| Agency | Form: (02)
400030277
02/10/2010 | COGCC ENG COA – SME 1) Provide `24 hr notice of spud to Ed Binkley at 970-506-9834 or e-mail at ed.binkley@state.co.us . 2) Note surface casing setting depth change from 750’ to 800’. Increase cement coverage accordingly. Set surface casing per Rule 317d, cement to surface. 3) If completed, provide cement coverage from TD to a minimum of 200' above Niobrara. Verify coverage with cement bond log. 4) If dry hole, 40 sks cement 50’ above Niobrara top, 50 sks cement ½ out, ½ in surface casing, 10 sks cement top of surface casing, cut 4’ below GL, weld on plate, 5 sks cement in rat hole & 5 sks cement in mouse hole. Restore surface location. |