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400818941 06 100185 ENCANA OIL & GAS (USA) INC

370 17TH ST STE 1700

DENVER CO 80202-5632 Toby Sachen 720 876-5845 Toby Sachen Regulatory Analyst 2015-04-01T12:58:12.14-06:00 DRAFT 2015-04-01T12:58:12.14-06:00 toby.sachen@encana.com 0.00000 toby.sachen@encana.com sachent sachent 2015-04-01T14:37:46.483-06:00 400818941 Peterson, Tom 303 815-9641 05 123 25893 00 DUCKWORTH 6-0-16 SENE 16 2N 68W 6 WELD WATTENBERG 90750 N PRODUCTION � � � � 40.141484 -105.002435 2009-01-07T00:00:00-07:00 ROB THOMAS 3.0 Procedure: 1. Submit COGCC Form 42, 48 hours prior to MIRU. 2. Hold a pre-job safety meeting. Discuss all aspects of the procedure with any involved personnel. Identify and address any safety concerns before the job begins. 3. Kill well with produced water. 4. RU wireline and pull production tools. Gyro well down to the seat nipple (set @ 6,444’). RD wireline. 5. MIRU pulling unit. 6. ND wellhead, NU BOP. 7. RU wireline. 8. RIH and set CICR @ 6400’ (~ 85’ above the csg part). Ensure that CICR is set in the middle of the joint of casing. 9. RD wireline. RU pulling unit. 10. TIH with workstring. Sting into CICR. Squeeze/fill 4-1/2” casing AND 7-7/8” hole by 4-1/2” csg annulus with 510 sx of Class G Neat cement (assumes 1.15 yield and includes 10% excess). 11. Sting out. Fill prod csg with produced water. POOH with workstring. RD pulling unit. RU wireline. 12. RIH and set CIBP @ 780’. Ensure that CIBP is set in the middle of the joint of casing. 13. RIH and shoot four squeeze holes at 770’. POOH and ensure all shots were fired. 14. Establish injection through squeeze holes. 15. Pump 246 sx of Class G Neat cement in 4-1/2” casing to surface AND into 8-5/8” csg by 4-1/2” csg annulus to surface (assumes 1.15 yield and includes 10% excess). 16. WOC for at least 4 hours and top off casing and annulus with cement as necessary. 17. ND BOP, RDMO pulling unit. 18. Cut off casing 4’ below ground level. 19. Weld on metal plate and dry hole marker. 20. Restore surface location. 21. Ensure all cement tickets are mailed or emailed to the Denver office for subsequent reporting. tom.peterson@state.co.us false 400818941 400818941 FORM 6 INTENT SUBMITTED 400818941.pdf 400818941 400818965 PROPOSED PLUGGING PROCEDURE DUCKWORTH 6-0-16 - P&A Procedure 2015.03.27.pdf 289536 400818941 400818993 WELLBORE DIAGRAM Duckworth 6-0-16 WBD.pdf 152721 400818941 400818994 WELLBORE DIAGRAM Duckworth 6-0-16 Proposed P&A WBD.pdf 82587 400818941 JSND 8082 8100 400818941 NB-CD 7842 7670 400818941 0 780 false 400818941 1 false 400818941 2 false 400818941 3 false 400818941 4 false 400818941 5 false 400818941 6 false 400818941 7 510 6400 false 6400 400818941 8 246 770 false 400818941 9 false 400818941 10 false 400818941 11 false 400818941 12 false 400818941 13 false 400818941 14 false 400818941 15 false 400818941 16 false 400818941 1ST 7 7 8 4 1 2 11.6 8207 230 8207 6900 ACTUAL 400818941 SURF 12 1 4 8 5 8 24 729 340 729 0 ACTUAL Thread was being aborted.