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Permalink Reply by adubu on July 22, 2010 at 1:59

Les B and Baron----this is what has resulted in a lot of confusion is how the TRRC groups all of the shale into the "Carthage Haynesville Shale" Field as we see on the drilling permits in the east texas area. Many of the wells permitted as such are in truely drill in the Bossier Shale over here in Texas where in La. the majority of the wells are truely Haynesville Shale. Either congress legistrators or lawyers must have written these definitions.

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Permalink Reply by w.r. frank on July 22, 2010 at 2:22

As I said several days ago, you are confusing a field with a formation with an individual well. On this is superimposed a regulatory process that is designed to permit wells, further confused by formations being present or not present in both states and then being named differently compouned by O&G guys calling them different things.

If your original question was confined to the question of "stacked laterals", the answer is simply that there are no existing stacked laterals producing from "one" vertical well bore.

Permalink Reply by Les Bamburg on July 22, 2010 at 2:50

Adubu, I would say the majority of the wells drilled to date were Haynesville Shale in both Louisiana and Texas. Some confusion was created by most of the early wells in Texas being assigned to the "Carthage, North (Bossier Shale)" Field even though most would have been Haynesville Shale wells. Several other fields existed as follows but the TRRC has consolidated all into the "Carthage (Haynesville Shale)" Field.

Bossierville (Bossier Shale)
Beckville (Haynesville)
Center (Haynesville)
Waskom (Haynesville)

Permalink Reply by adubu on July 20, 2010 at 11:55

les B--- my understanding is that the cotton valley "group" is a combination of the upper Travis Peak (Hosston in La.) formation down thru the cotton valley sands formation to the base being the Bossier or haynesville shale formation -- ie these formations make up the group. The cotton valley group is made up of Travis Peak sands formation, cotton valley sands, and the bossier/haynesville shale. Where is our geologist to come in and tells us what is correct. Les B if you have geology background my apology

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Permalink Reply by The_Baron on July 21, 2010 at 5:11

Does this help

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Permalink Reply by The_Baron on July 21, 2010 at 5:13

The Bossier is in the Cotton Valley group... while the Haynesville is in the Haynesville group. Deceidly they are two distinct formations...

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Permalink Reply by adubu on July 21, 2010 at 5:39

The_Baron---Are you for sure in this general stratigraphic column in East Texas that where it has "Bossier" this is inclusive of the complete shale formation ( upper, mid Bossier, and lower(Haynesville)shale and below that is Cotton Valley Lime aka Haynesville Lime and this is what has confused a lots of people??? Yes the Bossier is in the Cotton Valley Group which I thinks include the Haynesville Shale and the Haynesville Lime aka as Cotton Valley Lime in CV Lime group???

Permalink Reply by The_Baron on July 21, 2010 at 8:36

You are giving me a headache.

This is predominatly with LA terms, but the formations are pretty much the same. Unfortunatly the state line fault (which to avoid further confusion is an oild oil man's joke, ) causes some nomenclature diffrences.

But to be clear,

The Haynsville lime and shale are the SAME formation. There is also a Haynsville sand. The Haynseville is NOT named for the type of rock, but for its age.

The same goes for the Bosser.

The Cotton Valley is a little more complex, as it is a group of formations of similar ages.

In any case, The HA is below the CV

Permalink Reply by The_Baron on July 21, 2010 at 8:41

Permalink Reply by adubu on July 21, 2010 at 15:26

The_Baron---I am so sorry I gave you a headacre---I believe we are talking about same thing (as you say I am looking at Texas vs La.) the bossier and haynesville shale are either stacked with bossier on top of haynesville shale or just two formations married at the hip. The boosier extends much futher to the west into the Texas side than does the haynesville. The haynesville shale is located in between the bossier shale and the much deeper haynesville lime (aka cotton valley lime). So regardless my point and I am happy to see that Goodrich appears to be driling horizontal legs that will test both the upper-mid boosier shale and the haynesville shale in this so call SL wells in Shelby County. Are we on same page and do you agree with this. I'll be happy to send you some aspirin or aleve :)

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Permalink Reply by adubu on July 20, 2010 at 9:05

SB and Les B---I am excited to see Goodrich drill this well with stacked laterals maybe we get ideal of what commingled production from the full thickest of the upper, middle Bossier, plus Haynesville shale will flow and produce since this area is on edge of Haynesville but possible better Bossier per most of the "core maps"

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Permalink Reply by Les Bamburg on July 20, 2010 at 11:30

Adubu, Goodrich will drill two separate wells. "Stacked laterals" is a figuritive term so don't take it too literal.

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