures suggest much more than that?

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Permalink Reply by Ladyoaks on July 10, 2008 at 4:52

Supposedly, the size of the Barnett Shale is in the range of 27 Trillion cubic feet of natural gas (Tcf). The Tristone report suggests that it may be 60 Trillion cubic feet. And Mineral411 is suggesting he has heard unsubstantiated number of approximately 180 trillion cubic feet. That would be HUGE! Not sure I can believe the 180, but we'll wait and see.

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Permalink Reply by Les Bamburg on July 10, 2008 at 4:59

Ladyoaks, the Tristone Report is slightly dated and does not reflect recent Chesapeake estimates of 250 Tcf in the 3.5 million acre core (Louisiana & Texas). This resource level would be 5 times the estimate of 50 Tcf for the Barnett Shale. Several companies have estimated resource levels at ~ 50 Bcf per section (640 acres) or about 6.5 Bcf per well based on 80 acre spacing.

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Permalink Reply by Bobi Carr ("parker") on July 10, 2008 at 5:12

Thank you for helping me to understand this better. As to the 6.5 Bcf per well estimate. Is this in the areas where they are saying the HS is thickest of an average over the whole play?

By what I understand the HS is supposed to be thicker in the area between Texas and LA (stonewall, keithville).

I hear that it is supposed to be 350 feet thick there and only 200 feet thick in Bossier.

Can you shed any light on this?

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Permalink Reply by Les Bamburg on July 10, 2008 at 5:18

The 6.5 Bcf value was given as average by Chesapeake and Petrohawk and would reflect the areas they have acreage which is generally 200 - 250' thick. EnCana has holdings futher south and may have a lower number. Comstock has quaoted 5.5 Bcf per well.

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Permalink Reply by Ladyoaks on July 10, 2008 at 5:46

Great. Very helpful and I am glad that I asked.

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Permalink Reply by pilgrim on July 10, 2008 at 5:49

What is the average life time of a well?

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Permalink Reply by Bobi Carr ("parker") on July 10, 2008 at 5:52

i've read on this site, 30 to 50 years.

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Permalink Reply by Les Bamburg on July 10, 2008 at 9:07

Pilgrim, as Parker stated some people have quoted 30 - 50 years. I believe 20 - 30 years may be more realistic but there has not been enough history of shale gas production to make a proper assessment of average well life.

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Permalink Reply by Bobi Carr ("parker") on July 10, 2008 at 5:51

I don't know how to enter this info into royalty calculator. Can someone do that just for fun on 1 acre.
THANKS

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Permalink Reply by Johnson on July 10, 2008 at 9:26

I'd be interested in the same info

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