Anadarko Announces Successful Flow Test Offshore Mozambique

HOUSTON, TX -- (Marketwire) -- 03/12/12 -- Anadarko Petroleum Corporation (NYSE: APC) today announced the results of its first flow test offshore Mozambique. The Barquentine-2 well flowed at an equipment-constrained rate of 90 to 100 million cubic feet per day (MMcf/d), with minimal pressure drawdown, providing confidence in well designs that are capable of 100 to 200 MMcf/d.

'The test at Barquentine-2 exhibited exceptional flow characteristics, confirmed the deliverability of this reservoir and indicated a low density of development wells may be sufficient to produce the reservoir,' Anadarko Sr. Vice President, Worldwide Exploration, Bob Daniels said. 'Using pre-set gauges in an offset well, we were able to confirm connectivity and reservoir continuity over a distance of more than 3 kilometers. The test also proves the reservoir has very high permeability, meeting the quality specifications for the partnership's LNG development plans. This is a very encouraging way to start our testing program, which is an important component in the reserve certification process, as we focus on achieving FID (final investment decision) around the end of 2013.'

Barquentine-2 flow test: The Deepwater Millennium drillship successfully and safely conducts flow testing at Anadarko's Barquentine-2 well, located offshore Mozambique.

The Barquentine-2 well is located in water depths of approximately 5,400 feet (1,650 meters) in the Offshore Area 1 of the Rovuma Basin. The drillstem test was conducted by the Deepwater Millennium drillship, which is expected to be mobilized to the Barquentine-1 location for a second flow and interference test in the complex. The 2012 testing program also includes drillstem tests in the Lagosta and Camarão areas to the south of Barquentine.

Anadarko is the operator of the 2.6-million-acre Offshore Area 1 with a 36.5-percent working interest. Co-owners in the area are Mitsui E&P Mozambique Area 1, Limited (20 percent), BPRL Ventures Mozambique B.V. (10 percent), Videocon Mozambique Rovuma 1 Limited (10 percent) and Cove Energy Mozambique Rovuma Offshore, Ltd. (8.5 percent). Empresa Nacional de Hidrocarbonetos, E.P.'s 15-percent interest is carried through the exploration phase.

An updated map of Anadarko's position in Offshore Area 1 of the Rovuma Basin, including the Barquentine-2 well location and high-resolution photographs of the flow test are available under the 'Media Center/Anadarko News' tab at www.anadarko.com.

Anadarko Petroleum Corporation's mission is to deliver a competitive and sustainable rate of return to shareholders by exploring for, acquiring and developing oil and natural gas resources vital to the world's health and welfare. As of year-end 2011, the company had approximately 2.54 billion barrels-equivalent of proved reserves, making it one of the world's largest independent exploration and production companies. For more information about Anadarko, please visit www.anadarko.com.

This news release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Anadarko believes that its expectations are based on reasonable assumptions. No assurance, however, can be given that such expectations will prove to have been correct. A number of factors could cause actual results to differ materially from the projections, anticipated results or other expectations expressed in this news release, including Anadarko's ability to successfully plan, secure necessary governmental approvals, finance, build and operate the necessary infrastructure and LNG plant; produce and market the recoverable resources identified; and test the prospects identified in this news release. See 'Risk Factors' in the company's 2011 Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other public filings and press releases. Anadarko undertakes no obligation to publicly update or revise any forward-looking statements.

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DW Millennium Flow Test: Utilizing the Deepwater Millennium drillship, Anadarko successfully tests the natural gas flow rates at the Barquentine-2 well in the Rovuma Basin offshore Mozambique.