<_x0034_00524082>

400524082 05 96155 WHITING OIL AND GAS CORPORATION

1700 BROADWAY STE 2300

DENVER CO 80290 Erin Ekblad 303 876-7053 Erin Ekblad Regulatory Analyst 2013-12-09T13:57:47.377-07:00 DRAFT ekblade 2013-12-09T13:57:47.377-07:00 ekblade eekblad@progressivepcs.net 0.00000 eekblad@progressivepcs.net ekblade ekblade 2013-12-18T12:58:13.423-07:00 400524082 05 123 37956 00 WELD Razor 27I-2213A NESE 27 10N 58W 6 2395 FSL WILDCAT 2553 725 99999 FNL FEL 824 FEL 2013-11-22T00:00:00-07:00 2357 2013-11-26T00:00:00-07:00 FNL 924 FEL 5838 5667 5095 4756 4773 40.808914 -103.844297 2013-02-19T00:00:00-07:00 Jerremy Harris 1.4 27 10N 58W 27 10N 58W Preliminary Completion 400524082 Whiting received email confirmation from Diana Burn at COGCC that we can proceed as proposed to sidetrack the subject wellbore on November 26, 2013. As required by the COGCC, a Form 2 APD was submitted for the same surface location to set up the sidetrack 01. We are not able to provide an As Drilled plat for this well since the rig is on location. However, we will submit the as drilled plat and lat/long locations with final completion report. PROPOSED OR COMPLETED OPERATIONS: • EXPLAIN THE SITUATION THAT HAS RESULTED IN THE NEED TO SIDETRACK: • DATA COLLECTED BY MWD-GAMMA TOOL AND THE MUD LOG INDICATED THAT WE WOULD LAND OUR CURVE APPROXIMATELY 40’ LOW TO OUR TARGET (DUE TO NOT GETTING DESIGNED BUILD RATES). TO GET BACK ON TARGET WE WOULD HAVE DRILL MORE THAN 1000’ OF LATERAL WHICH WOULD REDUCE THE OVERALL EFFECTIVE LATERAL LENGTH BY 16% WHICH IS WHY WE OPT TO SIDETRACK. THE INTENT IS TO OPEN HOLE SIDETRACK AT 5100’ MD AND COMPLETE THE WELL TO THE ORIGINAL BHL. • TOTAL DEPTH REACHED: • 5,839’ (MD) • CASING: • SURFACE CASING: • SIZE: 9.625” 36PPF J-55 LTC • DEPTH: 1,618’ • DESCRIPTION OF FISH IN THE HOLE: • NO FISH TO REPORT • PLUG BACK DEPTHS: • PLUG_1 (11/26/13): • FROM 4500’ TO 5700’ (NIOBRARA TOP EST AT 5594’) • 510 SXS • 17PPG (0.99 CUFT/SX) • SET USING DRILL PIPE @ 5700’ • HOLE SIZE = 8.75” • SIDETRACK KICK OFF POINT: • 5100’ (MD) • BHL TARGET FOR SIDETRACK HOLE: • (SAME TARGET) 100’ FNL AND 1155’FEL S22-T10N-R58W 400524082 400524082 FORM 5 SUBMITTED 400524082.pdf 400524082 400525237 DIRECTIONAL DATA Whiting DJ (27I Pad) Razor #27I-2213A OH Final TEMPLATE.xlsm 30123 400524082 400525239 DIRECTIONAL SURVEY Whiting DJ (27I Pad) Razor #27I-2213A OH Final.pdf 135260 400524082 400525240 WELLBORE DIAGRAM RAZOR_27I-2213A_WBD.pdf 28761 400524082 400525242 CEMENT JOB SUMMARY RAZOR_27I-2213A_SURFACE CEMENT.pdf 220062 400524082 400525303 OTHER RAZOR_27I-2213A_ST00_FORM_4_PAGE_2.pdf 228122 400524082 CONDUCTOR 20 16 75 97 60 97 0 0 CALC ACTUAL 400524082 SURF 13 1 2 9 5 8 36 1618 688 1618 0 0 CALC ACTUAL 400524082 23865 S.C. 1.1 4502 400524082 cement work 2013-11-26T00:00:00-07:00 400524082 cement work The wellbore diagram does show a cement plug set @ 4502’ so you will need to list this plug under this section of the form and I inquired with Whiting about a wireline ticket for this well. Thread was being aborted.