UK-based independent oil and gas firm Savannah Petroleum has discovered oil at its Amdigh-1 exploration well in the Agadem Rift Basin (ARB) in south-east Niger.

Located in the R3/R4 area of ARB, the well encountered an estimated 22m of net oil-bearing reservoir sandstones in the E1 and E2 reservoir units within the primary Eocene Sokor Alternances objective.

This was indicated by preliminary results based on the available dataset, which includes wireline logs, fluid sampling and pressure data.

The company drilled the well, which is its second in a three-well drilling operation, using the GW 215 Rig to a total measured depth of 2,469m.

“Two discoveries from our first two ARB exploration wells is clearly encouraging for the future of our Niger project.”

Savannah Petroleum CEO Andrew Knott said: “Two discoveries from our first two ARB exploration wells is clearly encouraging for the future of our Niger project.

“Given these successes, we have now engaged external consultants to commence detailed development concept evaluation work around the creation of a potential R3 East Area Early Production System.”

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The company has suspended the well for future re-entry and intends to conduct a production test on it upon receipt of results from the current drilling campaign at the Kunama-1 well.

A downhole completion assembly will be installed to Amdigh-1 to prepare the well for future production.

The rig will now be moved to Kunama-1 to spud the exploration well.

Savannah Petroleum chairman Steve Jenkins said: “Amdigh is a significant discovery for Savannah, which I believe, alongside Bushiya, has the potential to underpin a future R3 East development hub.”

Located 12km from Amdigh-1, the Kunama-1 well is designed to assess potential oil pay in the Eocene Sokor Alternances as the primary target.