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COGIS - SPILL OR RELEASE INFORMATION

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Marcus St W 36-6J Flowline - #491989 InformationStatus: CL - 10/22/2025
Spill Type: ReleaseFacility Name/No.:Marcus St W 36-6J Flowline /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:10/20/2025Date Closed:10/22/2025
Operator:KERR MCGEE OIL & GAS ONSHORE LP Operator Number:47120
County:WELD  - #123Location:SENW 36 2N66W
Doc Number:404397362Lat/Long:40.096260 / -104.728798  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:
37459
 
Spill Description:
While conducting wellhead and flowline decommissioning activities at the Marcus St W 36-6J Wellhead, historically impacted soil was discovered along the flowline. The volume of the release is unknown. Assessment activities are ongoing. The assessment details will be summarized in a supplemental Form 27 report (Remediation No. 37459; Form 27 Initial Document No. 403956999). The topographic Site Location Map showing the geographic setting of the release is provided as Figure 1.
 
Resolution:
Resolving Document:  404397362Closure Requested:  10/22/2025
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  10/16/2024Well Name/No.:  MARCUS STATE W
Date Recv'd:  10/16/2024API number:  05-123-22294
Rem DocNum:  403956999Remediation Project #:  37459
Document Type:  FORM 27 qtrqtr: SENW   section: 36  township: 2N   range: 66W   meridian: 6
 
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:Marcus St W 36-6J Flowline -
County Name:WELD
qtrqtr: SENWsection: 36township: 2Nrange: 66Wmeridian: 6