"Production is expected to increase in April to the same level as February, Maersk said.
DUC exports of natural gas fell to 450 million cubic metres from 460 million in February and was down from 540 million in the same month a year ago, Maersk said.
DUC is responsible for most of the petroleum output from Denmark's North Sea fields. Denmark is the third-biggest producer in western Europe after Norway and Britain.
Danish shipping and oil group A.P. Moller-Maersk owns 39 percent of DUC. Royal Dutch Shell Group has 46 percent and Chevron a 15 percent stake in the partnership.