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Another Gas Discovery for Anadarko Offshore Mozambique

Anadarko Petroleum Corporation today announced the Atum exploration well discovered another significant natural gas accumulation within the Offshore Area 1 of the Rovuma Basin.

The Atum discovery well encountered more than 300 net feet (92 meters) of natural gas pay in two high-quality Oligocene fan systems. Preliminary data indicates this latest discovery is connected to the partnership’s recent Golfinho discovery located approximately 10 miles (16.5 kilometers) to the northwest in the Offshore Area 1.

“The combined success at Atum and Golfinho and apparent connectivity of these Oligocene fan systems, indicate these discoveries represent our partnership’s second major natural gas complex offshore Mozambique,” said Sr. Vice President, Worldwide Exploration Bob Daniels. “We estimate this new complex, which is located entirely within the Offshore Area 1 block, holds 10 to 30-plus trillion cubic feet (Tcf) of incremental recoverable natural gas resources. We plan to immediately commence a four-well appraisal program of this complex, which has the potential to underpin a large LNG development.”

The Atum exploration well was drilled to a total depth of approximately 12,665 feet (3,860 meters), in water depths of approximately 3,285 feet (1,000 meters). Once operations are complete at Atum, the partnership plans to commence appraisal activities that are expected to be followed by a drillstem testing program in the Golfinho and Atum complex.

“With this latest discovery at Atum and a successful upcoming appraisal program, we believe the total estimated recoverable natural gas resource in Mozambique’s Offshore Area 1 is between 30 and 60 Tcf, and the current upside for total gas in place for the discovered reservoirs on the block is approaching 100 Tcf. We still have additional exploration opportunities that could expand the resource potential further,” said Anadarko President and CEO Al Walker. “A recoverable resource base of this scale supports our initial two-train development plans, as well as significant future expansions. Our current activity is focused on achieving reserve certification and a Final Investment Decision in 2013, as the partnership works toward expected first sales of LNG in 2018.”

Anadarko is the operator in the Offshore Area 1 with a 36.5-percent working interest. Co-owners include 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, ep’s 15-percent interest is carried through the exploration phase.

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Anadarko: Another Major Discovery Offshore Mozambique

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Anadarko Petroleum Corporation today announced the Golfinho exploration well discovered a new, major natural gas accumulation nearly 20 miles (32 kilometers) northwest of its Prosperidade complex within the Offshore Area 1 of the Rovuma Basin.

The Golfinho discovery well encountered more than 193 net feet (59 net meters) of natural gas pay in two high-quality Oligocene fan systems that are age-equivalent to, but geologically distinct from, the previous discoveries in the Prosperidade complex.

“The success of the Golfinho well significantly expands the tremendous resource potential of the Offshore Area 1 in the deep-water Rovuma Basin, with additional opportunities yet to test,” Anadarko Sr. Vice President, Worldwide Exploration, Bob Daniels said. “The Golfinho discovery, which is entirely contained within the Offshore Area 1 block, adds an estimated 7 to 20-plus Tcf (trillion cubic feet) of incremental recoverable resources over a significant areal extent. This new discovery is only 10 miles offshore, providing potential cost advantages for future development options.

“We are very excited about this new discovery and the value these additional resources represent for the people of Mozambique and our partnership. We look forward to continuing an active exploration program in the highly prospective northern and southern portions of the Offshore Area 1, as well as delineating this new discovery.”

The Golfinho exploration well was drilled to a total depth of approximately 14,885 feet (4,537 meters), in water depths of approximately 3,370 feet (1,027 meters). Once operations are complete at Golfinho, the partnership plans to mobilize the Belford Dolphin drillship to drill the Atum-1 exploration well.

Additionally, at the Barquentine-1 well location in the Prosperidade complex, the partnership successfully tested the upper Oligocene zone, which flowed at a facility-constrained rate of approximately 100 million cubic feet of natural gas per day. This is the third successful drill-stem test flowing at this facility-constrained rate.

Anadarko is the operator in the Offshore Area 1 with a 36.5-percent working interest. Co-owners include 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, ep’s 15-percent interest is carried through the exploration phase.

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Another Success Offshore Mozambique for Anadarko

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Anadarko​ today announced its seventh well in the discovery area offshore Mozambique successfully appraised previous discoveries at Lagosta and Camarao.

The Lagosta-2 appraisal well, located about 4.4 miles (7 kilometers) north of the Lagosta discovery and 5.3 miles (8.5 kilometers) south of the Camarao well, encountered 777 total net feet (237 meters) of natural gas pay in multiple zones.

“This is the largest pay count of any well in the complex to date, and it seems fitting that our seventh successful well in the discovery area would encounter 777 net feet of pay,” said Bob Daniels, Anadarko Sr. Vice President, Worldwide Exploration.

“These excellent results continue to support our recoverable resource estimates of 15 to 30-plus Tcf (trillion cubic feet) of natural gas in the discovery area on our block, as well as provide additional information that will be incorporated into our models to help determine the optimal subsea development plans for the complex. In addition, a second deepwater drillship, the Deepwater Millennium, has arrived in Mozambique to begin an accelerated testing program that will include installing observation gauges and conducting several drillstem tests, as we remain on track to reach a final investment decision for this project in 2013.”

The Lagosta-2 appraisal well was drilled to a total depth of approximately 14,223 feet (4,335 meters) in water depths of approximately 4,813 feet (1,467 meters) in the Offshore Area 1 of the Rovuma Basin. The partnership plans to preserve the Lagosta-2 well for future utilization during its planned drillstem testing program in the Windjammer, Barquentine and Lagosta complex. Once operations are complete, the Belford Dolphin deepwater drillship will be mobilized to drill the Lagosta-3 appraisal well.

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.

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