| Engineer | Form: (02)
400576214
08/29/2014 | (1) Compliance with the most current revision of the northwest Colorado notification policy is required. See attached notice.
(2) Compliance with the most current revision of the Garfield County Rulison field notice to operators is required, with the following exception: all field notice requirements specified in this notice to operators are superseded by the requirements of the most current revision of the northwest Colorado notification policy (see Condition Of Approval #1). See attached notice.
(3) Cement on production casing must be a minimum of 200' above the top of the Mesa Verde Formation (or 200' above the Ohio Creek Formation if present). Cement top verification by CBL is required.
(4) Offset well mitigation pressure monitoring of the Juhan RMV 22-35 shall be continuous during the proposed well stimulation operations. Operator shall also monitor the Juhan RMV 22-35 bradenhead pressure during the same monitoring period. Operator shall notify COGCC engineering staff if anomalous pressures are observed in the Juhan RMV 22-35 well during the monitoring period.
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| Engineer | Form: (02)
401133051
11/02/2016 | 1)Operator shall comply with the most current revision of the Northwest Notification Policy.
2)Operator shall comply with the most current revision of the Garfield County Rulison Field Notice to Operators, with the following exception: All field notice requirements specified in that Notice to Operators are superseded by the requirements of the most current revision of the Northwest Colorado Notification Policy (see Condition of Approval #1).
3)Operator shall provide cement coverage from the production casing shoe (4+1/2" FIRST STRING) to a minimum of 200' above the Lower Wasatch (as defined by COGCC in the report "Casing and Cement Standards for Geologic Isolation Piceance Basin Bradenhead Monitoring Area and Nearby Fields," dated April 18, 2016, COGCC Document No. 2056199, Appendix A Field Scout Cards and Annotated Type Logs) to provide isolation of the Lower Wasatch, all Mesaverde Group formations including the Ohio Creek Formation, and underlying formations, if penetrated. Verify production casing cement coverage with a cement bond log.
4)Minimum surface casing setting depth requirements: 50' below the base of the Wasatch G Formation. Full cement to surface is required for the surface casing; increase cement volume if necessary to accomplish that objective. Refer to COGCC's comment on this form regarding the operator's prognosed depth to the Wasatch G Formation. |
| Permit | Form: (02)
401133051
12/28/2016 | If conductors are preset, operator shall comply with Notice to Operators: Procedures for Preset Conductors (dated September 1, 2016, revised October 6, 2016). |