Recent Petrohawk maps
I took a look at Petrohawk's maps from their presentation at the Barclays Capital CEO Energy-Power Conference on September 16. I have attempted to provide a link to the presentation below. Maybe someone who is more computer savvy than I am can post the maps. The presentation includes both Haynesville and Lower Bossier maps. Given the location of my mineral interests (mostly in the NW part of the county) I am much more interested in the Lower Bossier map on page 18 of the presentation.
I am wondering if anyone can help me interpret some of the features shown on the map. One would likely have to pull up the map for my questions to make sense. It appears to show intervals ranging from 0-5 to 20 or greater. Are these intended to denote the thickness of the shale in these areas? For instance does 10-15 indicate 100'-150' of shale thickness? I also realize that shale thickness is just one of several factors.
Also, the map contains blue numbers ranging from 0.2 to 36.7 or so. I can't discern any rhyme or reason to these numbers. Any help would be appreciated. They are much easier to read if you zoom in.
I found the map interesting because it appears to show quite a bit more detail than I have seen on most similar maps. To my untrained eye, it appears to make all of the county look promising, at least from a Lower Bossier standpoint. But, I'll be the first to admit that I really don't know what I am looking at.
I apologize for my inability to attach the map.
http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9Mzk2NjEw...
I am wondering if anyone can help me interpret some of the features shown on the map. One would likely have to pull up the map for my questions to make sense. It appears to show intervals ranging from 0-5 to 20 or greater. Are these intended to denote the thickness of the shale in these areas? For instance does 10-15 indicate 100'-150' of shale thickness? I also realize that shale thickness is just one of several factors.
Also, the map contains blue numbers ranging from 0.2 to 36.7 or so. I can't discern any rhyme or reason to these numbers. Any help would be appreciated. They are much easier to read if you zoom in.
I found the map interesting because it appears to show quite a bit more detail than I have seen on most similar maps. To my untrained eye, it appears to make all of the county look promising, at least from a Lower Bossier standpoint. But, I'll be the first to admit that I really don't know what I am looking at.
I apologize for my inability to attach the map.
http://phx.corporate-ir.net/External.File?item=UGFyZW50SUQ9Mzk2NjEw...
Views: 97
Replies to This Discussion
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Permalink Reply by Les Bamburg on -
Shelbyco, the Petrohawk maps represent porosity-thickness. So if a well logged 100 ft of net gas pay with an average porosity of 10% the porosity-thickness (Phi-H) would be 10. The blue numbers are values for particular wells.
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Permalink Reply by shelbyco on
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Les B, thank you very much for your response. Of course, with my new-found knowledge in hand, I have more questions. I am assuming that higher numbers for both thickness and porosity are generally better and, as a result, higher blue numbers are generally better than lower ones (although I am sure there are exceptions). I am just trying to get a feel for what this map means for NW and north-central Shelby County from a Bossier standpoint. I realize that at current gas prices, we may not see much development anytime soon. Long term, is there any reason for encouragement based on this map? Is there any way to estimate potential production based on this information or is more information needed?
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Permalink Reply by Bryan Brennion on
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I am attaching a pdf copy of the map.
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Petrohawk Map pg.18.pdf, 4.4 MB
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Permalink Reply by Les Bamburg on
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Shelbyco, I find a lot of encouragement from the map since it shows the Bossier Shale extending over a much larger area than any previous maps. North Shelby County definitely looks to be a good area for the Bossier Shale but need to see more actual well test results. In theory areas with similar Phi-H should have similar well production rates but other variables such as frac design and execution will cause variations.
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Permalink Reply by GoRicky on
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It looks to me like they are (as usual) drawing the map with a great deal of ignorance. If you go back and look at some of the early maps, they were WRONG. There are simply not enough modern wells drilled / logged in North Sabine Co. The "mapmakers" are under intense pressure to produce a map, usually influenced by where THEIR company has leases.
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