Concho says BP seeks rights to New Mexico assets (AP)
Two oil and gas companies have sued BP PLC and Apache Corp. over rights to purchase about $400 million worth of assets in New Mexico.

UPDATE - Concho: BP exercising rights on N.M. assets (at Reuters)

Concho Resources Inc. Provides Update Regarding Preferential Purchase Rights Related to Its Marbob Acquisition (Business Wire)
MIDLAND, Texas----Concho Resources Inc. today announced that Marbob Energy Corporation and certain of its affiliated companies have informed Concho of the receipt by Marbob of a notice from BP America Production Company electing to exercise its preferential purchase right under certain operating agreements.

A Close Look At Occidental Petroleum's Earnings Report (at Investopedia)

Concho Dives Deeper Into Permian (at Investopedia)

Oil Rig Activity Forecasted To Rise 10% In 2010 According To Senior Energy Analyst; Read On For His Insights And Advice (Wall Street Transcript)