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COGIS - SPILL OR RELEASE INFORMATION

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Knaub 09-12G - #491347 InformationStatus: CL - 12/3/2025
Spill Type: ReleaseFacility Name/No.:Knaub 09-12G /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:9/5/2025Date Closed:12/3/2025
Operator:NOBLE ENERGY INC Operator Number:100322
County:WELD  - #123Location:NWSW 9 4N65W
Doc Number:404346211Lat/Long:40.325953 / -104.674464  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:
31656
 
Spill Description:
On 9/5/2025, the potential presence of impacted material(s) was identified via hydrocarbon odor and hydrocarbon staining during site investigation activities at the Knaub 9-12G, wellhead, sample: BKG04, located at a background location in the vicinity of the wellhead. The volume of potentially impacted material(s) is not currently known. Initial soil sampling is underway to determine whether any constituents are present at levels in excess of Table 915-1 standards. Groundwater was not encountered during site investigation activities. Final analytical results from initial soil sampling will be included on a Supplemental Form 19.
 
Resolution:
Resolving Document:  404457528Closure Requested:  12/03/2025
Resolution:  Work Procedeing under Form 27
 
Resolution Project:
Date Approved:  9/15/2023Well Name/No.:  KNAUB
Date Recv'd:  9/15/2023API number:  05-123-15454
Rem DocNum:  403531832Remediation Project #:  31656
Document Type:  FORM 27 qtrqtr: NWSW   section: 9   township: 4N   range: 65W   meridian: 6
 
Operator Information:
Operator:NOBLE ENERGY INC
Oper. No.100322
Address:1099 18TH STREET SUITE 1500  DENVER  CO 80202
Type of Facility:SPILL OR RELEASE
Fac. Name:Knaub 09-12G -
County Name:WELD
qtrqtr: NWSWsection: 9township: 4Nrange: 65Wmeridian: 6