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Home My WebLink About2018 Kuparuk Undefined Pool Greater Kuparuk Area 2018 Undefined Pool Report Ugnu Formation Reporting Period January 1 to December 31, 2018 Page left blank intentionally. ConocoPhillips Kazeem Adegbola Manager, GKA Base Production & Optimization Greater Kuparuk Area ConocoPhillips Alaska, Inc. ATO-1376 PO Box 100360 Anchorage AK 99510-0360 Phone (907) 263-4027 March 29, 2019 Ms. Jessie Chmielowski, Commissioner Alaska Oil and Gas Conservation Commission 333 West 7th A e. Suite 100 Anchorage, Alaska 99501-3539 Re: 2018 Undefined Oil Pool Reservoir Report Dear Commissioner Chmielowski, In compliance with Title 20 AAC 25.517, ConocoPhillips Alaska, Inc., operator of the Kuparuk River Unit, is hereby submitting the Plans of reservoir development and operation for Undefined Oil Pools. This report documents the required information pertinent to the field development and enhanced recovery operations from January through December 2018. The following is an outline of the information provided: a. A summary of reservoir development and operation for the Ugnu Undefined Oil Pool (Attachment 1). If you have any questions concerning this data, please contact Kazeem Adegbola at (907) 263-4027. Sincerely, Kazeem Adegbola Manager, GKA Base Production and Optimization Greater Kuparuk Area Page left blank intentionally. Attachment 1 Ugnu Formation 2018 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 was online for approximately 10 cumulative months until it was shut in March of 2016 due to a failed pump. In 2017 and 2018, elastomer studies were completed to redesign a downhole pump more appropriate for the fluid chemistry and downhole conditions. A new pump design has been selected and plans are in place to restore the well to production in early 2019. Page left blank intentionally.