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COGIS - SPILL OR RELEASE INFORMATION

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Miller 7-10 Wellhead - #490346 InformationStatus: CL - 6/2/2025
Spill Type: ReleaseFacility Name/No.:Miller 7-10 Wellhead /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:5/23/2025Date Closed:6/2/2025
Operator:KERR MCGEE OIL & GAS ONSHORE LP Operator Number:47120
County:WELD  - #123Location:SWNE 10 3N66W
Doc Number:404216476Lat/Long:40.241703 / -104.761424  Source: ACTUAL based On LatLong
Municipality
(if within municipal boundaries):
--
Waters of the State: Impacted Media:
Related Remediation Project Number
if work proceeding under an approved Form 27:
N/A
 
Spill Description:
While conducting wellhead plugging and abandonment activities at the Miller 7-10 wellhead, historically impacted soil was discovered at the wellhead riser. The volume of the release is unknown. Assessment activities are ongoing. The historically impacted soil will be removed and disposed of and confirmation soil samples will be collected in compliance with ECMC Table 915-1. Additionally, a waste characterization sample of the impacted material has been collected and submitted for analysis of full ECMC Table 915-1 constituents. Analytical results will be provided in a subsequent report. The topographic Site Location Map showing the geographic setting of the release is provided in Figure 1.
 
Resolution:
Resolving Document:  404223997Closure Requested:  06/02/2025
Resolution:  Work Procedeing under Form 27
 
Operator Information:
Operator:KERR MCGEE OIL & GAS ONSHORE LP
Oper. No.47120
Address:P O BOX 173779  DENVER  CO 80217-3779
Type of Facility:SPILL OR RELEASE
Fac. Name:Miller 7-10 Wellhead -
County Name:WELD
qtrqtr: SWNEsection: 10township: 3Nrange: 66Wmeridian: 6