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12 May 2008 15:50 GMT | more prices >>

Hopes fade for Wan Machar-1



By Upstream staff 

Swedish explorer is waiting on logs to confirm that the Wan Machar-1 well, in Block 5B, Sudan, is a dry hole.

Wan Machar-1 found the target Aradeiba and Bentiu sandstone reservoirs as planned, underlain by shales of the Abu Gabra formation.

Lundin said there were minor gas shows from 675 metres to the total depth of 1466 metres, but no oil shows were recorded.

The company said that if logging work, which has been delayed due to technical poblems, confirms a duster, the well will be plugged and abandoned.

The well, drilled in swampy territory on the eastern flank of the southern Muglad basin, is the second of a four-well programme scheduled for Block 5B this year.

Lundin added that initial indications are that the structure and reservoir conditions are favourable for hydrocarbons, but that the maturity of the source rock in the two drilled flank locations may be the reason for the lack of gas and oil shows.

The results of the first two exploration wells will be analysed to get a better understanding of the regional geology of the southern Muglad basin. The next well locations are both closer to the central part of the basin where it is believed that the source rock quality and maturity will improve.

The partners in Block 5B are Petronas (39%), Lundin (24.5%), ONGC Videsh (23.5%) and Sudapet (13%).


08 May 2008 14:43 GMT  | last updated: 08 May 2008 14:43 GMT

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