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NDSU Bakken Water Research Could Have International Impact

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Michael Hove of the North Dakota Water Commission is involved in an NDSU research project to analyze water use in the Bakken oilfield. (NDSU photo) Michael Hove of the North Dakota Water Commission is involved in an NDSU research project to analyze water use in the Bakken oilfield. (NDSU photo)
NDSU researchers find that oil industry expansion in western North Dakota has created tremendous increases in the demand for water. NDSU researchers find that oil industry expansion in western North Dakota has created tremendous increases in the demand for water.
The research sheds light on the effect oil and gas development can have on water use.

Research that North Dakota State University scientists conducted on water use in the Bakken oilfield could benefit oil-producing areas elsewhere in the U.S. and internationally.

“The findings on impacts to water resources in the Bakken help shed light on future regional water impact analyses for other unconventional plays in the U.S. and around the world,” says Zhulu Lin, an assistant professor in NDSU’s Agricultural and Biosystems Engineering Department and the lead investigator on this research project.

“The analysis of the current water management strategies and policies adopted in western North Dakota will assist and inform other policymakers and water practitioners to develop adaptive management strategies and policies to address increased industrial and community water demands associated with unconventional oil and gas development in their regions,” he adds.

Others involved in the research were Siew Lim, an associate professor in NDSU’s Agribusiness and Applied Economics Department; Tong Lin, a research assistant in NDSU’s Environmental and Conservation Sciences Program; and Michael Hove and William Schuh of the North Dakota State Water Commission. They’ve written an article about their research that will appear in the Journal of American Water Resources Association in February 2018. The National Science Foundation funded the study.

In addition to examining North Dakota’s water management policies during the oil boom in western North Dakota, the team analyzed Bakken horizontal well completion data for 2008 to 2014, North Dakota’s permitted water consumption data for 2000 to 2014, and groundwater level and streamflow in western North Dakota for 2000 to 2014.

The researchers found that expansion of the oil industry in the region has led to tremendous increases in the demand for water. For example, from 2008 to 2014, water use for Bakken shale oil development increased nearly 20 times, from 550 million to 10,200 million gallons per year.

Here are some of their other findings:

  • The total annual industrial water use from 2008 to 2014 for Bakken shale oil development ranged from 0.5 to 10 percent of the state’s total consumptive water use.
  • The increases in industrial water use in the Bakken oil production region (Dunn, McKenzie, Mountrail and Williams counties) were 3 to 40 percent.
  • The freshwater sources for Bakken development were split equally between groundwater and surface water, on average; however, from 2012 to 2014, more surface water than groundwater was used.

The researchers also found that of the nine streams and 15 shallow aquifers under study, only three shallow aquifers (Charbonneau, Tobacco Garden Creek and Killdeer) in McKenzie and Dunn counties might have been affected by Bakken shale oil development (the average groundwater levels decreased).

The remaining 12 shallow aquifers and all nine small- to medium-sized streams had higher groundwater levels or increased average annual seven-day low flows, largely because the region received more than 20 percent more precipitation than normal during 2008-2014 and the water in the Bakken was managed adaptively.

Two main examples of adaptive water management strategies were the In Lieu Of Irrigation program, which allowed irrigation (mainly groundwater) permit holders to transfer the water temporarily from irrigation to industrial water uses such as hydraulic fracturing for the oil industry, and the issuance of temporary water permits (mainly surface water). These temporary permits allowed the permit holder to use a certain amount of water for a period of not more than one year.

“Due to restrictive regulations, not much water from the deep regional aquifers such as the Fox Hills–Hell Creek aquifer was used for hydraulic fracturing in the Bakken,” Lin says. “This has prevented the deep regional aquifers from being affected by the Bakken shale oil development.”


NDSU Agriculture Communication - Nov. 15, 2017

Source:Zhulu Lin, 701-231-7118, zhulu.lin@ndsu.edu
Editor:Ellen Crawford, 701-231-5391, ellen.crawford@ndsu.edu
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