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COGIS - SPILL OR RELEASE INFORMATION

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SPILL/RELEASE POINT - #440334 InformationStatus: CL - 11/28/2014
Spill Type: SpillFacility Name/No.:SPILL/RELEASE POINT /
Facility Type:SPILL OR RELEASEFacility Status:CL
Date of Discovery:11/26/2014Date Closed:12/4/2014
Operator:KERR MCGEE OIL & GAS ONSHORE LP Operator Number:47120
County:WELD  - #123Location:SENW 7 2N65W
Doc Number:400742302Lat/Long:40.153757 / -104.710647  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:
N/A
 
Spill Description:
During surface casing drilling operations at the Thomsen 2N-31HZ well pad, a mud boot formed due to a subsurface restriction and plugged the wellbore causing water-based drilling mud to surface onto the well pad. Approximately 32 bbls of water-based drilling mud were released and contained on the well pad. The water-based drilling mud was recovered and transported to the Trucking Services yard. Confirmation soil samples will be collected from the release area or excavation (as applicable). The analytical results and excavation detail will be provided in a supplemental report. A topographic Site Location Map showing the general location of the release area is attached as Figure 1.
 
Resolution:
Resolving Document:  400745198Closure Requested:  12/04/2014
Resolution:  --
 
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:SPILL/RELEASE POINT -
County Name:WELD
qtrqtr: SENWsection: 7township: 2Nrange: 65Wmeridian: 6