| Engineer | Form: (02) 400635342 08/14/2014 | (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IS REQUIRED, WITH THE FOLLOWING EXCEPTION: ALL FIELD NOTICE REQUIREMENTS SPECIFIED IN THIS NOTICE TO OPERATORS ARE SUPERSEDED BY THE REQUIREMENTS OF THE MOST CURRENT REVISION OF THE NORTHWEST COLORADO NOTIFICATION POLICY (SEE CONDITION OF APPROVAL #1).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) PROVIDE CEMENT COVERAGE FROM THE INTERMEDIATE CASING (9 5/8" FIRST STRING) SHOE TO A MINIMUM OF 200 FEET ABOVE ALL MESAVERDE GROUP (AND OHIO CREEK, IF PRESENT) OIL, GAS, AND WATER-BEARING SANDSTONE AND COALBED FORMATIONS. VERIFY INTERMEDIATE CASING CEMENT COVERAGE WITH A CEMENT BOND LOG.
(4) PRODUCTION CASING (5 ½” SECOND STRING) CEMENT TOP VERIFICATION BY CBL REQUIRED. |
| Engineer | Form: (02) 401141739 11/16/2016 | 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to Operators, with the following exception: All field notice requirements specified in that Notice to Operators are superseded by the requirements of the most current revision of the Northwest Colorado Notification Policy (see Condition of Approval #1).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 intermediate casing shoe (9+5/8" First String) to a minimum of 200' above all Mesaverde Group (and Ohio Creek Formation, if present) oil, gas, and water-bearing sandstone and coalbed formations. Verify intermediate casing cement coverage with a cement bond log.
4) The operator's planned top of cement for the production casing (5 ½” Second String) at about 1000' above the intermediate casing shoe is acceptable. Verify production casing cement coverage with a cement bond log. |