| Engineer | Form: (02 )
400145129
4/28/2011 | 1) Provide 24 hr notice of MIRU to Bo Brown at 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 intermediate 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.
5) 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 location.
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| Engineer | Form: (02 )
400145172
4/28/2011 | 1) Provide 24 hr notice of MIRU to Bo Brown at 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 intermediate casing shoe to a minimum of 200' above Niobrara. Verify cement with a cement bond log.
4) If hole is abandoned with production liner, then set 40 sks cement in casing at the intermediate casing shoe, cut off casing above top of cement.
5) If dry hole without production liner, then set 40 sks cement in open hole 50’ above Niobrara top.
6) With either 4 or 5 above, set 50 sks cement ½ out, ½ in surface casing, 10 sks cement top of surface casing, cut 4’ below ground level, weld on plate, 5 sks cement in rat hole & 5 sks cement in mouse hole.
7) 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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