Anadarko Petroleum Corporation 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.”
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 Camarao 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.
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ATP Oil & Gas Corporation today announced the successful completion and testing of the second Clipper well at rates of 9,000 Bbls per day and 4.6 MMcf per day.
When combined with the first Clipper well this brings the total test rates to approximately 13.7 MBbls of oil per day and 50.2 MMcf of natural gas per day or 22 MBbls equivalent per day (62% oil).
The second Clipper well is the #4 well located at Green Canyon 300 (GC 300) in the deepwater Gulf of Mexico. The #4 well, located in approximately 3,450 feet of water, logged approximately 56 feet of net oil pay confirming reserves previously booked. The 9-5/8 inch casing was set at 15,778 feet measured depth through the pay intervals. In July 2011, ATP successfully completed and flow tested the first Clipper well, GC 300 #2 ST #1, at a rate of 4,656 Bbls per day and 45.6 MMcf per day.
The pipeline lay barge for the Clipper wells is contracted for third quarter 2012 and will tie in both the GC 300 #4 and #2 wells to the Murphy Oil-operated Front Runner production facility. ATP operates Clipper and presently owns a 100% working interest.
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Anadarko Petroleum Corporation today announced the successful Itaipu-2 pre-salt appraisal well, located in block BM-C-32 in the Campos Basin offshore Brazil. The well was drilled to total depth of approximately 16,000 feet (4,877 meters) in 4,660 feet (1,420 meters) of water, and encountered a gross petroleum column of approximately 58 net feet (18 meters) in a pre-salt carbonate reservoir.
“The pre-salt Itaipu-2 well is an aggressive step-out from the Itaipu discovery well, which is located 4 miles (7 kilometers) northwest,” Anadarko Sr. Vice President, Worldwide Exploration, Bob Daniels said. “The Itaipu-2 well established a fluid contact and appears to have successfully extended the accumulation 120 meters downdip from the discovery. Accordingly, the appraisal well significantly increases the areal extent of the vast Itaipu field, and we believe incorporating the data from both the appraisal well and the original discovery well will increase our previous resource estimates for the field. We are very pleased with these results and look forward to continued activity on the block.”
Anadarko, through a wholly owned subsidiary, holds a 33.3-percent working interest in BM-C-32. BP operates the block with a 40-percent working interest and Maersk Oil holds a 26.7-percent working interest.
Separately, Anadarko also is currently drilling an appraisal of its post-salt Itauna discovery on block BM-C-29, and plans to spud the Wahoo-4 pre-salt appraisal well on block BM-C-30 around the end of the year.
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