Desire Drills Second Duster at Dawn/Jacinta Prospect

Desire advised that the 25/5-1 well on the Dawn/Jacinta prospect has reached a total depth of 1,697 meters in pre-rift sediments.

Based on preliminary drilling and wireline logging data there are no significant hydrocarbons in the Dawn prospect and the well will be plugged and abandoned with gas shows around 1,434 meters. The lithology in the section from 1,313 to 1,697 meters is predominantly claystone and good quality sandstone with 71metres of net reservoir based on initial log analysis.

Wireline logging and abandonment operations will now be completed and the rig will then go to Rockhopper Exploration to drill 1 or 2 wells, subject to regulatory approval, before returning to Desire to drill a well at a location still to be finalized and subject to regulatory approval.

The Dawn well was testing a significant fault block at the southern margin of the main basin, some 28 km from previous well control, with primary reservoir targets in the syn-rift and pre-rift. These targets are stratigraphically older than the reservoirs in the East Flank play. The implication of the well results for remaining prospectivity in this part of the basin will be assessed once the new data has been integrated and all post-well studies are completed.

Subsurface support is provided to Desire Petroleum by Senergy (GB) Ltd and the results reported today are based on the work of the Senergy operations team.


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