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I <br /> WATER WORK <br /> -� 1NELL/BQR�NG LOG <br /> PROJECT CHEVRON STOCKTON LOCATION 540 NORTH AURORA WAY STOCKTON PROJECT N❑ 376 <br /> WELL/BORING NO HV2 SURFACE ELEVATION NA WELLHEAD ELEVATION NA rT <br /> DATE DRILLED 04/30/91 REVIEWED BY NORA H KATAOKA RCE #38322 LOGGED BY TINA LePAGE <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER TED COFFEY METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER . 8 IN DEPTH DRILLED 72 FT DEPTH TO WATER INITIAL 65 FT STATIC - 6L7- Fj <br /> CASING TYPE PVC F480 DIAMETER 2 IN SCHEDULE 40 INTERVAL. 0 F-T- TO 52 FT <br /> SCREEN TYPE PVC F480 DIAMETER 2 IN_ SLOT SIZE 0010 IN INTERVAL. 52 El TO 77 FT <br /> FILTER PACK TYPE #2/12 SILICA SAND INTERVAL 47 FT TO 77 FT <br /> SURFACE SEAL TYPE NEAT CEMENT OVER 2' BENTONITE PLUG INTERVAL 0 FT T❑ 45.5 ET <br /> NOTES <br /> WELL DEPTH PIDAMPLE ID USG. SEAL DESCRIPTION <br /> DETAIL (FT) (PPM) L9VCOUN7 LOG <br /> 0 0-3' ASPHALT <br /> FILL 3,-2, SANDY FILL MATERIAL <br /> 2 <br /> CL 2-5 SANDY LEAN CLAY; 30/ SR, FN, PRLY GRDD SND] 70/ FNS, <br /> 4 M DRY STRNGTHj SLW DLTNCY, M TGHNSS, M PLST, V <br /> STIFFS DRK YLLV BRN; NPC, MSTj N HCL REACTION WEAK <br /> 5 ---- CEMENTATION] HOMO <br /> 6 20 <br /> 8 5-15' SANDY LEAN CLAY, 40% SR FN. PRLY GRDD SND1 M DRY <br /> CL STRNGTHj SLW DLTNCY, M TGHNSS,] M PLST] V STIFF] M <br /> YLLOV BRN; NPO] MST, N HCL REACTION] WEAK CEKENT- <br /> 6T ATIONj HOM <br /> 12 <br /> 12 17 <br /> L 14 <br /> 14 <br /> 17 <br /> lb <br /> 33 15-235/25' CLAYEY SAND, 60/ SR FN PRLY GRDD SND, 40/ FNS, L <br /> DRY STRNGTHj SLW-R DLTNCY] L PLST, M DNS, M YLLV <br /> 18 BRN, NPO; N HCL REACTION, WEAK CEMENTATION, MOTTLED <br /> j Sc <br /> 20 <br /> 12 <br /> 15 <br /> 22 <br /> 215/25-265/30 POORLY GRADED SAND, 100/ SR M,-FN PRLY GRAD SND, N <br /> 2NPO, MST, N HCL REACTION, <br /> 4 WEAK CEMENTATION] HOMO <br /> 7 SP <br /> 26 13 <br /> l7 <br /> 28 265/30-30 MODERATE GRADED SAND, 100/ SA-SR MODERATELY GRDD <br /> SND, N PLST] V DNS, CLIVE GRYj NPO; MST, WEAK <br /> SP/SW CEMENTATION, HOMO <br /> 30 15 <br /> 28 <br /> 32 37 30-35' CLAYEY SAND, 60/ SA-SR FN PRLY GRDD SND, 404 FNS. <br /> SC M DRY STRNGTHj SLW DLTNCY, M ,TGHNSS; M PLST; M <br /> DNSj M YLLV BRN; NPO; MST; N HCL REACTION; WEAK <br /> 34 CEMENTATION; HOMO <br /> 5 ---- <br /> 36 12 35-40 CLAYEY SAND] 55/. SR FN PRLY GRDD SND; 45/ FNS, <br /> 27 M DRY STRNGTHj SLW DLTNCY; M TGHNSSi M PLST] DNS, <br /> Sc DRK YLLV BRNj NPO; MSTj N HCL�REACTIONj WEAK <br /> 38 CEMENTATION MOTTLED <br /> 40 1640-45' LEAN CLAY] 10/ SR FN, PRLY GRDD SNDI 90Y FNSj M DRY <br /> 20 STRNGTHj SLW DLTNCY; M TGHNSS] M PLST& HRDj DRK YLLV <br /> 42 32 CL BRN, NPO, MST, N NCL REACTION, VEAK CEMENTATION; <br /> MOTTLED <br /> PAGE 1 OF—.L <br />