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1988-08-19_PERMIT FILE - C1981008A (2)
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1988-08-19_PERMIT FILE - C1981008A (2)
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Last modified
1/6/2021 7:12:36 PM
Creation date
4/19/2012 9:33:40 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
PERMIT FILE
Doc Date
8/19/1988
Doc Name
Ground Water Monitor Well Completion Information and Lithologic Logs
Section_Exhibit Name
Tab 15 Attachment 15-2
Media Type
D
Archive
Yes
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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MONITOR WELL DRILLING AND CONSTRUCTION SUMMARY <br /> NUCLA AND NUCLA EAST MINES <br /> Monitor Well Name GW-N17(WN0017) Geologic Unit Monitored Dakota Coal <br /> Elevation Ground Level (ft-amsl ) 5674.12 <br /> Location: N 597926.681 E 1 , 117885.98 T46 N R15 W S 6 B C C <br /> Total Drill Depth (ft) 105.2 <br /> Total Well Depth (ft) 102.5 <br /> Drilling Details <br /> Borehole Diameter (in) 7 7/8 to 81 .0; 6 3/4 to 105.2Rig Speedstar 1500 <br /> Bits Tricone Driller Allan Chiles <br /> Drilling Fluid Air and Mud <br /> Additional Details <br /> Drilling/Construction: Start 06/19/86 Finish 06/24/86 <br /> Lithologic Log (Y/N) N <br /> Geophysical Log (Y/N) N <br /> Construction Details <br /> Casing Specs : Blank 4" id PVC sch 40 Perforated 0.02" slot <br /> Perforated Interval (s) 82.2 - 102.5 <br /> Packer and Cement Basket Set At 82.2' <br /> Cement From 68.0 To 82.2 <br /> Bentonite Slurry From 5.0 To 68.0 <br /> Gravel Pack From To <br /> Additional Details Top five feet of annulus sealed to ground surface with <br /> cement. Bottom 2.7' of hole plugged with cement which slipped past the <br /> packer/basket arrangement. <br /> Development Summary Developed for 2 hours using air/water injection and <br /> lastly, only air; well produced approximately 1 .0 gpm. <br /> Comments , Problems Top of Upper Dakota Coal at 84.2 feet; bottom of Lower Dakota <br /> Coal at 107.6 feet (determined from log of well GW-N17P1(WN0117) <br /> 15-2-21 Revised 11 /01/86 <br />
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