The MRO Semerad Pad In Bailey Oil Field -- The Bakken Halo Effect — Posted December 17, 2025

Locator: 49726MRO. 

The Bailey oil field is probably the Bakken oil field best known for the “halo” effect.

The wells:

• 16868, IA/294, MRO Knudsvig 24-7H, Bailey oil field, Dunn County; t3/08; cum 215K 6/25; 

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2025	0	0	0	0	0	0	0
BAKKEN	9-2025	0	0	0	0	0	0	0
BAKKEN	8-2025	0	0	0	0	0	0	0
BAKKEN	7-2025	0	0	0	0	0	0	0
BAKKEN	6-2025	25	462	485	157	466	220	129
BAKKEN	5-2025	9	122	287	45	117	34	43
BAKKEN	4-2025	8	150	132	68	136	41	56
BAKKEN	3-2025	15	233	224	209	220	57	89

• 41521, 3,899, MRO, Semerad 11-18H, Bailey oil field, Dunn County; 
• 41520, A/conf, MRO, Clawson 11-18H, Bailey oil field, Dunn County; t--; cum --:  npd;
• 41519, A/drl, MRO, Partridge 41-13H, Bailey oil field, Dunn County; t10/15; cum --: 

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2025	1	1487	1467	3796	112	105	3

• 41518, A/AL, MRO, Patton 44-12H, Bailey oil field, Dunn County; t10/15; cum 21K over nine days extrapolates to 71K over 30 days;

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2025	9	21176	20893	20662	1598	1491	43

Well of interest: 

• 19775, 2,645, BR, Patton 31-1H, Bailey oil field, t7/11; cum 449K 10/25; 

Pool	Date	Days	BBLS Oil	Runs	BBLS Water	MCF Prod	MCF Sold	Vent/Flare
BAKKEN	10-2025	29	4222	4313	3693	2306	1956	238
BAKKEN	9-2025	13	3589	2932	2727	2090	1500	540
BAKKEN	8-2025	0	0	0	0	0	0	0
BAKKEN	7-2025	0	0	0	0	0	0	0
BAKKEN	6-2025	9	400	675	424	331	271	27
BAKKEN	5-2025	27	1553	1361	1894	1395	1175	112
BAKKEN	4-2025	27	1647	1753	1136	1315	1088	118
BAKKEN	3-2025	26	1651	2010	1132	1453	1211	137
BAKKEN	2-2025	22	1202	1137	800	739	570	88

The maps: