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401031826 19 2016-04-21T14:21:52.09-06:00 47120 KERR MCGEE OIL & GAS ONSHORE LP

P O BOX 173779

DENVER CO 80217-3779 Sam LaRue 970 336-3500 970 515-1238 Sam LaRue Senior HSE Representative 2016-04-21T14:21:52.09-06:00 2016-04-21T14:21:52.073-06:00 445511 in process Cwasko 2016-04-19T20:16:20.057-06:00 Cwasko Sam.LaRue@anadarko.com 0.00000 Sam.LaRue@anadarko.com Cwasko Cwasko 2016-04-21T14:21:47.183-06:00 401025877 401031826 CANFIELD, CHRIS 2016-04-11T00:00:00-06:00 FLOWLINE 05 123 39946 WELD SWNW 11 1N 68W 6 Y NON-CROP LAND 70's, Sunny. 0 0 On April 11, 2016, an operator discovered oil surfacing above a flowline during routine activities for the Como 13C-14HZ wellhead. More than one barrel of oil was released outside secondary containment. Site assessment activities are on-going and will be summarized in a Supplemental Form 19. 401025877 true 2016-04-11T00:00:00-06:00 40.068218 -104.975426 City of Dacono FEE 0 0 0 false <_x0032_7_approved>false S false >=5 and <100 0 0 0 0 false false true false false 0 2016-04-12T09:19:02.593-06:00 401031826 401031826 FORM 19 SUBMITTED 401031826.pdf 401031826 401031830 TOPOGRAPHIC MAP Figure 1 - Como 13C-14HZ.pdf 877283 401031826 1 SPILL 2016-04-11T00:00:00-06:00 County Roy Rudisill

-Email 401031826 2 SPILL 2016-04-11T00:00:00-06:00 County Troy Swain

-Email 401031826 3 SPILL 2016-04-11T00:00:00-06:00 County Tom Parko

-Email 401031826 4 SPILL 2016-04-11T00:00:00-06:00 City of Dacono J. Krieger

-Email 401031826 5 SPILL 2016-04-11T00:00:00-06:00 Land Owner Private

-Via Attorney 401031826 1 2016-04-21T00:00:00-06:00 0 0 true false false false false false 13 false On April 11, 2016, an operator discovered oil surfacing above a flowline during routine activities for the Como 13C-14HZ wellhead. Approximately 20 barrels of oil were released and recovered outside secondary containment. Approximately 30 cubic yards of impacted material have been excavated and transported to the Front Range Regional Landfill in Erie, Colorado for disposal. Site assessment and excavation activities are on-going at this time and will be summarized in a subsequent Supplemental Form 19. Clay to silty sand. 227 2 445 450 1455 20 20 0 0 0 0 0 0 0 0 false false 0 0 false false false false false false false false true true false true 31 21 401031826 1 2016-04-19T00:00:00-06:00 false true false false During routine operations, an operator discovered a release that had surfaced above the flowline. The root cause of the flowline failure is being investigated. Appropriate actions will be taken pending the results of the flowline investigation.The flowline will be replaced. 30 false false false 0 0 Thread was being aborted.