On Friday, Whiting described the assets as "older, conventional,operated and non-operated." The buyers were private and not disclosed.

The properties old estimated reserves of 18 million barrels of oil equivalent(59% oil) with estimated remaining 2015 production of 6100 boepd.

Whiting said the sales were part of a plan to sell off more mature assets with higher lease operating expenses per boe than the company's core acreage in the Bakken and Niobrara.