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400548383 06 100185 ENCANA OIL & GAS (USA) INC

370 17TH ST STE 1700

DENVER CO 80202-5632 JENNIFER LIND 720 876-5890 JENNIFER LIND REGULATORY ANALYST 2014-01-31T08:25:46-07:00 DRAFT lindj 2014-01-31T08:25:46-07:00 lindj JENNIFER.LIND@ENCANA.COM 0.00000 JENNIFER.LIND@ENCANA.COM lindj lindj 2014-01-31T08:38:09.827-07:00 400548383 JOHNSON, RANDELL 303 815-9641 05 013 06116 00 ROSS 'G' UNIT 1 SENE 24 2N 69W 6 BOULDER 10453 WATTENBERG 90750 N PRODUCTION N N N Y 40.126015 -105.058650 2009-06-04T00:00:00-06:00 PLinderholm 1.5 PROCEDURE AND WELLBORE DIAGRAM ATTACHED. Objective: Pull tubing, set CIBP above J Sand perfs and cement, set CIBP above Codell perfs and cement, set CIBP below surface shoe and shoot squeeze holes, circulate cement to surface. Set 100’ CMT plug at surface in the prod casing. Procedure: 1. 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. 2. MIRU pulling unit. Kill well with produced water. 3. ND wellhead, NU BOP. 4. Release Packer, POOH with tubing. 5. RU E-line. 6. RIH and set CIBP #1 @ 7960’ (50’ above J Sand top perforation). Ensure that CIBP is set in the middle of the joint of casing. 7. Dump bail 8 sxs of Class G Neat cement on top of CIBP (100’ of cement). 8. RIH and set CIBP #2 @ 7504’ (50’ above Codell Perfs). Ensure that CIBP is set in the middle of the joint of casing. 9. Dump bail 8 sxs of Class G Neat cement on top of CIBP (100’ of cement). 10. RIH and set CIBP #3 @ 700’ (55’ below surface shoe). Ensure that CIBP is set in the middle of the joint of casing. 11. RIH with wireline and shoot four squeeze holes at 690’. POOH and ensure all shots were fired. 12. Establish injection through squeeze holes. 13. Pump 216 sxs of Class G Neat cement (10% excess) down 4-1/2” casing while taking returns up 9-5/8” x 4-1/2” annulus. Leave an additional 8 sxs of Class G Neat cement on top of CIBP. 14. WOC for 4 hours and tag plug. If the production casing cement plug top is at least 100’ above the CIBP #3 (set @ 700’), then move up hole and set a 100’ surface cement plug in the 4-1/2”casing with 8 sxs Class G Neat cement. 15. WOC and top off casing and annulus with cement as necessary. 16. ND BOP, RDMO pulling unit. 17. Cut off casing 4’ below ground level. 18. Weld on metal plate and dry hole marker. 19. Restore surface location. 20. Ensure all cement tickets are mailed or emailed to the Denver office for subsequent reporting. randell.johnson@state.co.us false 400548383 400548383 FORM 6 INTENT SUBMITTED 400548383.pdf 400548383 400548388 PROPOSED PLUGGING PROCEDURE ROSS G UNIT 1 - P&A Procedure 2014.1.30.pdf 70801 400548383 CODL 7554 7573 400548383 JSND 8010 8024 400548383 0 8 7960 false 400548383 1 8 7504 false 400548383 2 false 400548383 3 false 400548383 4 false 400548383 5 false 400548383 6 false 400548383 7 216 690 false 400548383 8 false 400548383 9 false 400548383 10 false 400548383 11 8 false 400548383 12 false 400548383 13 false 400548383 14 8 755 false 400548383 15 false 400548383 16 false 400548383 1ST 7 7 8 4 1 2 11.6 8064 230 8065 7080 CBL ACTUAL 400548383 SURF 12 1 4 9 5 8 32 645 350 645 0 CALC ACTUAL Thread was being aborted.