CNOOC Ltd. (HK: 0883) has completed its $15.1 billion acquisition of Canadian energy company Nexen Inc., which originally was announced last July. www.nexen.com

Axel Springer (DB: SPR) has acquired TunedIn Media, a German social TV app. No financial terms were disclosed. www.axelspringer.de

Nestle Health Science has agreed to acquire Pamlab, a Covington, La.-based provider of prescription medical foods to healthcare providers, for an undisclosed amount. www.pamlab.com

Nordea Bank has hired Bank of America to help it find a buyer for Polish subsidiary Nordea Bank Polska, according to a local press report. Among the possible suitors are PKO BP, BNP Paribas and Bank Pekao. www.nordea.com

Qatar Holdings is considering a $3 billion investment in Russian state-owned bank VBT, according to Reuters. UBS is advising Qatar Holdings, while VTB previously hired Citigroup to help increase the company’s capital base.

The Carlyle Group has hired JPMorgan and Evercore Partners to find a buyer for Arinc Inc., an Annapolis, Md.- based aerospace and defense company, according to Reuters. Carlyle acquired Arinc from an airline consortium in 2007 for an undisclosed amount. It plans to seek between $1.2 billion and $1.5 billion in the sale. www.carlyle.com

Columbia Capital and M/C Partners have agreed to sell Baja Broadband LLC, an Alamogordo, N.M.-based cable company, to TDS Telecom (NYSE: TDS) for $267.5 million. www.bajabroadband.com

Onex Corp. is seeking a buyer for Carestream Health Inc., a Rochester, N.Y.–based provider of medical imaging systems, according to Reuters. The deal could be worth upwards of $3.5 billion. Carestream is the former health unit of Eastman Kodak, which Onex purchased in 2007 for $2.55 billion.www.carestreamhealth.com

Palladium Equity Partners is seeking a buyer for Cannella Response Television, a Burlington, Wis.-based direct response media agency, according to peHUB. Also selling would be minority shareholder ZM Capital. http://www.drtv.com

SAP AG (NYSE: SAP) has agreed to acquire SmartOps, a Pittsburgh–based provider of inventory and service-level optimization software solutions. No financial terms were disclosed. Sellers include Adams Capital Management. www.smartops.com

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