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COGIS - SPILL OR RELEASE INFORMATION

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Eisenach & Pres 8-8K - #492429 InformationStatus: CL - 12/3/2025
Spill Type: ReleaseFacility Name/No.:Eisenach & Pres 8-8K /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:11/24/2025Date Closed:12/3/2025
Operator:KERR MCGEE OIL & GAS ONSHORE LP Operator Number:47120
County:WELD  - #123Location:SENE 8 3N66W
Doc Number:404448222Lat/Long:40.241320 / -104.794200  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:
42345
 
Spill Description:
On November 24, 2025, a release was identified following the removal of more than 10 cubic yards of potentially impacted soil at the Eisenach & Pres 8-8K wellhead location. Assessment activities are ongoing. The 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 shall be collected and submitted for analysis of full ECMC Table 915-1 constituents. The analytical results shall be provided on a forthcoming Supplemental Form 19 Spill/Release Report. The topographic Site Location Map showing the geographic setting of the release is provided as Figure 1.
 
Resolution:
Resolving Document:  404455425Closure Requested:  12/03/2025
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  7/31/2025Well Name/No.:  EISENACH & PRESTON
Date Recv'd:  7/31/2025API number:  05-123-15093
Rem DocNum:  404295219Remediation Project #:  42345
Document Type:  FORM 27 qtrqtr: SENE   section: 8   township: 3N   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:Eisenach & Pres 8-8K -
County Name:WELD
qtrqtr: SENEsection: 8township: 3Nrange: 66Wmeridian: 6