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NEW, Riviera Energy Corp. has been retained to sell overriding royalty interest in the Merle State Unit in Lea County, New Mexico. The package includes a 0.0478125 overriding royalty in five wells on 1,280 acres in Lane (Abo) and Lane (Atoka) fields. Average production for January through April 2008 was 413 barrels of oil and 2.2 million cubic feet of gas per day. Net average monthly income for the same period was $78,100. Contact Robin Reece, 432-686-9400.