| Engineer | Form: (02 )
400094098
10/13/2010 | Note surface casing setting depth change from 680’ to 760’. Increase cement coverage accordingly and cement to surface.
1) Provide 24 hr notice of spud to Bo Brown at 970-330-6085 or email at bo.brown@state.co.us.
2) Set surface casing per Rule 317d, cement to surface. Setting surface casing less than the approved depth is a permit violation unless prior written approval is obtained from the COGCC.
3) If completed, provide cement coverage from the first casing shoe to a minimum of 200' above Niobrara. Verify cement with a cement bond log.
4) Comply with Rule 321. Run and submit Directional Survey from TD to base of surface casing. Ensure that the wellbore complies with setback requirements in commission orders or rules prior to producing the well.
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| Engineer | Form: (02 )
400094200
10/13/2010 | 1) Provide 24 hr notice of spud and if DA to Bo Brown at 970-330-6085 or email at bo.brown@state.co.us.
2) Note surface casing setting depth change from 680’ to 760’. Increase cement coverage accordingly. Set surface casing per Rule 317d, cement to surface. 3) If completed, provide cement coverage from TD to a minimum of 200' above Niobrara. Verify coverage with cement bond log.
4) If dry hole, 40 sks cement 50’ above Niobrara top, tag 50 sks cement ½ out, ½ in surface casing, 10 sks cement top of surface casing, cut 4’ below GL, weld on plate, 5 sks cement in rat hole & 5 sks cement in mouse hole. Restore surface location.
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| Permit | Form: (02 )
400094200
10/19/2010 | Pilot hole cannot be completed in any formation due to encroachment issues to neighboring leases |