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TE9A-Leic - CRATucomPANY <br />'OJECT NUMBER 197-36 <br />WELL CONSTRUCTION LOG <br />WELL NUMBER PW8-155 <br />.0JECT NAME PIN-Replacement Program DATE DRILLED February 21, 1997 <br /> <br />continued from previous oacie <br />i <br />o I BLOW I 1 COUNTS I ii: 1 RECOVERY 6 - <br />LU <br />a. <br />M <br />cn I EXTENT I Cii <br />ui 'GRAPHIC LOG - <br />LITHOLOGIC DESCRIPTION <br />z a <br />CL CO <br />a 41, _ <br />...... ..-- --:- <br />LU 4-, <br />w <br />WELL DIAGRAM <br />( <br />- - — - -70 <br />- - <br />-80 - <br />- _ <br />— -85 <br />I - -90 - - <br />- <br />— -95 <br />--100 <br />_ <br />--110 <br />--120 <br />2 <br />--125-4 -. -:• <br />-.• <br />-: <br />- <br />- <br />- -135--,•• -:. <br />-.- _ <br />-140 -• -• <br />_... - <br />-145 - _. <br />-,-- <br />..._ <br />- ---105 <br />---115 <br />-1---130---.: <br />• <br />. . <br />• <br />. <br />• <br />. <br />. <br />'--- <br />- <br />.4 <br />4 <br />4 <br />4 <br />4 <br />4 <br />4 <br />4 V <br />4 <br />4 <br />d <br />1 <br />44 ! <br />4 <br />A <br />- <br />• <br />9 Sack <br />CementSang <br />Slurry <br />Casing <br />Centralizer <br />6.625-in Miiid <br />Carbon Steel <br />10 Gage <br />Bentonite Seal <br />(Chips) <br />Sand (0.5 ft <br />fine transition <br />sand over 6 X <br />12) <br />Casing <br />Centralizer <br />6.625-in <br />Stainless <br />Stee110065--in <br />Slot <br />Bottom Sump <br />ML/CL - CLAYEY SILT/SILTY CLAY - gray green - <br />-65— _ _ <br />- -,-- -90-I- - - <br />SAND- medium to coarse grained with fine gravel - <br />-95— _ <br />MUCL/SM/SP-SILT, SAND and CLAYEY layers, one to <br />four feet in thickness - _ _,_ <br />-100-- <br />- _ <br />- - -105-- _ <br />- <br />- <br />'-110--'- <br />x <br />• x SM/ML - fine SAND and SILT - _ <br />-115-'- _ <br />• <br />• <br />• <br />-4 <br />ML/CL SILT and SILTY CLAY, gray <br />'SAND , <br />ML - CLAYEY SILT '_ <br />\SAND-medium grained, gray <br />r <br />--r- <br /> <br />... _ <br />-120- — _ <br />- _ <br />-125- <br /> <br />- -4- — <br /> <br />... ..._ <br />-13(3- _ <br /> <br />- — - <br /> <br />- - <br />-135- <br /> <br />- --i- _ <br /> <br />_ _ <br />-I 40-- <br />- -145-0- <br /> <br />- -+- <br /> <br />_ - <br />— <br />-i50- <br />_ <br />_ <br /> <br />- - <br />_ <br />sP <br />SP <br />\ML CLAYEY SILT /- SP SAND- medium to coarse grained, gray <br />ML- CLAYEY SILT, light gray brown <br />SAND- medium to coarse grained <br />ML- CLAYEY SILT - light gray brown ' <br />SP <br />Bottom of Borehole at 160 ft. bgs <br />Filter Pack: Silica Research, Inc. (6 X 12) <br />Borehole Drilled and Well Installed 2-13-97 to 2-21-97 <br />Lithologic Classification Based on Drill Cuttings and <br />Drilling Characteristics <br />- 1 60- <br />- - <br />_ <br />-16S <br />— <br />- _ <br />-170-- <br />=-150- <br />_ <br />- <br />- <br />7 <br />- _ <br />-155- - <br />-