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IN O ;- WELL/BORING LOC PROJECT REEVES EXXON LOCATION 23&0 EAST STREET, TRACY CA PROJECT NO. W036E WELL/80RING NO. MWI — SURFACE ELEVATION NS FT WELLHEAD ELEVATION HS rr DATE DRILLED 12/17/91 REVIEWED BY GREG STAHL RG NO. 5023 LOGGED BY Lots FRANTZ DRILLING COMPANY EXCELTEC14 DRILLER GENE NUNES/STEVE MUCINS METHOD HOLLOW STEW AUGER BORE HOLE DIAMETER s' IN DEPTH DRILLED 20 FT DEPTH TO WATER : INITIAL 7 FT STATIC 7.31 FT USING TYPE PVC FASO � DIAMETER !_ITL SCHEDULE 40 INTERVAL TO 5 FT SCPEEK TYPE PVC F400 DIAMETER _ 4 IN SLOT SIZE _ o.oto IN INTERVAL s TO FILTER PACK TYPE 2/12 SILICA SAND INTERVAL -- < FT TO_ 20 FT SURFACE SEAL TYPE CEMENT SAND SLURRYINTERVAL — 0 FT TO 3-5 FT NOTES G BENTONITE PLUG ABOVE SAND PACK WELL DEPTH PID` SAMPLE ID U.S.G. SOIL DESCRIPTION ;tom DETAIL (FT.) (PPT SLOWCOUN1, LOG .,,. 0 0-r ASPHALT . r-6.5/70' LEAN CLAY: <5% SA-SR. FN, PRLY CRDD SND: 95% FHS; H-VH 2 DRY STRNCTH: SLW-R DLTNCY: t. 14 TGHNSS; L-M PLST; U STIFF; OLIVE TO DRK CRY; M-STRNG PO; MST; WEAK-STRNG HCL REACTION; HOMO 4 1078 CL - WW1-5.51 _. LEAN CLAY WITH SAND; 425x SA-3R. FN-M, PRLY GADO SND: 6 6 >75S FNS: H-VH DRY STRNGTH; SLW-R DLTNCY: W TGHNSS: -- L-M PLST; V STIFF; W YLLV' BRN; N-SL P0: ORGANICS; WEAK — - HCL REACTION; WEAK CEMENTATION; HOMO; RUST; MOTTLED — 8 / — 10 2 Is t5 CL — 11.5/IS-16.5/20-ELASTIC SILT WITH SAND: <25% Sk-SR. FN-W, PRLY GRDD SND; 12 2D >75% YNS; M-H DRY STRNGTH; N-SLW DLTNCY; L TGNh:S; N-L - PLST: STIFF; M YLLW BRN; NPO; WET; WEAK-STA:IG HCL REACTION WEAK CEMENTATION; HOMO; TRACE Cc= 14 _ 1 — 5 V! 16 7 MH - - - 9 16.5/20-21.5' LEAN CLAY WITH SAND; <25: SA-511, FN-M, PRLY GRDD SND; 3.75% FNS H-VH DRY STRNGTH: SLW DLTNCY: L TGHNSS: L-U - 18 PLST: ST,rF: M YLL'A BRN: NPO; WET; N-WEAK Kl REACTION; WEAK CEMENTATION; HOWO; VERY HRO DRILLING — 20 4.5 CL 22 12 4= 24 26 28 30 � �\ w 32 `GREGORY P. STAHL 34 No. 50213 � 36 38 / lF OF CAL1E�� 40 - 42 - 7 042 �... PAGE OF