Zohr: Gas Upgrade

Egyptian state gas firm EGAS has hiked its estimate of gas in place at Eni’s 2015 Zohr deepwater discovery to 32 tcf from 30 tcf – suggesting a hike in likely recoverable reserves from 23 tcf to 25 tcf.

This follows analysis of the recently-completed second appraisal well, indicating a thicker gas carrying layer than the first. Drilled in February, the first appraisal well “encountered 455ms of continuous hydrocarbon column in the carbonate sequence with excellent reservoir characteristics” (MEES, 26 February).

An EGAS source tells Daily News Egypt that the results of the second well indicate that per-well output could be 250mn cfd rather than 150mn cfd. If these estimates are borne out by subsequent drilling – a third appraisal well is underway – this could result in either the need for fewer wells (and thus cost savings) or higher output. Zohr was only discovered last August, with a development plan approved in February.


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