<_x0034_00844376>

400844376 19 2015-05-26T19:58:06.61-06:00 10312 PROSPECT ENERGY LLC

500 DALLAS STREET SUITE 1800

HOUSTON TX 77002 Dene Martin 307 382-6738 307 -389-8755 Mary C. Griggs Reg/Environ. (Contractor) 2015-05-26T19:58:06.61-06:00 2015-05-26T19:58:06.577-06:00 441826 in process mcgriggs 2015-05-26T18:21:08.813-06:00 mcgriggs mary.griggs@memorialrd.com 0.00000 dmartin@memorialrd.com mcgriggs mcgriggs 2015-05-26T19:58:04.483-06:00 400841165 400844376 ALLISON, RICK 2015-05-16T00:00:00-06:00 FLOWLINE LARIMER NWNW 30 8N 68W 6 Y NON-CROP LAND Cloudy, overcast, 50 degrees 0 0 An oil stain was noted on the ground on 5/16/15. The stain was discovered during a routine dailiy inspection. The leak was determined to be from the 3 inch diameter production flow line, located near the oil production tanks of the Fort Collins tank battery. All wells connected to the flow line were shut in, stopping any active flow in the line. Line locations were made on 5/17/15, and excavation occurred on 5/18/15. Excavation exposed a leak in a 3 inch threaded pipe connection, caused by corrosion. A hydrovac truck evacuated liquids and slurry. 5 bbls was estimated to be spilled. Additional soil is planned to be removed. A section of the flowline will be replaced. The spill was approximately 992 feet from surface water, 302 feet from wetlands, 303 feet from the nearest occupied building, and 600 feet from the nearest water well (DNR plot of water well). 333083 400841165 true 2015-05-16T00:00:00-06:00 40.637190 -105.053590 FEE Operator owns surface 0 0 0 false <_x0032_7_approved>false S false >=5 and <100 0 0 0 0 true false false true false 0 2015-05-18T16:58:50.077-06:00 400844376 400844376 FORM 19 SUBMITTED 400844376.pdf 400844376 400844379 AERIAL PHOTOGRAPH One half mile radius aerial.pdf 870371 400844376 400844380 TOPOGRAPHIC MAP One half mile radius topo.pdf 663483 400844376 1 SPILL 2015-05-18T00:00:00-06:00 City of Fort Collins Dan Weinheimer

Dan will notify City Council

970 416-2253 400844376 1 2015-05-26T00:00:00-06:00 0 0 true false false false false false 11 false Excavation of stained soil from the current release. Gravel/road base on top of fill soil. Native soil is clay and is about 6.25 feet below the surface on average. 20 6 600 992 302 303 Existing fill soil has asphaltines and other potential pre-existing hydrocarbons. While operating the backhoe to extract soil, the tooth of the bucke pierced an unknow 3" diameter poly flowline containing produced water and oil under approximately 55 lbs of pressure. The existing excavation was able to contain the 9.8 bbls of produced water and 0.2 bbls of oil. A vac truck on stand-by was able to recovered the 10 bbls of fluid, and washed down the oil film left on the floor and walls of the excavation. Production of the affected portion of the field was shut in until a 3" diamter compression clamp was installed. Production was turned back on and no leaks were detected. Soil samples were collected from the excavation, per direction of the COGCC representative. Samples were collected from the west wall at 6 feet, the north wall at 6.5 feet, the south wall at 7 feet, the east wall at 7 feet, and the bottom at 11 feet. Soil analytical results are expected to be received by May 29, 2015. Groundwater was not encountered in the excavation (11 feet). The depth to groundwater was not listed for the nearby wells. The depth to groundwatern (20 feet) is an estimate. 5 5 0 0 10 10 0 0 0 0 false false 0 0 false false false false false false false false false true false true 20 12 Thread was being aborted.