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Home My WebLink About2015 Kuparuk Undefined PoolGreater Kuparuk Area 2015 Undefined Pool Report Moraine & Ugnu Formations Reporting Period January 1 to December 31, 2015 Page left blank intentionally. Page left blank intentionally. Attachment 1 Moraine Formation 2015 Report Operations Review MORAINE PILOTS/ STUDIES The Moraine 1 core well was cored, logged, and sampled in early 2015 to further test the potential of the Moraine reservoir (previously the interval was flow tested via Kuparuk well 3S‐19 in 2013 and 2014). After obtaining all of the relevant samples and data, the Moraine 1 was plugged and abandoned in 2015. A horizontal producer, well 3S‐620, was drilled in early 2015, hydraulically stimulated in May 2015, and put on production in June 2015. The general objective of the 3S‐620 was to evaluate the economic viability of a stimulated horizontal well in the Moraine reservoir. Well 3S‐620 was produced until the end of January 2016 to gather long‐term liquid rates, water cut trends, and pressure changes in the Moraine reservoir. The Kuparuk River Unit Owners plan to spud their first dedicated injector, well 3S‐613, in the second quarter of 2016 to pressure support well 3S‐620 and to evaluate the waterflood performance of the Moraine Reservoir. Page left blank intentionally. Attachment 2 Ugnu Formation 2015 Report Operations Review UGNU PILOTS/ STUDIES The Kuparuk River Unit working interest owners re‐started the Ugnu Heavy Oil pilot and established stabilized oil flow from well 1H‐401 during December 2013. A down hole heater was used to lower the oil viscosity sufficiently to allow viscous oil to flow via a progressive cavity pump installed in the well. The well has been online for most of the time since installation of the down hole heater and continues to produce. Page left blank intentionally.