By Upstream staff
04/10/08Swedish explorer Lundin Petroleum said the Block 5B partners have plugged and abandoned the Nyal-1 well, drilled in the Muglad basin block in Sudan, as a dry hole.
Lundin said the well, drilled on the Muglad basin's western flank, reached a total depth of 2363 metres.
Nyal-1 found the target Aradeiba and Bentiu sandstones as forecast, underlain by shales of the Abu Gabra formation.
There were minor gas shows from 1475 metres to target depth, but no oil shows were recorded.
The well is the first of a four-well programme planned for Block 5B this year.
Nyal-1 was drilled using the ZPEB 747 rig on a dry land location to the south-west of the
The next two wells will be drilled on the eastern flank of the basin, in the swamp, and will be drilled using a barge-mounted drilling rig complex.
The first of these wells, Wan Machar-1, formerly Umm Dandalo, will spud this month.
The Block 5B partners are Petronas Carigali (39%), Lundin Petroleum (24.5%), ONGC Videsh (23.5%) and Sudapet (13%).
The partners are set to assign a 10% stake in the block to the National Oil Company of Southern Sudan, with the interest to be allocated on a pro rata basis from each of the partners' shares.
The operator of Block 5B is White Nile Petroleum Operating Company a joint venture between Sudapet and Petronas.
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