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COGIS - SPILL OR RELEASE INFORMATION

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Walsh Gas Unit 6-24 Flowline - #493400 InformationStatus: CL - 3/6/2026
Spill Type: ReleaseFacility Name/No.:Walsh Gas Unit 6-24 Flowline /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:3/3/2026Date Closed:3/6/2026
Operator:KERR MCGEE OIL & GAS ONSHORE LP Operator Number:47120
Municipality/County:FREDERICK / WELD  - #123Location:NWSE 24 2N68W
Doc Number:404565587Lat/Long:40.118769 / -104.948782  Source: ACTUAL based On LatLong
Municipality
(if within municipal boundaries):
Frederick
Waters of the State: Impacted Media:
Related Remediation Project Number
if work proceeding under an approved Form 27:
37419
 
Spill Description:
While conducting wellhead and flowline removal activities at the Walsh Gas Unit 6-24 Wellhead, historically impacted soil was discovered at the separator riser. 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. 37419; Form 27 Initial Document No. 403938358). The topographic Site Location Map showing the geographic setting of the release is provided as Figure 1.
 
Resolution:
Resolving Document:  404565587Closure Requested:  03/06/2026
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  10/1/2024Well Name/No.:  WALSH GAS UNIT
Date Recv'd:  10/1/2024API number:  05-123-14598
Rem DocNum:  403938358Remediation Project #:  37419
Document Type:  FORM 27 qtrqtr: NWSE   section: 24  township: 2N   range: 68W   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:Walsh Gas Unit 6-24 Flowline -
County Name:WELD
qtrqtr: NWSEsection: 24township: 2Nrange: 68Wmeridian: 6