What is CHK looking for at 18,000 feet in Shelby County

They have completed drilling the Harvey #1, close to James community on HWY7 about half way between Center and Logansport. It is said they took core samples and did some other testing. This well took about 3 months to complete, due to the depth and taking of core samples. Shortly prior to completing this well they got permit for another 18,000 footer, the Carznava#1 about four miles west of the Harvey #1. It seems strange to me that they would go to the much greater expense of drilling another deep well unless they found something that piqued their interest.

If they found anything below the HS it would probably be in the Smackover, which has been a very prolific hydrocarbon producer, and would in all probably be very wet gas due to the temperatures and pressures involved which would probably be above the oil window. The interesting possibility would be below the Louann Salt. Conditions under the salt would be much cooler than above the salt and possibly above the oil window, this phenomenon is caused by the heat transference properties of salt which could lower the temperatures below the salt by 30C to 80C. Another question for you who are much smarter on these issues than I, How deep is the Louann in the Arklatex

Another item is XTO has permits for two 18,000 footers in southern part of the county.

Going back to 1971, no one has gone below 10,000 untill the last two years.

They are looking for something or have they already found it.

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Permalink Reply by Les Bamburg on July 29, 2009 at 10:57
Allen, I wonder if the "Wildcat" Formation at 18,000' could be a Deep Bossier Sand test similar to those found in TRRC District 5.
Permalink Reply by Allen D, Beckham on July 29, 2009 at 12:30
les, no need to apologize, supposedly we are all here to learn from each other. I'm just like an old dog, learn something new every day, heck I even learned something from my wife several years ago.

As for the "Wildcat" I honestly have no idea. Might make for interesting research.

Back to my original post, does anyone know the depth of the LOUANN SALT in this area. Also does anyone have any thoughts about what CHK is looking for.
Permalink Reply by Checkmateking on July 29, 2009 at 13:28
Back in the day there were some outstanding Eagle Mills completions in Cass County-not really applicable this far south- but below the Louann Salt.
Permalink Reply by Parkdota on July 29, 2009 at 15:06
I don't know as much about all this as you folks but I do know that Encana just went down a little over 16,000 on my relatives property and have been real quiet about it. We can't get any info from them or from the Sonris site as they seem to be stalling in putting in the info. On my property they got the permit set for a total depth of 17,000 and are suppose to get started real soon. These properties are located in Gloster. From what I've read the norm is around 13,000+/- and this discussion was sparked by an 18,000 foot permit. So, is it possible that they have to go deeper bc that's where the natgas is?
Permalink Reply by Les Bamburg on July 29, 2009 at 16:16
Logan, if the EnCana well is in Louisiana then the 17000' on the permit is measured depth not vertical depth. The vertical depth would be closer to 11000 - 12000' which is the depth of the Haynesville Shale. If you look at the permit in Sonris it will have that information.

The situation is different in Texas as the permit only shows the Total Vertical Depth, not the measured depth for horizontal wells.
Permalink Reply by Parkdota on July 30, 2009 at 0:46
Ah, I see....thanks for the clarification. It can be rather confusing especially when you add in different rules per state, the volatility of the market, supply/demand, government rules, tax changes, energy plans, etc. It's amazing how complicated it can get....kinda like any other profession...and our government LOL. Thanks again.
Permalink Reply by shelbyco on July 30, 2009 at 5:38
Les B, I was asking about this, in part, to attempt to understand Aubrey's quote in the Shreveport Times on July 25 that the HS, "perhaps dips into Shelby County". Maybe he was referring to the Carthage, North (Bossier Shale) field and, for instance, wells like the Mitchell GU 1A rather than the HS in general.
Permalink Reply by Les Bamburg on July 30, 2009 at 6:22
Shelbyco, think of the Haynesville/Bossier Shale as one single field. So even though it may different designations such as "Carthage, North (Bossier Shale)", "Bossierville (Bossier Shale", "Caspiana", "Elm Grove", etc, in reality it is one continuous field. Also, the Haynesville Shale is also referred to as the Bossier Shale.

Although posted before I have attached the different blob maps of the play.
Attachments:
Permalink Reply by shelbyco on July 30, 2009 at 7:13
Les, once again I appreciate your response. The maps underscore my confusion regarding Aubrey's comment that the HS "possibly dips into Shelby County." With the exception of the NW corner of the county, I thought it was pretty well established that the shale pretty much covers the county. I was simply trying to figure out what he meant. I also note that Cabot's blob map from its recent presentation shows all of Shelby County in the shale.
Permalink Reply by Les Bamburg on July 30, 2009 at 8:46
Shelbyco, I interpreted Aubrey's statement to say "Chesapeake doesn't have much acreage in Shelby County so I am not going to give any of my competitors a plug for their position" or "Chesapeake is trying to lease acreage in Shelby County and I don't want to pay a lot per acre".

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