Back on January 17, 2018, this DUC (#33290) was reported as completed:
- 33290, 4,204, MRO, Lena USA 14-22H, Antelope, Sanish pool, t12/17; cum -- (#19144)
- 19144, 952, MRO, TAT USA 34-22H, Antelope, Sanish pool, API - 33-053-03182, t3/11; cum 364K 1/18;
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
SANISH | 1-2018 | 22 | 17936 | 17796 | 14782 | 29794 | 9197 | 18607 |
SANISH | 12-2017 | 8 | 8163 | 8540 | 0 | 10702 | 698 | 9119 |
SANISH | 11-2017 | 2 | 1407 | 931 | 0 | 1111 | 0 | 948 |
SANISH | 10-2017 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SANISH | 9-2017 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SANISH | 8-2017 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
SANISH | 7-2017 | 3 | 120 | 225 | 51 | 194 | 8 | 136 |
SANISH | 6-2017 | 30 | 2411 | 2485 | 536 | 2778 | 0 | 1941 |
SANISH | 5-2017 | 31 | 2487 | 2510 | 520 | 2887 | 15 | 2014 |
A production jump like that suggests that the well was re-fracked, and checking FracFocus, it turns out that yes, indeed, it was re-fracked in November, 2018.
I assume other operators are doing the same but I haven't found any consistent examples. But it seems to be a "regular occurrence" that when MRO is fracking "new" wells, MRO often re-fracks older wells in the immediate area at the same time.
But look at this. Look how little water and proppant was used to re-frack this well:
- water : 90.6% of total proppant by weight
- water: 1,759,603 gallons
- sand: 8.9% by weight
- a gallon of water weighs 8.345404 million pounds
- 1.76 million gallons of water weighs 14.7 million pounds
- 90.6% of what = 16.2 million lbs
- 16.2 million lbs total proppant (sand+water+all that other stuff)
- 8.9% of 16.2 = 1.44 million lbs of sand
- my numbers may be off a bit but 1.44 million lbs of sand is an extremely small amount of sand to be using when fracking wells in 2018.
- it doesn't take a rocket scientist to see the point that is being made
- if I have this correct, this is very, very clever -- what MRO is doing; just one more interesting wrinkle in the Bakken
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