Figure 1 - Subsurface interpretation following completion of Alameda-1 exploration well The objective of the second exploration well of the two well program (designated Zapato-1) was to test whether the Zapato structure, identified by studying gravity and magnetic data sets, could be the source of the very light oil (50 – 64.5º API) present in the historic Motembo oil field. The well successfully reached planned total depth of 3,150 metres measured depth but did not reach the target formation given the greater than expected thickness of the ophiolitic sequence that existed above it (see Figure 1). The Company is reviewing the results of this well in conjunction with further desktop studies to incorporate these learnings into its interpretation of the subsurface lithology of this area of Block 9. Figure 2 - Subsurface interpretation near total depth for Zapato-1 13 Melbana Energy Limited Annual Report 2023
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