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| Prominence 4-8 WH Soil Vapor - #483851 Information | Status: CL - 2/8/2023 |
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| Spill Type: | Release | Facility Name/No.: | Prominence 4-8 WH Soil Vapor / | | Facility Type: | SPILL OR RELEASE | Facility Status: | CL | | Date of Discovery: | 2/7/2023 | Date Closed: | 2/8/2023 | | Operator: | KERR MCGEE OIL & GAS ONSHORE LP | Operator Number: | 47120 | | County: | WELD - #123 | Location: | NWNW 8 2N67W | | Doc Number: | 403315415 | Lat/Long: | 40.157933 / -104.921722 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: | 25568 | | | | Spill Description: | | During plugging and abandonment activities at the Prominence 4-8 wellhead, five (5) shallow soil vapor points (SVPs) were installed in the vicinity of the wellhead. On January 10, 2023, methane was detected with field screening equipment at SVP02. Soil vapor samples were collected from all 5 SVPs using IsoTubes™ and an IsoTube™ sampling manifold in conjunction with the pump on a GEM 5000. The samples were submitted to IsoTech for gas composition analysis. Results from the gas composition analysis indicated the presence of a trace concentration of thermogenic gas. The results are attached to this report. An investigation into the nature and source of the soil gas is ongoing. The assessment details will be summarized in a supplemental Form 27 report (Remediation No. 25568; Form 27 Initial Document No. 403186130). A topographic Site Location Map showing the geographic setting of the release is provided as Figure 1. | | |
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| Resolution: | | Resolving Document: 403315415 | Closure Requested: 02/08/2023 | | Resolution: Work Procedeing under Form 27 |
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| Resolution Project: | | Date Approved: 10/5/2022 | Well Name/No.: Prominence 4-8 WH Soil Vapor | | Date Recv'd: 10/5/2022 | API number: 05-123-23013 | | Rem DocNum: 403186130 | Remediation Project #: 25568 | | Document Type: FORM 27 | qtrqtr: NWNW section: 8 township: 2N range: 67W 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: | Prominence 4-8 WH Soil Vapor - | | County Name: | WELD | | qtrqtr: NWNW | section: 8 | township: 2N | range: 67W | meridian: 6 |
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