| Engineer | Form: (02 )
2587271
8/10/2011 | 1. Provide 24 hr notice of spud to Colby Horton at 970-867-2517 or colby.horton@state.co.us. 2. Set surface casing 175’ minimum, per Rule 317d, cement to surface. Setting surface casing less than the approved depth is a permit violation unless prior written approval is obtained from the COGCC. 3) Provide cement coverage from TD to a minimum of 200’ above the Niobrara. Verify coverage with cement bond log. |