A regional geological and prospectivity evaluation was undertaken to support the ongoing mandate of the Grenada Hydrocarbons Technical Working Group. The study area includes the Grenada Basin, positioned between the eastern margin of the Aves Ridge and the western flank of the Lesser Antilles Arc, along with the western sector of the Tobago Trough, together covering approximately 28,000 km². Within this extensive area, only a single well has been drilled to date, leaving the basins largely underexplored, with up to 12km of sedimentary sequence to be evaluated.

The proximity of proven gas accumulations, in Venezuela and Trinidad and Tobago, demonstrates the existence of an active petroleum system within the Middle Miocene to Pliocene sections. Seismic interpretation ,including DHIs such as amplitude anomalies and gas chimneys, provides clear evidence that the play extends into the western Tobago Basin within Grenada’s maritime boundary.

Deeper possible plays, in the Eocene and Oligocene sections, have not been tested in the region yet. The technical evaluation suggests that a significant quantity of clastic sediment reached the Grenada Basin and Tobago Trough during these periods of time, likely derived from the ancient proto-Maracaibo River. Multiple channels, turbidites, fan and mass transport complex have been identified in the recent analysis presented.

Although, definitive evidence for thermogenic source rocks within the Grenada Basin and Tobago Trough remains uncertain, the occurrence of Eocene, Oligocene, and Miocene source rocks documented in adjacent regions combined with thick sedimentary sequences suggests favourable conditions for their deposition and potential hydrocarbon generation.

The technical evaluation enhances the understanding of Grenada’s petroleum system and demonstrates the potential for prospective hydrocarbon resources.