Natural Resource Partners Invests in Marcellus for Royalties Energy Companies | Natural Resource Partners December 21, 2012December 21, 2012 Natural Resource Partners, a master limited partnership (MLP) company, announced yesterday they’ve invested $30.3 million to acquire royalty interest in 88,000 acres in the liquids-rich portion of the Marcellus Shale. From the press announcement: Please Login to view this content. (Not a member? Join Today!) Related