Replies to This Discussion

Permalink Reply by mt "bee" meadows on September 27, 2014 at 3:17

Obed, why is it that all other operators drilling in Clairborne Parish below 10,000 feet are in the Smackover and now WHR is drilling 13,500 feet TVD and is in the LCV. Look at Tellus 's Benson well (serial #247273, S33-28  T22n  R5w) at TVD of ??,??? feet ( why is SONRIS out for maintenance when I really need it but think TVD is some where between 10,500 and 11,000) a SMK RB? Thats why I'm a novice needing an answer. Thanks.........b

Permalink Reply by obed w odom on September 27, 2014 at 4:44

Bee,

 I think the difference is that the proposed Wildhorse well is in the extreme south of Claiborne Parish. This well is some 13 miles south and 5 miles west of the Tellus Benson well, and both the Cotton Valley and Smackover formations get deeper pretty fast as one moves southwest.

Permalink Reply by mt "bee" meadows on September 27, 2014 at 10:20

Obeb thanks for the info and friendship. I had not reasoned out that these familiar formations are dipping to the south thus the lower depths. Well done and thanks.............b 

Permalink Reply by Two Dogs, Pirate on September 27, 2014 at 11:41

They also, may just want to log down to 13,500 to see what it looks like.

Permalink Reply by KOil12 on October 6, 2014 at 4:49

What Wildhorse/MRD are exploiting here are literally islands of sandstone surrounded by Bossier shales at similar depths. Think Galveston Island in a depositional environment sense. These sands would be considered part of the Cotton Valley group, but are deeper than traditional Cotton Valley Taylor sands. They are usually called the Terryville sands. This explains the deeper TVD. These can be over-pressured, which is why Memorial can get 20 MMCFD IPs from their Cotton Valley wells.  

http://pubs.usgs.gov/dds/dds-069/dds-069-e/REPORTS/69_E_CH_2.pdf

Look around page 12 +/- for more info. 

Permalink Reply by Skip Peel - Mineral Consultant on October 6, 2014 at 5:19

Thanks for the explanation and the link, KO.  How extensive in size would you think the "island" where Wildhorse has made their very impressive wells may be?  Are there likely to be multiple areas across N LA that have productive Terryville Sands in such "islands"?

Permalink Reply by KOil12 on October 6, 2014 at 5:47

http://www.sec.gov/Archives/edgar/data/1059324/000119312508053794/d...

This is an investor presentation from 2010 from Petrohawk. Look on page 26 and 27 for the map and cross section. This acreage was sold to Memorial/Wildhorse. Memorial also consolidated and proved up this area 2007-present and began exploiting the stacked play. Obviously not the most technical map, but gives you an idea of what they are doing. 

Permalink Reply by North LA on October 7, 2014 at 16:01

Koil12,

You mentioned that the Terryville field wells are overpressured. What pressure range would that include? I looked over a lot of the old vertical Terryville wells and they range from 800-2200 for flow pressures. The horizontals seem to be a bit more at about 3500 average. What is considered a good pressure for the verticals and the horizontals?

Permalink Reply by cicero on October 10, 2014 at 16:01

Skip, Wildhorse has just leased some in town property on the north side of Ruston, Lincoln Parish, $500 per acre. Cicero

Permalink Reply by Skip Peel - Mineral Consultant on October 10, 2014 at 16:07

I'd heard that they were leasing inside the city limits.  Thanks for confirming, Cicero..  Would you care to share the royalty that they offered?

Permalink Reply by cicero on October 11, 2014 at 4:08

royalty is 1/4

Permalink Reply by Skip Peel - Mineral Consultant on October 11, 2014 at 4:19

That's an aggressive offer. 

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