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400926013 19 2015-10-28T14:37:59.313-06:00 49100 KOCH EXPLORATION COMPANY, LLC

950 17TH STREET #1900

DENVER CO 80202 Jordan Radin 720 201-4941 720 201-4941 Darlene Tadlock E&P Technician 2015-10-28T14:37:59.313-06:00 2015-10-28T14:37:59.297-06:00 in process tadlockd 2015-10-28T09:10:54.843-06:00 tadlockd tadlockd@kochind.com 0.00000 radinj@kochind.com tadlockd tadlockd 2015-10-28T14:37:57.127-06:00 400926013 400926013 2015-10-24T00:00:00-06:00 WELL 05 103 10113 RIO BLANCO NWSE 29 2N 96W 6 N NON-CROP LAND Clear, mild 0 0 The cause of the spill is not yet known but will be the subject of a formal investigation. The spill originated from the disposal well tank battery and was 100% contained inside secondary containment. The spilled fluids were recovered by a vacuum truck within 8 hours of the spill. As this spill occured on a Saturday not all details are immediately available. Details of oil and produced water spill volume estimates and how the spill was stopped will be provided in Supplemental Form 19. 400926013 true 2015-10-24T00:00:00-06:00 40.110970 -108.186900 FEDERAL Bureau of Land Management 0 0 0 false <_x0032_7_approved>false I false Unknown 0 Unknown 0 0 true true true false false 0 2015-10-28T09:10:55.47-06:00 400926013 Initial Form 19 was submitted via email on 10/25/15 by Jordan Radin, Compliance Manager. 400926013 400926013 FORM 19 SUBMITTED 400926013.pdf 400926013 1 SPILL 2015-10-24T00:00:00-06:00 BLM Bud Thompson

Happy that we were cleaning it up quickly. Asked us to call Justin Wilson (BLM) on Monday 10/26.

970 878-3828 400926013 2 SPILL 2015-10-24T00:00:00-06:00 COGCC Kyle Granahan

Left Message

970 878-3247 400926013 3 SPILL 2015-10-25T00:00:00-06:00 COGCC Stan Spencer

Left Message

970 878-2891 400926013 4 SPILL 2015-10-25T00:00:00-06:00 Rio Blanco County Mark Sprague

Left Message

970 878-9580 400926013 1 2015-10-28T00:00:00-06:00 1 0 true false false false false false 0 false Visual Observation Clay loam 50 0 5 5 0 0 220 220 0 0 0 0 false false 0 0 false false false false false false true true true true true true 95 47 2 400926013 1 2015-10-28T00:00:00-06:00 true false false false Two siphon valves (between gun barrel and water charge tank) were shut by 3rd party water truck driver to pull water from the charge tank for rig use. Valves were errantly left closed, causing produced water to overfill the gunbarrel tanks and escape through the suction vents that are part of the water siphon vent line. Most of the overflow occurred at the suction vents. A small amount of oil came from the top of the oil tank when the siphon valves were opened on 10/24 (due to a rapid influx of fluid to the oil tank). Review operating procedures with site and water truck operators. Evaluating practicality of high-level alarm system for the gunbarrel tanks. 0 false false false 0 0 Thread was being aborted.