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From Hart Energy:Hess Corp has produced a record-breaking 24-hour test well this month (OilPatch Hotline, May 2, 2019) in McKenzie County, N.D., surpassing all records for U.S. land wells, according to an article in the website of the Oil Patch Hotline, an oil and gas trade publication for the Williston Basin.
“This was a barn burner,” said Hotline Publisher Dennis Blank. “The highest IP tests recorded before this on new horizontal Bakken wells were in the range of 3,000 to 4,000 barrels of oil equivalent per day.”
Hess said the AN-Bohmbach-153-94-2734H set a new record 24-hour IP at 14,662 boe/d. The well produced 10,169 barrels of crude oil and 26,960 Mcf of natural gas and is located in Sec. 22, T153N-R94W. This new record breaker followed an earlier April 5 record of 10,626 boe/d on a companion horizontal well in the same pad.The Hart Energy article does not specify exactly which AN-Bohmbach well this is.
The Oil Patch Hotline article did not specify the permit number either.
The well was first reported at the blog on June 5, 2019, but at the time, the IP had not been released.
At the Oil Patch Hotline link:
The well was a test to better understand open flow potential and what completion practices the company wants to do in different parts of the field. The current standard design is 36 stages with 280 entry points on the hydraulic fracturing.Let's try to sort this out. These are the five AN-Bohmbach wells on the pad in the Antelope-Sanish oil field, all targeting the same formation, "Bakken/Sanish":
- 35091, 3,237, Hess, AN-Bohmbach ... H-10, t5/19; cum 139K 1/20; 35 stages; 5 million lbs sand, no ceramic;
- 35092, 3,019, Hess, AN-Bohmbach ... H-9, t4/19; cum 103K 1/20; 83MM; 35 stages; 10 million lbs sand;
- 35093, 10,626, Hess, AN-Bohmbach ... H-8, t4/19; cum 68,402 bbls oil over 24 days; 131,590 mcf over 24 days; 35 stages; 10 million lbs sand; cum 144K over first three months; cum 251K 1/20;
- 35094, 2,578, Hess, AN-Bohmbach ... H-7, t4/19; cum 12,890 oil over 10 days; 23,297 mcf over 0 days; 40 stages; 5 million lbs sand; cum 71K over 59 days; cum 151K 1/20;
- 35095, 3,807, Hess, AN-Bohmbach ... H-6, t4/19; cum 200K 1/20; natural gas as of 6/19: cum 148,584K cubic feet (25K boe);
- #35091: 30,000 bbls of oil;
- #35092: 31,615 bbls of oil;
- #35093: 85,502 bbls of oil;
- #35094: 38,670 bbls of oil;
- #35095: 52,000 bbls of oil; 25,890 bbls in first 14 days;
The linked sources said the 24-hour IP for the record setting well (#35059?) was:
- oil: 10,169 (not seen in any of the numbers above)
- mcf: 26,960 mcf (not seen in any of the number above)
- boe: 14,662
- working backwards:
- 14,662 - 10,169 = 4,493
- 26,960,000/4,493 = 6000.445 (conversion factor)
Interestingly enough, the linked articles said the previous "record-setting" well had a 24-hour IP of 10,626 boe. #35093 had an IP of 10,626 for oil (BO) but not boe. Checking the file report at the NDIC website confirms that #35093 had a 24-hour IP of:
- oil: 10,626
- mcf: 27,577 = 4,595.825
- boe: 15,221.826
Disclaimer: I often make simple errors in arithmetic.
Disclaimer: I often misread things.
The biggest takeaway for me: the small number of stages and the relatively small amount of proppant used. Five million lbs is very, very small (in the Bakken, but compared to what they are using in the Permian, incredibly small); ten million lbs is on the high side and I don't expect to see this often in the Bakken with WTI below $75. If WTI goes over $75, we will start to see increased amounts of propane being used.
Other links for the AN-Bohmbach wells:
- June 5, 2019: Random update of a Hess AN-Bohmbach well.
- May 30, 2019: I can't make this stuff up.
Wow, I love the Bakken.
Disclaimer: I am inappropriately exuberant about the Bakken.
Note: only one rig was involved in drilling this well (not counting the "spud" rigs). And to the best of my knowledge no migratory birds or sage grouse were injured while these wells were being drilled.
Some production data.
35093:
Pool | Date | Days | BBLS Oil | Runs | BBLS Water | MCF Prod | MCF Sold | Vent/Flare |
---|---|---|---|---|---|---|---|---|
SANISH | 6-2019 | 30 | 34527 | 34574 | 15125 | 69291 | 46583 | 22708 |
SANISH | 5-2019 | 26 | 40860 | 41239 | 17517 | 43442 | 29422 | 14020 |
SANISH | 4-2019 | 24 | 68402 | 67786 | 32773 | 131590 | 23080 | 108510 |
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Section 27-153-94
Five-well Bohmbach pad (above), sited in section 22-153-94, Elm Tree but run south into section 27-153-94, Antelope-Sanish.
Well to the west:
- 32862, to the west, from a 3-well pad in Antelope oil field, 28-153-94, 1,952, Hess, AN-Dinwoodie-LE-153-94-2833H-1, Elm Tree, runs south, parallel to the Bohmbach wells; t10/17; cum 271K 1/20; off line as of 1/19; remains off line 4/19; back on line 6/19 with 5K over 20 days; back online 6/19; no jump in production;
- 19723, 1,238, Hess, AN-Bohmbach-153-94-2734H-1, Antelope-Sanish, t10/11; cum 433K 1/20; off line 1/19; remains off line 4/19; back on line 5/19; slight jump in production;
- 23287, 1,238, Hess, AN-Bohmbach-153-94-2734H2, Antelope-Sanish, t4/13; cum 170K 1/20; off line 1/19; remains off line 4/19; back onl ine 4/19; no jump in production;
- 23571, IA/1,290, Hess, AN-Bohmbach-153-94-2734H-3, Antelope-Sanish, t5/13; cum 243K 1/19; off line 1/19; back on line 4/19 for four days; remains off line 1/20 -- to IA status;
- 23572, 934, Hess, AN-Bohmbach-153-94-2734H-4, Antelope-Sanish, t5/13; cum 186K 1/20; never off line;
- 23573, 1,065, Hess, AN-Bohmbach-153-94-2734H-5, Antelope-Sanish, t5/13; cum 321K 1/20; never off line;
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