PERMFILE127343

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 3/4/2002
• Doc Name: De-Gas Boreholes Completion Summaries & As-Built Diagrams
• Section_Exhibit Name: Exhibit 80 Drilliing Activities
• Media Type: D
• Archive: No

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SUMMARY OF GVB 14 - 05 (V)
DATE ACTIVITYIEVENT NOTES
7/25/2001 Set u e ui ment on new drill d.
7/26/2001 Drill for and set surface Casin .Drilled 310 feel, hole at 310'. Usin 15" hammer bit.
7/27/2001 Drilled 500 feet, hole at 810'. Tri ed out to than a hammer bit.
7/28/2001 Drilled 610 feet, hole at 1420'.
7/29/2001 Drilled 390 feet, hole at 1810'. Chan ed bits. Now on third 15" hammer bit.
7130/2001 Drilled 172 feet, hole at 1982'. Chan a to a 14 3/4' Vicone bit and TIH. Noticed methane cumin out of hole while TIH.
7131/2001 Pum mud down hole. Set u to and start runnin Casin .
6/1/2001 Casin run tom lete to 1980.5'. Pum cement to set Casin .Pre are to move to next site for GVB 14 - 04.
WORKING ON GVB 14 - 04
8/12/2001 Finished tearin down site and movin to GVB 14-05. Tri in tools to 1770'. Down to work on ri for about 6.5 hours.
8/13/2001 Cleaned cement from 1815' to 1983'. Drilled from 1983' to 2226' TD. Start on Casin . Down for awhile to fix air leaks in earlier re irs.
8/14/2001 Finish runnin and set Casin on bottom. Start ri in down and Ioadin ui ment. 328.78' of 7 5/8" Casin set at bottom of hole.