Talos Energy: Proves oil with first well offshore Mexico

Talos Energy’s first exploration well offshore Mexico has discovered potentially large oil volumes in the Zama prospect.

The ENSCO 8503 semisubmersible drilling rig spudded the Zama-1 well in block 7 in the Sureste basin on May 21 in 546 ft (166 m) of water, 37 mi (60 km) from the Port of Dos Bocas.

Initial analysis suggests the well intersected a contiguous gross oil-bearing interval of more than 1,100 ft (335 m), with 558-656 ft (170-200 m) of net oil pay in Upper Miocene sandstones, and no water contact.

Results indicate in-place oil in the range of 1.4-2 Bbbl, above pre-drill estimates, and the structure could extend into a neighboring block.

Tests of hydrocarbon samples recovered to the surface revealed light oil, with API gravities between 28° and 30° and some associated gas.

At present, the well has reached an initial shallow TVD of around 11,100 ft (3,383 m). A liner is being set to protect the discovered reservoirs, prior to drilling deeper exploratory objectives to a TVD of roughly 14,000 ft (4,200 m).

There are no plans for immediate well testing, and further evaluation will be needed to calibrate the well with reprocessed seismic in order to determine future plans and optimal follow up locations for delineation drilling.

Talos Energy is in partnership with Sierra Oil and Gas and Premier Oil in blocks 2 and 7, respectively offshore the Veracruz and Tabasco states.


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