GMX said the Johnston 31-4-1H well, in which it had a 55% working interest, was completed as a 34-stage frac Middle Bakken producer, achieving a peak rate of 1479 barrels of oil per day.
The well was drilled to a measured depth of 20,979 feet with a lateral length of 8869 feet.
A seventh operated well, the Fairfield State 21-16-1H in Billings County, North Dakota was spudded on 13 May and had been drilled to a total measured depth of 20,979 feet with a lateral length of 9510, the company said.
GMX,