Weld County oil and gas spill report for Oct. 2 | MyWindsorNow.com

Weld County oil and gas spill report for Oct. 2

Trevor Reid
treid@greeleytribune.com

The following spills were reported to the Colorado Oil and Gas Conservation Commission in the past two weeks.

Information is based on Form 19, which operators must fill out detailing the leakage/spill events. Any spill release that may impact waters of the state must be reported as soon as practical. Any spill of five barrels or more must be reported within 24 hours, and any spill of one barrel or more, which occurs outside secondary containment, such as metal or earthen berms, must also be reported within 24 hours, according to COGCC rules. Spills and leaks are typically found during routine maintenance on existing wells, though some actual "spills" do occur among the 23,000-plus wells in the country.

NOBLE ENERGY INC., reported Sept. 28 a spill in Evans, south of 54th Street Road and Weld County Road 396. Between one and five barrels of produced water spilled. Workers discovered historic impacts during abandonment activities. A soil boring indicated groundwater impacts above standards for total xylenes.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 27 a spill about 2 miles west of Fort Lupton, near Weld roads 14.5 and 23. Less than five barrels of oil, condensate and produced water spilled. Workers discovered the historic release during abandonment activities.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 27 a spill about 3 miles northeast of Fort Lupton, near Weld roads 18 and 35. Between one and five barrels of oil and produced water spilled. An equipment failure on a pumping unit caused the release.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 27 a spill southeast of Windsor, near Colo. 257 and Crossroads Boulevard. Less than five barrels of oil, condensate and produced water spilled. Groundwater was encountered about four feet below ground surface. Results indicated the benzene concentration was above the applicable COGCC Table 910-1 standard.

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BONANZA CREEK ENERGY OPERATING COMPANY LLC, reported Sept. 25 a spill about 5 miles south of Briggsdale, near Weld roads 74 and 79. About 12 barrels of oil spilled. During maintenance, an operator removed a two-inch bull plug after the pressure gauges indicated the pressure was off the vessel. The separator plugged off prior to being fully blown down, working the plug free and releasing the remaining contents of the separator.

EXTRACTION OIL & GAS INC., reported Sept. 23 a spill in Greeley, near 10th Street and 71st Avenue. About 10 barrels of flow back fluid spilled. During completion activities, fresh water leaked out of the pipe fitting.

BAYSWATER EXPLORATION AND PRODUCTION LLC, reported Sept. 22 a spill about 2 miles northeast of Eaton, near Weld roads 76 and 43. Between one and five barrels of oil spilled. A flowline rupture caused the release. Workers speculate corn-cutting equipment ruptured the flowline.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 21 a spill between Platteville and Fort Lupton, near Weld roads 22 and 25. Less than five barrels of oil, condensate and produced water spilled. Workers discovered historic impacts during abandonment activities.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 20 a spill about 1 mile west of Platteville, near Weld roads 30 and 23.25. Less than five barrels of oil and produced water spilled. Workers discovered the impacts during environmental testing of a produced water sump excavation. Shallow groundwater was encountered at 2 feet below ground surface. The groundwater results received on Sept. 20 indicated benzene levels at 5.92 μg/L.

NOBLE ENERGY INC., reported Sept. 20 a spill about 10 miles east of Kersey, near Weld roads 68 and 64. Between one and five barrels of produced water spilled. A corrosive hole formed in the produced water line.

NOBLE ENERGY INC., reported Sept. 20 a spill about 4 miles southeast of Kersey, about 2 miles east of Weld roads 42 and 57. Between one and five barrels of oil, condensate and produced water spilled. The unintentional release occurred during flowline operations.

PDC ENERGY INC., reported Sept. 20 a spill near Alden, near Weld roads 64 and 53. More than five barrels of produced water spilled. Workers discovered historic impacts while repairing the water vault.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 19 a spill west of Platteville, near Weld roads 32.5 and 23.5. Less than five barrels of oil, condensate and produced water spilled. Workers discovered historic impacts during abandonment activities. Groundwater was encountered about five feet below ground surface. Groundwater results indicated benzene levels of 77.1 μg/L.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 19 a spill about 1 mile southwest of Platteville, near Weld roads 28 and 23. Less than five barrels of oil, condensate and produced water spilled. Workers discovered historic impacts during abandonment activities. Groundwater was encountered in the excavation at about four feet below ground surface. Results received on Sept. 18, 2017, indicated that the benzene, toluene and total xylenes concentrations were above the applicable COGCC Table 910-1 standards.

KERR MCGEE OIL & GAS ONSHORE LP, reported Sept. 19 a spill about 2 miles southwest of Platteville, near Weld roads 28 and 23. Less than five barrels of oil, condensate and produced water spilled. Workers discovered historic impacts during abandonment activities. Groundwater was encountered in the excavation at about four feet below ground surface. The groundwater results indicated benzene levels at 13.4 μg/L.

EXTRACTION OIL & GAS INC., reported Sept. 19 a spill south of Greeley, near Weld roads 54 and 27. Less than five barrels of produced water spilled. Workers discovered the historic impacts after removing a partially buried produced water vessel.

WHITING OIL & GAS CORPORATION, reported Sept. 18 a spill about 4 miles northwest of Avalo, near Weld roads 120 and 133. Between five and 100 barrels each of oil and produced water spilled. A gasket failure on the inspection plate of a test treater released the oil and produced water inside lined containment.

BNN WESTERN LLC, reported Sept. 18 a spill about 5 miles northeast of Keota, near Weld roads 104 and 115. About 25 barrels of produced water spilled. A lightning strike in the early hours of Sept. 16 hit the filtered water tank battery. First responders extinguished the tanks that had caught fire.

NOBLE ENERGY INC., reported Sept. 18 a spill about 2 miles north of Greeley, near Weld roads 68 and 33. Between one and five barrels each of oil, condensate and produced water spilled. A leak developed in a line that ran from the separator to the tanks.

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