| Permit | Form: (06 )
401780548
10/2/2018 | COA: Submit accurate "as drilled" GPS data on Subsequent Report of Abandonment. GPS data must meet the requirements of Rule 215.
|
| Engineer | Form: (06 )
401780548
10/9/2018 | Plugging
• Provide 48 hour notice of plugging MIRU via electronic Form 42.
• Plugs and squeezes will be placed as stated in the plugging procedure of the approved NOI unless revised by COA or prior approval from COGCC is obtained.
• COGCC Change: Tag plug at 7650’+/-. If not there then place a 40 sx open hole plug for J Sand isolation such that the top of cement is 7650’ or shallower. 100’ minimum plug height required.
• COGCC Change: Place Niobrara isolation plug such that the top of cement is 6912’ or shallower. 100’ minimum plug height required.
• COGCC Change: Place Sussex isolation plug such that the top of cement is 4195’ or shallower. 100’ minimum plug height required.
• COGCC Change: Move plug from 1900-1700’ to 1950-1750’. Tag after waiting on cement. 100’ minimum plug height required. Check for fluid migration or shut-in pressure on the well. Contact COGCC Engineer for revised plugging orders if well is not static at this time prior to continuing with plugging operations.
• COGCC Change: Increase size of plug from 1025-775’ to 1025-700’, adjust cement volume accordingly.
• Check for fluid migration or shut-in pressure on the well prior to pumping any plug(open hole, annular or casing) that isolates deepest aquifer or the surface casing shoe (whichever is deeper). Contact COGCC Engineer for revised plugging orders if well is not static at this time, prior to continuing with plugging operations.
• Tag required if the shoe plug, or combined stub/shoe plug, is not circulated to the surface. Shoe plug shall be placed as specified herein and the top of cement must be a minimum 50’ into the shoe, or 50’ above the stub, whichever is shallower.
• Place a 50' plug (minimum) at the surface, both inside the inner most casing and in all annular spaces. All other cement plugs, without mechanical isolation, shall have at least 100' of cement left in the casing.
|
| Engineer | Form: (06 )
401780548
10/9/2018 | Venting
Operator shall implement measures to control unnecessary and excessive venting, to protect the health and safety of the public, and to ensure that vapors and odors from well plugging operations do not constitute a nuisance or hazard to public welfare.
|