Central Graben
1 August 2015

12 - Deviated Ockley dip-closed HPHT appraisal and Oakwood exploration. The Ockley, Upper Cretaceous Upper Hod reservoir was drilled as a pilot hole for the 30/1d-12Z horizontal well. The well drilled a 246 ft section in the Ockley reservoir at 13,557 ft (12,683 ft TVDSS) with an average porosity of 12.4% and Sw of 38.8%. The Oakwood stratigraphic pinch-out had Upper Jurassic objective. Heather Formation claystones were interbedded with 26 ft net sand (net/gross 0.31), an average porosity of 15.6% and Sw of 48% below 15,035 ft (13,830 ft TVDSS).
12Z - Horizontal Ockley HPHT appraisal. The Upper Cretaceous Upper Hod reservoir (Ockley unit) was drilled from 13,855 ft to TD at 18,566 ft (12,688–12,784 ft TVDSS) with an average porosity of 11.6% and Sw of 37.6%. The completion could not be run to TD. The Hod was fracturestimulated and the DST flowed 674 bopd, 4.1 mmcfgpd during the main flow period.

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