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400647880 19 2014-07-22T15:32:21.877-06:00 47120 KERR MCGEE OIL & GAS ONSHORE LP

P O BOX 173779

DENVER CO 80217-3779 Mike Dinkel 720 929-6368 785 691-7788 Mike Dinkel Senior HSE Representative 2014-07-22T15:32:21.877-06:00 2014-07-22T15:32:21.86-06:00 in process JBARKER 2014-07-21T13:39:22.25-06:00 JBARKER mike.dinkel@anadarko.com 0.00000 mike.dinkel@anadarko.com JBARKER JBARKER 2014-07-22T15:32:18.22-06:00 400644143 400647880 2014-07-13T00:00:00-06:00 WELL 05 123 37911 WELD SWNW 32 1N 67W 6 N NON-CROP LAND Warm, mostly clear 0 0 On July 13, 2014, while moving drilling mud storage tanks into position at the Howard 30C-29HZ drill site, a side hatch on one of the tanks was damaged, releasing approximately 43.75 bbls of water-based drilling mud into the lined containment. Clean up operations involving vacuum trucks and power washers were conducted; all 43.75 bbl were recovered. No drilling mud left the lined containment, and the release did not threaten to enter a water of the state. 400644143 true 2014-07-13T00:00:00-06:00 40.008551 -104.922354 FEE 0 0 0 true <_x0032_7_approved>false S false 0 0 0 >=5 and <100 0 true false true false false 0 2014-07-14T11:14:18.97-06:00 400647880 400647880 FORM 19 SUBMITTED 400647880.pdf 400647880 400648455 TOPOGRAPHIC MAP Howard 3C-29HZ Figure 1.pdf 1736127 400647880 1 SPILL 2014-07-13T00:00:00-06:00 County Tom Parko

email 400647880 2 SPILL 2014-07-13T00:00:00-06:00 County Roy Rudisill

email 400647880 1 2014-07-22T00:00:00-06:00 1 0 false false false false false false 0 false The entire 43.75 barrel release volume was contained within the lined 50' by 70' containment; no drilling mud impacted any other media. Because the entire 43.75 barrel release was recovered and no media were impacted, no soil samples were collected. As there are no remaining site impacts, a No Further Action determination is being requested. Sandy loam 489 7 1462 450 1575 0 0 0 0 0 0 44 44 0 0 false false 0 0 false false false false false false false false true true false true 70 50 6 400647880 1 2014-07-22T00:00:00-06:00 true false false false During operations, two drilling mud storage tanks were placed too close together, causing two bolts on the tank cleanout plate to fail. Subcontractors will utilize a spotter when moving tanks to provide enough space between tanks. 0 false false false 0 0 Thread was being aborted.