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| Stewardson 31-33 Wellhead - #492663 Information | Status: CL - 12/12/2025 |
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| Spill Type: | Release | Facility Name/No.: | Stewardson 31-33 Wellhead / | | Facility Type: | SPILL OR RELEASE | Facility Status: | CL | | Date of Discovery: | 11/24/2025 | Date Closed: | 12/12/2025 | | Operator: | KERR MCGEE OIL & GAS ONSHORE LP | Operator Number: | 47120 | | County: | WELD - #123 | Location: | NWNE 33 1N66W | | Doc Number: | 404467300 | Lat/Long: | 40.013240 / -104.780400 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: | 41377 | | | | Spill Description: | | While conducting wellhead plugging and abandonment activities at the Stewardson 31-33 wellhead, historically impacted soil was discovered at the flowline riser at the wellhead. 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. The assessment details will be summarized in a supplemental Form 27 report (Remediation No. 41377; Form 27 Initial Document No. 404207933). The topographic Site Location Map showing the geographic setting of the release is provided as Figure 1. | | |
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| Resolution: | | Resolving Document: 404467300 | Closure Requested: 12/12/2025 | | Resolution: Work Procedeing under Form 27 |
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| Resolution Project: | | Date Approved: 5/22/2025 | Well Name/No.: STEWARDSON USX | | Date Recv'd: 5/22/2025 | API number: 05-123-34068 | | Rem DocNum: 404207933 | Remediation Project #: 41377 | | Document Type: FORM 27 | qtrqtr: NWNE section: 33 township: 1N range: 66W meridian: 6 |
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| 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: | Stewardson 31-33 Wellhead - | | County Name: | WELD | | qtrqtr: NWNE | section: 33 | township: 1N | range: 66W | meridian: 6 |
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