| Engineer | Form: (06) 401418592 10/12/2017 | 1) Due to bradenhead pressure; prior to starting plugging operations, a bradenhead test shall be performed and samples shall be collected. Sampling shall comply with Operator Guidance - Bradenhead Testing and Reporting Instructions. The Form 17 shall be submitted within 10 days of the test.
2) Provide 48 hour notice of plugging MIRU via electronic Form 42.
3) Properly abandon flowlines as per Rule 1103.
4) After pumping squeeze, shut down and wait on cement at minimum 4 hours; verify gas migration has been eliminated. If evidence of gas migration or pressure remains contact COGCC Engineer for an update to plugging orders. Production casing stub plug is also surface casing shoe plug, this plug must be tagged at 538’ or shallower. Leave at least 100’ of cement in the wellbore for each plug. |
| Engineer | Form: (04) 401412119 10/12/2017 | Operator must submit a Sundry no later than October 31, 2017, that summarizes the investigation and cause of the bradenhead pressure spike. |