North Dakota oil production fell 1.7 percent in August, slipping below 1.2 million barrels per day in the fifth monthly decline since the state's output peaked last December.
The nearly 21,000 barrel-per-day drop from July represented the first time in 12 years that the state's oil output fell in August, a month when the industry historically has a growth spurt thanks to favorable conditions, the state Department of Mineral Resources reported.
"Production is down, and significantly down," Lynn Helms, the head of the department, said Tuesday in his monthly update on the industry.
The decline for August "is definitely not normal," he added. "This is a reflection of what's happening in the industry."
World oil prices sank to a six-year low in August despite an increase in demand, but the growth in demand is expected to end in 2016, the International Energy Agency said Tuesday. U.S. shale producers, like North Dakota's, face a big challenge because new shale wells rapidly fall off in production — an 82 percent decline in the first two years — forcing continuous investment in new wells to sustain production, the IEA said. U.S. oil production growth could be stopped in its tracks, IEA said.
North Dakota oil, which sells at a discount to the benchmark crude, fell almost $10 per barrel from July to August, but has since recovered slightly to $35 per barrel, according to data North Dakota collects from the Flint Hills Refinery in Rosemount.
Helms said producers are electing to keep oil in the ground. He attributed about half of the decline in August's output to reduced pumping by companies facing problems at a natural gas compression plant. Without that cutback, some companies risked exceeding flaring targets, he said. The cutback is expected to last though January, he added.
Natural gas production in North Dakota also fell from the record set in July, off 1 percent.