Anadarko Petroleum Corp., Houston, (NYSE: APC) has closed its offering of noncore and unleased mineral interests in Arkansas via auction through The Oil & Gas Asset Clearinghouse for lease bonus proceeds of $82 million along with a minimum 12.5% royalty. Bids were accepted for approximately 30,000 net acres in the Fayetteville fairway and Arkoma Basin at $2,733 per net acre.