~Version --------------------------------------------------- VERS. 2.0 : CWLS log ASCII Standard -VERSION 2.0 WRAP. NO : One line per depth step DLM . SPACE : Column Data Section Delimiter ~Well ------------------------------------------------------ STRT.FT 848.0 : START DEPTH STOP.FT 1050.0 : STOP DEPTH STEP.FT 0.5 : STEP NULL. -999.25 : NULL VALUE COMP. : COMPANY WELL. : WELL FLD . : FIELD LOC . : LOCATION PROV. : PROVINCE CNTY. : COUNTY STAT. : STATE CTRY. : COUNTRY SRVC. : SERVICE COMPANY DATE. : DATE UWI . : UNIQUE WELL ID API . : API NUMBER ~Curve Information ----------------------------------------- DEPT .FT : Depth GAMMARAY .GAPI : Gamma Ray digitized from raster; gate=pass SPONTANEOUSPOTEN.mV : Spontaneous Potential digitized from raster; gate=fail (dashed curve on a Phoenix/Pioneer print: not traceable yet (benchmark median r 0.00); ambiguous rows 33%; scale OCR confidence 0.76; SP : Spontaneous Potential digitized from raster; gate=fail (dashed curve on a Phoenix/Pioneer print: not traceable (benchmark median r 0.38 for the shallow resistivity, 0.00 before the dash/dot split); ambiguous rows 33%; scale OCR confidence 0.76; SP : Spontaneous Potential digitized from raster; gate=fail (dashed curve on a Phoenix/Pioneer print - not traceable (benchmark median r 0.38 for the shallow resistivity, 0.00 before the dash/dot split); ambiguous rows 33%; scale OCR confidence 0.76; SP - the printed scale is a span with an unknown offset, and the benchmark could not verify the shape (median r 0.28 after offset removal)) SHALLOWRESISTIVI.Ohm-m : Shallow Resistivity digitized from raster; gate=fail (solid curve on a Phoenix/Pioneer print: only the gamma is verified (its resistivity scales are log/backup scales the parser does not read, benchmark r < 0.5); ambiguous rows 48%; curve class not verified by the benchmark : Shallow Resistivity digitized from raster; gate=fail (solid curve on a Phoenix/Pioneer print: only the gamma is verified (its resistivity scales are log/backup scales the parser does not read, benchmark r < 0.5); ambiguous rows 48%; curve class not verified by the benchmark : Shallow Resistivity digitized from raster; gate=fail (solid curve on a Phoenix/Pioneer print - only the gamma is verified (its resistivity scales are log/backup scales the parser does not read, benchmark r < 0.5); ambiguous rows 48%; curve class not verified by the benchmark - Shallow Resistivity traced as solid) ~Params ---------------------------------------------------- ~Other ----------------------------------------------------- AUTO-DIGITIZED FROM A RASTER SCAN -- NOT AN ORIGINAL DIGITAL LOG. Screening data; keep the scan. Source: 3781028.pdf page 11; body rows 267-3299. Depth = 0.066817 * row + 829.955 ft from 5 OCR depth labels (max residual 0.27 ft, 0 labels rejected). Tracks: GAMMARAY x 78-794 = 0.0-150.0 linear solid; SPONTANEOUSPOTEN x 78-1068 = -200.0-0.0 linear dashed; SHALLOWRESISTIVI x 1106-1752 = 50.0-500.0 linear solid Per curve: coverage, ambiguous-row share, wraps and the gate verdict are in each curve's description. hydrohistorian gw_digitize auto v2.3. 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