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Exxon Mobil Corporation <br />Permit Number 49566-MH <br />GVIIS-31 <br />Page 2 <br />Colony Mine Water Monitoring Well <br />(In mine) <br />Well ID: WW-CCSD1 <br />Well Permit No. 49566-MH <br />NW 114 SW 1/4 Section 7 Twp 5S, Range 95W <br />Depth Ri : U nde round Drill Contractor: A a ito Associates Inc Surface Elevation: 7,083.5 ft <br /> Hole Formation Mud Hole Casing Shoe <br />Feet Size Contacts Type Depth Size Type Depth <br /> MD/rVD MD/iVD MDr VD Top of Casing 7085.0 <br /> Ground Surface 7083.5 <br /> Cement f bentonite grout - troweled surface <br /> 21rt <br /> <br />:21-30ft <br />_ <br />.... ............. - -._-._..........-......... <br />Vug zone - bentonfte grout/gravel/cement <br />25 Solid PVC .......... .............. Arm ...t/bentonite pellets ?_...._.... <br /> 4.5" <br /> a <br /> a Bentonite f Cement Grout <br /> 0 <br />50 m <br /> 8.25" Air/Water ____ _ 64 ft _ Bentonite j3/8_Pelleta) ------ <br />84 ft- <br /> 1 <br />(y. <br />75 <br />r <br /> Slotted PVC j .. Sand Filter <br /> 4.5" (0.032" slot size) !I ( 8-12 Mesh silica sand <br /> <br /> `B .. <br />100 (B Groove) <br />_ 104 ft k?1 ( 104 ft <br /> <br /> <br />104109 ft <br />.. <br />. <br />_ <br />. . <br /> <br />Solid _ ..._..................... <br /> <br />PVC w/bottom cep <br />........_ ............... <br />104 109 ft <br />- - - - - - <br />Bentonite (3/8" peitets) 104 109 ft <br /> ... <br />. <br />. <br />... 4.5., ------------------- <br /> 2" Pump not permanently installed <br /> R un to bottom during sampling than retrieved <br />125 <br />Grout Record <br />Material <br />Cement groutlbentonits grout (1:1/2) <br />Cement groutberdonite <br />grout/gmvel/bentonfte pellets <br />(50#:25#100#:50#) <br />Bentonite grout/cement grout <br />Bentonite pellets (318") <br />Silica Sand (8 -12 mesh) <br />Bentonite Pellets (3/8") <br />Amount Donal sy Interval Placement <br /> (ft) <br />750 10.7 #/gal 0-21 pour <br />225# 22.5 #/gal 21 - 30 pour <br />75.4# 10.7#1gal 3059 tremmie <br />7.3# 10.7#fgal 59-64 pour <br />10 bags 200/gal 64-104 pour <br />7.3# 10.7#/gal 104 -109 pour <br />WW-CC Wells WW-CCSD1.xlsx