US oil and gas explorer Anadarko Petroleum recovered gas flows of 90 to 100 million cubic feet a day during the first flow testing at the Barquentine-2 well, off the coast of Mozambique.

The well is located in water depths of 1,650m in the Offshore Area 1 of the Rovuma Basin.

Anadarko senior vice president of worldwide exploration Bob Daniels said: "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.

"Using pre-set gauges in an offset well we were able to confirm connectivity and reservoir continuity over a distance of more than 3km.

"The test also confirms that 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 programme, which is an important component in the reserve certification process, as we focus on achieving final investment decision around the end of 2013."

The test was conducted by the Deepwater Millennium drillship, which is now expected to move to Barquentine-1 well for a second flow and interference test in the complex.

The company also plans to conduct drillstem tests in the Lagosta and Camarao areas to the south of the Barquentine wells later this year.

Anadarko is the operator of the 2.6 million acre Offshore Area 1, with a 36.5% working interest, while other partners include Mitsui E&P Mozambique Area 1, which holds a 20% share; BPRL Ventures Mozambique with 10%; Videocon Mozambique Rovuma 1, also with 10%; and Cove Energy Mozambique Rovuma Offshore, which has a 8.5% interest.