Years and years ago, during Bakken 1.0, I opined about the virtues of heel-to-toe horizontals being drilled alongside toe-to-heel wells (if that makes sense). At that time, early in the Bakken boom, operators were only drilling one well in each drilling unit (to get production to hold the lease) and no one was talking about heel-to-toe and toe-to-heel neighbors.
Then the slowdown in drilling so we didn't get many examples. But today a reader sent me a great example of what I'm talking about.
The well:
- #19889, 1,678, XTO, Sand Creek 21-10SH, Sand Creek oil field, section 10-153-96, t5/11; cum 427K 12/16; in its sixth year of production;
No evidence of re-frack at FracFocus: 33-053-03348. FracFocus.
This well is in its sixth year of production. By now, it should have been well past the "dreaded Bakken decline" and past its most productive years, but look at this well's production in the past six montths -- again, this well is an "old" Bakken well -- it should be on its last legs. We'll come back to it later.
Recent production:
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
BAKKEN | 12-2016 | 22 | 17348 | 17108 | 5147 | 34070 | 32848 | 486 |
BAKKEN | 11-2016 | 30 | 21723 | 21761 | 10309 | 42107 | 39288 | 2010 |
BAKKEN | 10-2016 | 31 | 29517 | 29368 | 12447 | 54910 | 43060 | 11010 |
BAKKEN | 9-2016 | 27 | 27197 | 27115 | 11042 | 47620 | 31545 | 15717 |
BAKKEN | 8-2016 | 31 | 28192 | 28074 | 10834 | 53086 | 51158 | 1737 |
BAKKEN | 7-2016 | 24 | 22225 | 22257 | 17252 | 35045 | 25010 | 9907 |
Note: in case you missed it, these are six consecutive months of 20,000+ bbls of production, and close to 30,000 bbls each month.
The best this well did back in 2011 when it was first fracked: 16,103 bbls in 29 days, and it hit the "dreaded Bakken decline" in nine months, dropping to less than 9,000 bbls/month and then quickly dropping to less than 5,000 bbls/month.
The graphic:
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