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400841259 19 2015-05-19T09:59:34.28-06:00 10000 A BP AMERICA PRODUCTION COMPANY

380 AIRPORT RD

DURANGO CO 81303 Andrew Hawk 970 375-7590 970 394-0253 Andrew Hawk Environmental Advisor 2015-05-19T09:59:34.28-06:00 2015-05-19T09:59:34.267-06:00 441607 in process HawkA 2015-05-19T09:24:25.86-06:00 HawkA andrew.hawk@bp.com 0.00000 andrew.hawk@bp.com HawkA HawkA 2015-05-19T09:59:31.72-06:00 400831549 400841259 Hughes, Jim 2015-04-27T00:00:00-06:00 WELL PAD LA PLATA SWNE 27 33N 7W N N NON-CROP LAND Overcast, light rain. 52 degrees. 0 0 At approximately 1700 hours on 4/27/2015 a 6 inch suction hose feeding a mud pump on the drilling rig leaked. The leak resulted in approximatley 5 barrels of fresh water based bentonitic drilling mud being deposited on the well pad surface. None of the drilling mud left the location and all released material was contained within the external pad berm. A vacuum truck responded to the location and removed all of the released material. The mud pumps were shut down to stop the release and all mud lines were secured. 426072 400831549 true 2015-04-27T00:00:00-06:00 37.077325 -107.595301 FEE Linda L Parry 0 0 0 true <_x0032_7_approved>false S false 0 0 0 >=1 and <5 0 true false false true false 0 2015-04-28T07:13:00.233-06:00 Approximately 5 barrels of freshwater based bentonitic drilling mud. 400841259 400841259 FORM 19 SUBMITTED 400841259.pdf 400841259 1 SPILL 2015-04-27T00:00:00-06:00 COGCC Jim Hughes

Left phone message.

970 884-0491 400841259 2 SPILL 2015-04-28T00:00:00-06:00 La Plata County Butch Knowlton

Sent an email on 4/28.

970 382-6270 400841259 1 2015-05-19T00:00:00-06:00 1 0 true false false false false false false Visual assement of the impacted area at the time of the release. The release was contained within the drilling pad. The pad is flat and is constructed of compacted native material high in clay content. 65 3 2000 600 1800 0 0 0 0 0 0 5 5 0 0 false false 0 0 false false false false false false false false true true false true 20 30 2 400841259 1 2015-05-19T00:00:00-06:00 false true false false The mud hose serving the rig mud pump suffered a material failure. Soil that was impacted by drilling mud was removed from the location and the mix of drilling mud and soil was sent to the Envirotech Landfarm in New Mexico for remediation. The damaged hose was removed from service and replaced with a new hose. All other hoses on the rig were inspected for flaws or signs of wear before reactiviating the mud pumps. 3 true false false 0 0 Thread was being aborted.