~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 1848.0 : START DEPTH STOP.FT 2049.5 : 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); coverage 28%; 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); coverage 28%; 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); coverage 28%; 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 33%; 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 33%; 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 33%; 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: 3424423.pdf page 16; body rows 39-3068. Depth = 0.066678 * row + 1845.304 ft from 4 OCR depth labels (max residual 0.06 ft, 0 labels rejected). Tracks: GAMMARAY x 77-793 = 0.0-150.0 linear solid; SPONTANEOUSPOTEN x 77-1069 = -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. Benchmark: https://hydrohistorian.com/static/data/releases/gw/digitizer-benchmark.md ~ASCII ----------------------------------------------------- 1848.00000 60.96369 -120.56452 133.24303 1848.50000 62.74441 -120.56452 133.24303 1849.00000 65.88687 -120.56452 133.24303 1849.50000 69.02933 -999.25 132.54644 1850.00000 70.07682 -999.25 131.15325 1850.50000 69.65782 -120.56452 131.15325 1851.00000 68.71508 -120.56452 132.19814 1851.50000 68.19134 -999.25 133.93963 1852.00000 66.20112 -999.25 135.33282 1852.50000 62.43017 -999.25 136.37771 1853.00000 58.65922 -999.25 137.42260 1853.50000 57.92598 -999.25 138.81579 1854.00000 59.81145 -119.95968 140.20898 1854.50000 62.43017 -119.85887 141.60217 1855.00000 64.21089 -119.65726 141.60217 1855.50000 64.21089 -999.25 141.60217 1856.00000 62.11592 -999.25 140.90557 1856.50000 59.91620 -999.25 140.55728 1857.00000 60.12570 -999.25 139.51238 1857.50000 62.11592 -999.25 140.20898 1858.00000 64.31564 -999.25 142.64706 1858.50000 64.83939 -119.95968 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