Minden Salt Dome and Its effect on the HS!

East of Minden there is one of the Largest salt up lifts in The NW La Salt Dome Basin. Could this Salt Dome Effect the HS? Did the up lift in Salt Compress the Shale into Sands? The perimeters of this Dome are already Leased and under Production, but not much leasing activity has gone on around this dome. Some has taken place to the south of it and to the east and west of it. Any one farmiliar with the effects of salt dome's on shale plays? This question seems to be non existing!!! HARD TO GET A ANSWER FOR IT!!!!!!!

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Permalink Reply by Jack B2 on August 5, 2008 at 11:45
We have our own historical blow out. It was the Gleason no. 1 in sec. 13, T 22 N, R 10 W in Webster Parish, and it was the pointing finger to the cotton valley oil field. The hole still lies just off of 3008 (dorcheate rd.) to the right south of La. 2. Just thought you may want to know.
Permalink Reply by Jack B2 on August 5, 2008 at 13:45
There is no marker, it lies about 300 feet east of dorcheat road on the right going north just past the grave yard north of deutsh rd. south of la 2 at sikes ferry
Permalink Reply by goofy on August 6, 2008 at 13:36
Hmmmm....so what is the implication of the further discussion of this that went on between ShaleGeo/Jay and johnyd in the "Ask the Geologist" group:

Q U O T E:
Comment by ShaleGeo 1 day ago
Johnyd: Think of the shale as a layer of mud that was deposited in a very calm setting. Later, as the salt begins to push upwards the mud is displaced on either side of the uplift. With this example the mud (shale) would be thicker in the basin than on top of the dome.
Jay

Comment by Johnyd 1 day ago
Jay, Its coming together for me I think... So in the past the production on the edges of the salt dome were in these thicker areas were we could extract the gas with the old technology (Pockets from the uplift).....so with the new technology we should be able to produce large amounts of gas in the basin of this dome where the shale is the thickest, and directly on the dome you just basically have salt....unless they were to drill Through the salt to the Norphlet or Eagle mill redbeds....which is in excess of 15K verticle and at this time not feisable....
E N D Q U O T E

THis will be severely disappointing to me and others near that location if true. Is the center at Sec 20 T19 R8 just the "tip of the iceberg" that spreads laterally?? For how far?? Does that zone include some or all of Minden city proper? Jay only answered in generalities about salt dome formation.....any ideas on someone we can approach who might have a definitive answer on this?
Permalink Reply by Natch N3 on August 6, 2008 at 15:50
do you have any info on the Chestnut Salt Dome and it's importance in the play if any?
Permalink Reply by Natch N3 on August 7, 2008 at 5:02
Jim, thanks for responding with that piece of history!
Permalink Reply by Johnyd on August 7, 2008 at 2:28
Jim, Do you know how these salt domes effect shale plays?
Permalink Reply by Johnyd on August 7, 2008 at 8:36
jim So would the effect on the HS be negative by the Dome? How far Off of the center of the dome would be affected?
Permalink Reply by Natch N3 on August 7, 2008 at 8:41
Jim, are you a geologist too? What are your qualifications to disseminate information on salt dome formations and such is it just a copious amount of research on your part?
Permalink Reply by Tony Cross on August 7, 2008 at 8:41
Salt Domes are made of salt, no oil or gas will be present within the structure of the dome, but Salt Domes are and can be a "trapping mechanism" for oil and gas. That is why you see the drilling usually to the perimeters and not on the Dome itself. The Dome can not hold any gas or oil because of its molecular structure. Generally in Mississippi you have numerous salt domes that trap the oil around the perimeters and in some cases within the dome (only when the dome has been penetrated by water) can the Dome hold any oil.
Here is a copy of links:
http://library.thinkquest.org/J0112442/historyoil.html
or
http://www.geotimes.org/july08/article.html?id=nn_salt.html

Hope this helps, for a Salt Dome to become a holding reservoir, it must 1st be holowed out by water, then oil or natural gas can be stored.

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