| Engineer | Form: (02)
400229540
02/08/2012 | THE PROPOSED SURFACE CASING SHOULD BE MORE THAN 50' BELOW THE DEPTH OF THE DEEPEST WATER WELL WITHIN 1-MILE OF THE SURFACE LOCATION WHEN CORRECTED FOR ELEVATION DIFFERENCES. THE DEEPEST DEDICATED* WATER WELL WITHIN 1-MILE IS 00 FEET DEEP.
PRODUCTION CASING CEMENT TOP VERIFICATION BY CBL REQUIRED. |
| Engineer | Form: (02)
400492297
11/08/2013 | 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IS REQUIRED, WITH THE FOLLOWING EXCEPTION: ALL FIELD NOTICE REQUIREMENTS SPECIFIED IN THIS NOTICE TO OPERATORS ARE SUPERSEDED BY THE REQUIREMENTS OF THE MOST CURRENT REVISION OF THE NORTHWEST COLORADO NOTIFICATION POLICY (SEE CONDITION OF APPROVAL #1).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. THIS REQUIREMENT SHALL SUPERSEDE THE TOP OF CEMENT REQUIREMENTS IN THE MAMM CREEK FIELD NOTICE TO OPERATORS.
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| Engineer | Form: (04)
400636661
07/16/2014 | (1) Change in drilling plans to increase total depth is approved provided that the cement volume for the production casing is adequately increased to ensure that the top of cement depth is equal to the TOC depth approved on the permit to drill.
(2) The Williams Fork formation is currently approved as an objective formations. No deeper objective formation(s) will be completed as a result of this increase in total measured depth. |
| Engineer | Form: (04)
400867263
07/22/2015 | 1) The COA requiring cement coverage 200' above the top of the Mesa Verde (or Ohio
Creek which is probably present) is waived for this well. Operator is to monitor the bradenhead and
notify COGCC engineering staff if the pressure exceeds 540 psi.
2583' = SC depth
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