Replies to This Discussion

Permalink Reply by Skip Peel - Mineral Consultant on June 29, 2010 at 2:10

Operators do not report updated status every week (the SONRIS Well Scout reports are updated with whatever new data is available on Thursdays) so that accounts for part of the delay. IMO, the staff at the Office of Conservation is spread a little thin at the moment with additional duties associated with the oil spill and the growing number of wells permitted and drilling has increased their work load significantly. The result is that there are delays in posting new data to all the Department of Natural Resources databases. Although the lag in making the information available on the databases can be frustrating, please keep in mind that the SONRIS databases are far superior to what exists in other states. Just ask our members in Texas.

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Permalink Reply by What's_up on June 29, 2010 at 2:29

Thanks Skip for the info, I did not take that into consideration and I agree on the state info data base, we do have it better than most.

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Permalink Reply by Les Bamburg on June 29, 2010 at 3:22

WU. it can take 1-3 months before the State uploads the well potential report into Sonris.

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Permalink Reply by w.r. frank on June 29, 2010 at 6:11

Try 239,839 which has been "waiting on state potential" since November 2009. Calls to Shreveport LDNR result in "I don't know where it is." CHK responds that well on production in May.

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Permalink Reply by Les Bamburg on June 29, 2010 at 6:26

WR, did you know that well had 23 frac stages?

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Permalink Reply by w.r. frank on June 29, 2010 at 7:25

I count 22. 21 plugs and one frac before first plug.

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Permalink Reply by Missy on June 29, 2010 at 10:11

Les, What is the significance of this many frac stages?

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Permalink Reply by Les Bamburg on June 29, 2010 at 10:15

Missy, more frac stages should give a higher initial flow rate but shall see.

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Permalink Reply by Bobi Carr ("parker") on July 12, 2010 at 17:41

Les,

In your opinion, do you think that the wells with more frac stages will ultimately have a higher EUR or do you think it will just produce the anticipated EUR at a faster pace?

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Permalink Reply by Les Bamburg on July 13, 2010 at 2:40

Bobi, more frac stages should result in higher EUR's but that assumes all else is equal such as rock properties and/or formation pressure. So a well with fewer frac stages in one area could have a higher EUR than a well in a different area with more frac stages.

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Permalink Reply by Bobi Carr ("parker") on July 13, 2010 at 20:18

Les,

I think this will be the most interesting aspect moving forward.

One thought that occurred to me was that maybe somehow the additional frac stages were somehow alleviating the pressure.

I remember hearing that pressure was the main problem initially with the Messenger well and that the wells in the Southern area of the play were higher pressure.

The thought occurred to me since I haven’t heard of as many frac stages in the Northern areas.

Besides having better production results, could the additional frac stages help manage the pressure in some way?

Or is it just the well known fact that the Southern area just has better rock properties and stronger pressure?

Thanks in advance. You somehow always seem to explain things so that it is easy for us novices to “get it”.

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Permalink Reply by Les Bamburg on July 14, 2010 at 3:52

Bobi, the additional frac stages do not really alleviate the high pressure issue. Over time the operators such as EnCana have just improved their well designs and drilling techniques to address the higher pressures and temperatures found in the southern areas.

Additional frac stages can be utilized in any area. A recent Petrohawk well (Bolton 35 H1) was completed in the Elm Grove Field with 20 frac stages.

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