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1-0-4 LOG OF WELL MW6 PROJECT STOCKTON/SMRH CANAL LOCATION 2144 FONTANA. STOCKTON CA PROJECT NO. WO365.02 DATE DRILLED 08/05/93 LOGGED BY TOM LUTTERMAN REVIEWED BY GREG P. STAHL RC No. 5023 DRILLING COMPANY SPECTRUM EXPLORATION DRILLER VAN LEONARD METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER 10 IN DEPTH DRILLED 30 FT DEPTH TO WATER INITIAL 16 FT STATIC 15.5 FT CASING TYPE PVC F480 DIAMETER 4 IN SCHEDULE AD INTERVAL 0 FT TO 9.5 FT SCREEN TYPE PVC F480 DIAMETER 4 IN SLOT SIZE 0.010 IN INTERVAL 9.5 FT TO 29.5 FT FILTER PACK TYPE RMC LONESTAR 42/12 SAND INTERVAL 7.5 FT TO 30.0 FT SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL O FT TO 7.5 FT COMMENTS: PAGE i OF 1 WELL DEPTH PID AML I U.S.C. DESCRIPTION DETAIL Ff. PPM BLOWCOUNT LOG _ '— 0—O.P ASPHALT 0.4-3' POORLY GRADED GRAVEL; 103 FN—M, SA—SR. PRLY GROG 2 GP SND: 857. FN-M. SA-SR. PRLY GRDD GRVL; 5% FNS; M BRN; NPO; DRY; N NCL REACTION; WEAK CEMENTATION; HOMO _ _ 4 3-15.5/20' LEAN CLAY; <10% FN. PRLY GRGO SND: >90S FNS; H DRY 0,0 5 STRNGTH; N OLTNCY; M TGHNSS; H PLST; STIFF; DUSKY YLLW 8 6 BRN; NPO; MST; N HCL REACTION; WEAK CEMENTATION; HOMO 7 8 CL 10 SSC-MW6-103' A 0.0 4 7 12 SSC-MW6-143' 14 2 46. 1O 4 7 16 15.5/20-21.5/25'. SILTY SAND: !1Sr FN, PRLY GROG SND; M DNS: 15% FNS; 18 DUSKY YLLW BRN; NPO; WET; N HCL REACTION; WEAK CEMENTATION: HOMO ZO 6 0.0 8 SM 22 21.5/25-26' POORLY GRADED SAND: >95% FN—M. SA—SR. PRLY GRED SND; _ M DNS; <5S FNS: DUSKY YLLW BRN; NPO; WET; N HCL REACTION: WEAK CEMENTATION; HOMO 24 9 /sp t0 26 0.0 6 26-28.5/30' WELL GRADED SAND; >90% FN—CRS; SA—SR, W GROD SNO; $1Y M DNS: <10% FNS; DUSKY YLLW BRN; NPO; WET; N NCL REACTION; WEAK CEMENTATION; HOMO _ 28- 26.5/30-31.5' SILTY SAND: 85% FN—CRS; SA—SR, W GROG SND; M DNS; 15% FNS; DUSKY YLLW BRN; NPO; WET; N HCL REACTION; WEAK CEMENTATION; HOMO 30 0.0 7 SM 7 �ERED GE 32 3a GAS ��O GREGORY P. -11c s No. 5023 36 eP 38 l9lF�F CALIF�R�\P 40