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Anadarko Finds Hydrocarbons Offshore Sierra Leone
Anadarko’s Jupiter-1 exploration well in Block SL-07B-11 offshore Sierra Leone has encountered hydrocarbons. This has been confirmed by the results of drilling, wireline logs and samples of reservoir fluids.
The well, located over 25 kilometres west of the Mercury-1 well which discovered oil in the block, intersected 30 metres of hydrocarbon pay in the primary Upper Cretaceousobjective and did not encounter a hydrocarbon water contact. The well has been preserved for possible future re-entry, as the area is likely to require additional evaluation.
Jupiter-1 was drilled by the Transocean Discoverer Spirit drillship to a total depth of 6,465 metres in a water depth of 2,199 metres. On completion of operations, the drillship will move 15km northeast to the Mercury-2 well which will target several reservoir levels including extensions of the oil accumulations discovered by the Mercury-1 well.
Anadarko (55%) is Operator of offshore Block SL-07B-11 along with partners Repsol (25%) and Tullow (20%).
Angus McCoss, Exploration Director of Tullow, commented today:
“Jupiter is the third discovery in the Liberian Basin by Tullow and its Partners and provides further support for the stratigraphic play in the region. The presence of a working petroleum system producing gas and light oil in the basin is encouraging. Our technical teams will continue evaluating prospectivity across our significant regional acreage position. We will further test the play through the drilling of Mercury-2 in Sierra Leone and Kosrou-1 which is currently drilling in Côte d’Ivoire.”
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USA: McMoRan Encounters More Hydrocarbons at Lafitte Prospect
McMoRan Exploration Co., a shallow water Gulf of Mexico exploration company, reported yesterday that its Lafitte ultra-deep prospect, which is located on Eugene Island Block 223 in approximately 140 feet of water, has encountered additional hydrocarbons.
The well has been drilled to a true vertical depth of 29,756 feet and has been logged with wireline logs to 29,740 feet. The wireline log results indicated 56 net feet of hydrocarbon bearing sand over a 58 foot gross interval in the Cris-R section of the Lower Miocene with good porosity. Flow testing will be required to confirm the ultimate hydrocarbon flow rates from this zone, which was full to base. McMoRan controls approximately 15,000 gross acres in the immediate area of Lafitte.
The new Cris-R sand interval combined with the 115 feet of potential net pay (250 gross feet) announced previously brings the total possible productive net sands to 171 feet in the Lafitte well. These results enhance the potential of McMoRan’s other acreage in the Lafitte strategic area, including McMoRan’s Barataria and Captain Blood ultra-deep prospects. Barataria (10,000 gross acres) is located westsouthwest of Lafitte and Captain Blood (10,000 gross acres) is located immediately south of Lafitte.
McMoRan plans to apply for a permit to deepen the Lafitte well to a proposed total depth of 32,000 feet to evaluate deeper Miocene and Oligocene objectives. Lafitte is McMoRan’s third ultra-deep prospect to encounter Miocene age sands below the salt weld on the GOM Shelf. McMoRan holds a 72.0 percent working interest and a 58.3 percent net revenue interest in Lafitte. Other working interest owners in Lafitte include Energy XXI (NASDAQ: EXXI) (18.0%) and Moncrief Offshore LLC (10.0%).
McMoRan Exploration Co. is an independent public company engaged in the exploration, development and production of natural gas and oil in the shallow waters of the GOM Shelf and onshore in the Gulf Coast area.
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Brazil: Petrobras Discovers Hydrocarbons in Campos Basin
Petroleo Brasileiro SA , Brazil’s state-controlled oil company, found traces of oil and gas in an offshore well in the C-M-95 block of the country’s Campos Basin.
The discovery in well 3BRSA960DRJS hasn’t yet been declared commercially viable, according to a posting on the website of Brazil’s National Petroleum Agency.
Petrobras owns 100 percent of the well.
By Karen Eeuwens (Bloomberg)
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