PERMFILE72684

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 5/19/2006
• Doc Name: Typical Mud Pit Design for Methane Drainge Wells
• Section_Exhibit Name: Exhibit 80 Drilling Activities - MR334
• Media Type: D
• Archive: No

PLAN - VIEW
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MUD-PIT
INCISED
GENERALLY 1~ GRADE ACROSS MDW PAD
MDW ASSUMPTIONS:
DEPTH: 2,200 FT.
CASING DIAMETER: 1 FT.
VOLUME OF HOLE: 64 CU YDS.
WITH 25% SWELL: 80 CU YDS.
PIT REQUIRES DESIGN OF
10'W X 10'D X 20'L
SAY 3.0" PRECIPITATION
~j~~/~~~/~~~//~ ; F ~/jam//~~//~
13' '~~ _
~:
~10'~>11'
I MINIMUM
DISTANCE
FROM SLOPE
CROSS-SECTION A-A'
TYPICAL SIZE: 10' X 13'D X 20'L OR 96 CU. YDS. WITH > 1.0 FT. FREE BOARD
THIS DRAWING WAS PREPARED UNDER
MY SUPERVISION AND REPRESENTS
INFORMATION THAT IS ACCURATE TO

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COMPANY, LL0. F•0. BOX 591, 5174 HWY. 133
SOMERSET, CO. 814J4
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