← Basin groundwater

MERIDIAN LFH-7

Monitored well · 153148 · Division 2 · Water District 10

Its well permit here · Well permit at DWR ↗

Source DWR administrative record · verify at DWR well record ↗ Source DWR administrative record · verify at DWR permit record ↗

High Plains / Ogallala

Effectively non-recharging in eastern Colorado; declines are storage depletion, a separate ledger line.

Because this aquifer does not recharge on a human timescale, a decline here is storage being removed, not a stream being short. It is kept out of the stream-depletion math for that reason.

Water-level record

No water-level measurements are cached for this well. It is in the well inventory — permit, construction and aquifer below — but nobody has logged a level we hold.

Geophysical log

DWR holds a geophysical log for this well, run 2021-01-26 (gamma, resistivity, spontaneous_potential). DWR's log page.

Formation picks (DWR)

AquiferTop ftBase ftNet sand ft
DENVER456 1218
ARAPAHOE1248 1768
LARAMIE-FOX HILLS2037 2365
DAWSON 398

Net sand is DWR's own reading of the log (its gLogThickness), not the gross interval.

Net sand per aquifer, from the gamma curve

Computed here from DWR's own digital log (LAS): linear gamma index, clean/shale lines at p10/p90 of the gamma over the interval, sand where Vsh < 0.4, beds under 1.0 ft merged. DWR’s own pick is beside it, never averaged with it.

AquiferInterval ftNet sand ftNet / grossDWR net sand ftDifference ft
DENVER456–1218 275 0.36
ARAPAHOE1248–1768 226 0.44
LARAMIE-FOX HILLS2037–2365 119 0.36

A gamma cutoff is a convention, not a measurement. Against DWR’s own picks on 50 wells this one correlates at r 0.86 with a median error near 30% and no bias (how it was scored).

Curves digitized from the scan

Hydrohistorian traced the scanned log automatically. 27 curves passed the confidence gate; 211 did not and are listed with the reason. Screening data: the scan stays the record.

CurveInterval ftCoverageVerdict Curves like this one scored
Conductivity (mmho/m) 34–2956 11% not used: 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 11%; ambiguous rows 45%
Deep Resistivity (Ohm-m) 34–2956 6% not used: 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 6%; ambiguous rows 75%
Deep Resistivity (Ohm-m) 34–2956 7% not used: 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 7%; ambiguous rows 72%
Gamma Ray (GAPI) 34–2956 92% not used: ambiguous rows 66%
LTEN (Ib) 34–2956 22% not used: 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 22%; ambiguous rows 31%; scale OCR confidence 0.71; curve name not recognized: 'LTEN'
LTEN (b) 34–2956 8% not used: 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 8%; ambiguous rows 64%; curve name not recognized: 'LTEN'
Shallow Resistivity (Ohm-m) 34–2956 13% not used: 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 13%; ambiguous rows 8%
Shallow Resistivity (Ohm-m) 34–2956 91% not used: 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 95%; scale OCR confidence 0.79; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 34–2956 25% not used: 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 25%; ambiguous rows 50%; 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)
BIT SIZE (in) 23–2954 19% not used: 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 20%; ambiguous rows 53%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 23–2954 90% not used: 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 89%; curve name not recognized: 'CNPOR'
CNPOR (pu) 23–2954 11% not used: 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 11%; ambiguous rows 56%; curve name not recognized: 'CNPOR'
Gamma Ray (GAPI) 23–2954 91% not used: ambiguous rows 69%; scale OCR confidence 0.56
Gamma Ray (GAPI) 23–2954 12% not used: 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 12%; ambiguous rows 70%
LINE TENSION (Ib) 23–2954 21% not used: 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 22%; ambiguous rows 35%; scale OCR confidence 0.65; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 23–2954 89% not used: 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 68%; curve name not recognized: 'RHOC'
dcal (in) 23–2954 9% not used: 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 10%; ambiguous rows 61%; curve name not recognized: 'dcal'
dcal (in) 23–2954 7% not used: 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 8%; ambiguous rows 49%; curve name not recognized: 'dcal'
Conductivity (mmho/m) 30–350 10% not used: 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 11%; ambiguous rows 15%
Deep Resistivity (Ohm-m) 30–350 15% not used: 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 15%; ambiguous rows 25%
Gamma Ray (GAPI) 30–350 98% not used: ambiguous rows 55%
LTEN (Ib) 30–350 29% not used: 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 30%; ambiguous rows 17%; curve name not recognized: 'LTEN'
Off (Off) 30–350 10% not used: coverage 10%; ambiguous rows 23%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 30–350 98% not used: 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 77%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 30–350 31% not used: 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 32%; 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)
Conductivity (mmho/m) 400–900 18% not used: 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 18%; ambiguous rows 16%
Deep Resistivity (Ohm-m) 400–900 30% not used: 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 31%; ambiguous rows 19%
Gamma Ray (GAPI) 400–900 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 400–900 50% not used: 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 17%; curve name not recognized: 'LTEN'
Off (Off) 400–900 5% not used: coverage 6%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 400–900 99% not used: 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 98%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 400–900 30% not used: 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 31%; 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)
Conductivity (mmho/m) 950–1450 18% not used: 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); calibration residual 1.1 ft; coverage 18%; ambiguous rows 11%
Deep Resistivity (Ohm-m) 950–1450 28% not used: 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); calibration residual 1.1 ft; coverage 29%; ambiguous rows 20%
Gamma Ray (GAPI) 950–1450 99% not used: calibration residual 1.1 ft
LTEN (Ib) 950–1450 51% not used: 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); calibration residual 1.1 ft; ambiguous rows 15%; curve name not recognized: 'LTEN'
Off (Off) 950–1450 6% not used: calibration residual 1.1 ft; coverage 7%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 950–1450 99% not used: 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); calibration residual 1.1 ft; ambiguous rows 100%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 950–1450 35% not used: 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); calibration residual 1.1 ft; coverage 35%; 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)
Conductivity (mmho/m) 1500–2000 15% not used: 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); calibration residual 1.3 ft; coverage 15%; ambiguous rows 15%
Deep Resistivity (Ohm-m) 1500–2000 26% not used: 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); calibration residual 1.3 ft; coverage 26%; ambiguous rows 19%
Gamma Ray (GAPI) 1500–2000 99% not used: calibration residual 1.3 ft
LTEN (Ib) 1500–2000 49% not used: 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); calibration residual 1.3 ft; ambiguous rows 14%; curve name not recognized: 'LTEN'
Off (Off) 1500–2000 6% not used: calibration residual 1.3 ft; coverage 7%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 1500–2000 99% not used: 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); calibration residual 1.3 ft; ambiguous rows 100%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 1500–2000 40% not used: 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); calibration residual 1.3 ft; 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)
Conductivity (mmho/m) 2050–2543 14% not used: 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 15%; ambiguous rows 28%
Deep Resistivity (Ohm-m) 2050–2543 22% not used: 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 23%; ambiguous rows 26%
Gamma Ray (GAPI) 2050–2543 77% not used: ambiguous rows 51%
LTEN (Ib) 2050–2543 36% not used: 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 36%; ambiguous rows 16%; curve name not recognized: 'LTEN'
Off (Off) 2050–2543 9% not used: coverage 10%; ambiguous rows 25%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 2050–2543 78% not used: 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 98%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 2050–2543 26% not used: 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 27%; ambiguous rows 10%; 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)
Conductivity (mmho/m) 48–250 32% not used: 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 33%; ambiguous rows 7%
Deep Resistivity (Ohm-m) 48–250 47% not used: 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 25%
Gamma Ray (GAPI) 48–250 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 48–250 63% not used: 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 24%; curve name not recognized: 'LTEN'
Off (Off) 48–250 18% not used: coverage 18%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 48–250 100% not used: 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 70%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 48–250 31% not used: 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 31%; 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)
Conductivity (mmho/m) 298–469 42% not used: 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 16%
Deep Resistivity (Ohm-m) 298–469 56% not used: 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 26%
Gamma Ray (GAPI) 298–469 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 298–469 74% not used: 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 21%; curve name not recognized: 'LTEN'
Off (Off) 298–469 14% not used: coverage 15%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 298–469 100% not used: 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 87%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 298–469 28% not used: 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)
Conductivity (mmho/m) 498–690 36% not used: 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 37%; ambiguous rows 26%
Deep Resistivity (Ohm-m) 498–690 48% not used: 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 38%
Gamma Ray (GAPI) 498–690 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 498–690 70% not used: 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 22%; curve name not recognized: 'LTEN'
Off (Off) 498–690 14% not used: coverage 14%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 498–690 100% not used: 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 97%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 498–690 51% not used: 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); 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)
Conductivity (mmho/m) 698–910 41% not used: 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 23%
Deep Resistivity (Ohm-m) 698–910 56% not used: 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 31%
Gamma Ray (GAPI) 698–910 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 698–910 79% not used: 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 19%; curve name not recognized: 'LTEN'
Off (Off) 698–910 13% not used: coverage 14%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 698–910 100% not used: 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 98%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 698–910 47% not used: 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); 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)
Conductivity (mmho/m) 948–1129 37% not used: 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 38%; ambiguous rows 18%
Deep Resistivity (Ohm-m) 948–1129 52% not used: 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 30%
Gamma Ray (GAPI) 948–1129 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 948–1129 77% not used: 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 20%; curve name not recognized: 'LTEN'
Off (Off) 948–1129 13% not used: coverage 13%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 948–1129 100% not used: 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 99%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 948–1129 53% not used: 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); 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)
Conductivity (mmho/m) 1148–1350 32% not used: 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 32%; ambiguous rows 22%
Deep Resistivity (Ohm-m) 1148–1350 47% not used: 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 38%
Gamma Ray (GAPI) 1148–1350 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 1148–1350 72% not used: 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 21%; curve name not recognized: 'LTEN'
Off (Off) 1148–1350 14% not used: coverage 15%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 1148–1350 100% not used: 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 99%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 1148–1350 56% not used: 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); 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)
Conductivity (mmho/m) 1398–1569 38% not used: 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 38%; ambiguous rows 36%
Deep Resistivity (Ohm-m) 1398–1569 51% not used: 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 42%
Gamma Ray (GAPI) 1398–1569 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 1398–1569 75% not used: 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 22%; curve name not recognized: 'LTEN'
Off (Off) 1398–1569 13% not used: coverage 13%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 1398–1569 100% not used: 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 98%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 1398–1569 64% not used: 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); 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)
Conductivity (mmho/m) 1598–1790 36% not used: 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 37%; ambiguous rows 30%
Deep Resistivity (Ohm-m) 1598–1790 54% not used: 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 37%
Gamma Ray (GAPI) 1598–1790 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 1598–1790 74% not used: 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 21%; curve name not recognized: 'LTEN'
Off (Off) 1598–1790 11% not used: coverage 12%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 1598–1790 100% not used: 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 100%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 1598–1790 58% not used: 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); 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)
Conductivity (mmho/m) 1798–2010 32% not used: 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 32%; ambiguous rows 42%
Deep Resistivity (Ohm-m) 1798–2010 47% not used: 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 46%
Gamma Ray (GAPI) 1798–2010 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 1798–2010 71% not used: 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 24%; curve name not recognized: 'LTEN'
Off (Off) 1798–2010 14% not used: coverage 14%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 1798–2010 100% not used: 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 99%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 1798–2010 55% not used: 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); 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)
Conductivity (mmho/m) 2048–2230 37% not used: 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 38%; ambiguous rows 17%
Deep Resistivity (Ohm-m) 2048–2230 50% not used: 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 28%
Gamma Ray (GAPI) 2048–2230 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 2048–2230 68% not used: 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 20%; curve name not recognized: 'LTEN'
Off (Off) 2048–2230 16% not used: coverage 16%; curve name not recognized: 'Off'
Shallow Resistivity (Ohm-m) 2048–2230 100% not used: 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 100%; curve class not verified by the benchmark: Shallow Resistivity traced as solid
Spontaneous Potential (mV) 2048–2230 52% not used: 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); 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)
Conductivity (mmho/m) 2193–2382 48% not used: 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 39%
Deep Resistivity (Ohm-m) 2193–2382 98% not used: 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 90%; curve class not verified by the benchmark: Deep Resistivity traced as solid
Gamma Ray (GAPI) 2193–2382 95% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LTEN (Ib) 2193–2382 68% not used: 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 26%; curve name not recognized: 'LTEN'
BIT SIZE (in) 34–350 3% not used: 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 4%; ambiguous rows 48%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 34–350 99% not used: 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 90%; curve name not recognized: 'CNPOR'
DPOR (pu) 34–350 29% not used: 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 29%; ambiguous rows 19%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 34–350 98% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 34–350 46% not used: 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 13%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 34–350 97% not used: 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 70%; curve name not recognized: 'RHOC'
dcal (in) 34–350 18% not used: 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 19%; ambiguous rows 8%; curve name not recognized: 'dcal'
BIT SIZE (in) 400–900 3% not used: 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 3%; ambiguous rows 43%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 400–900 99% not used: 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 91%; curve name not recognized: 'CNPOR'
DPOR (pu) 400–900 23% not used: 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 24%; ambiguous rows 26%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 400–900 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 400–900 40% not used: 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 22%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 400–900 98% not used: 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 42%; curve name not recognized: 'RHOC'
dcal (in) 400–900 24% not used: 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 24%; curve name not recognized: 'dcal'
BIT SIZE (in) 950–1450 4% not used: 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 4%; ambiguous rows 33%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 950–1450 99% not used: 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 88%; curve name not recognized: 'CNPOR'
DPOR (pu) 950–1450 22% not used: 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 23%; ambiguous rows 27%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 950–1450 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 950–1450 40% not used: 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 21%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 950–1450 98% not used: 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 40%; curve name not recognized: 'RHOC'
dcal (in) 950–1450 22% not used: 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 23%; ambiguous rows 5%; curve name not recognized: 'dcal'
BIT SIZE (in) 1500–2000 4% not used: 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 5%; ambiguous rows 23%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 1500–2000 99% not used: 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 88%; curve name not recognized: 'CNPOR'
DPOR (pu) 1500–2000 21% not used: 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 22%; ambiguous rows 25%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 1500–2000 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 1500–2000 39% not used: 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 39%; ambiguous rows 22%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 1500–2000 96% not used: 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 46%; curve name not recognized: 'RHOC'
dcal (in) 1500–2000 18% not used: 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 18%; curve name not recognized: 'dcal'
BIT SIZE (in) 2050–2542 5% not used: 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 6%; ambiguous rows 50%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 2050–2542 76% not used: 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 92%; curve name not recognized: 'CNPOR'
DPOR (pu) 2050–2542 18% not used: 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 19%; ambiguous rows 30%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 2050–2542 76% not used: ambiguous rows 55%
LINE TENSION (Ib) 2050–2542 31% not used: 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 31%; ambiguous rows 21%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 2050–2542 78% not used: 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 86%; curve name not recognized: 'RHOC'
dcal (in) 2050–2542 15% not used: 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 15%; ambiguous rows 18%; curve name not recognized: 'dcal'
BIT SIZE (in) 48–249 1% not used: 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 1%; ambiguous rows 54%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 48–249 100% not used: 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 73%; curve name not recognized: 'CNPOR'
DPOR (pu) 48–249 55% not used: 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 28%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 48–249 99% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 48–249 75% not used: 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 16%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 48–249 99% not used: 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 70%; curve name not recognized: 'RHOC'
dcal (in) 48–249 16% not used: 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 17%; curve name not recognized: 'dcal'
BIT SIZE (in) 298–470 3% not used: 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 4%; ambiguous rows 6%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 298–470 100% not used: 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 67%; curve name not recognized: 'CNPOR'
DPOR (pu) 298–470 56% not used: 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 26%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 298–470 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 298–470 77% not used: 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 17%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 298–470 99% not used: 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 42%; curve name not recognized: 'RHOC'
dcal (in) 298–470 28% not used: 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%; curve name not recognized: 'dcal'
BIT SIZE (in) 498–690 3% not used: 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 3%; ambiguous rows 7%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 498–690 100% not used: 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 64%; curve name not recognized: 'CNPOR'
DPOR (pu) 498–690 54% not used: 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 34%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 498–690 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 498–690 74% not used: 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 24%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 498–690 99% not used: 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 9%; curve name not recognized: 'RHOC'
dcal (in) 498–690 28% not used: 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 29%; curve name not recognized: 'dcal'
BIT SIZE (in) 698–910 1% not used: 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 1%; ambiguous rows 33%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 698–910 100% not used: 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 70%; curve name not recognized: 'CNPOR'
DPOR (pu) 698–910 58% not used: 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 30%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 698–910 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 698–910 74% not used: 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 23%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 698–910 99% not used: 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 14%; curve name not recognized: 'RHOC'
dcal (in) 698–910 30% not used: 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 31%; curve name not recognized: 'dcal'
BIT SIZE (in) 948–1129 4% not used: 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 4%; ambiguous rows 5%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 948–1129 100% not used: 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 63%; curve name not recognized: 'CNPOR'
DPOR (pu) 948–1129 52% not used: 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%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 948–1129 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 948–1129 72% not used: 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 24%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 948–1129 99% not used: 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 8%; curve name not recognized: 'RHOC'
dcal (in) 948–1129 37% not used: 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 38%; curve name not recognized: 'dcal'
BIT SIZE (in) 1148–1349 5% not used: 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 6%; ambiguous rows 9%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 1148–1349 100% not used: 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 61%; curve name not recognized: 'CNPOR'
DPOR (pu) 1148–1349 59% not used: 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%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 1148–1349 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 1148–1349 76% not used: 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 23%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 1148–1349 99% not used: 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 18%; curve name not recognized: 'RHOC'
dcal (in) 1148–1349 30% not used: 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 30%; curve name not recognized: 'dcal'
BIT SIZE (in) 1398–1570 1% not used: 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 2%; ambiguous rows 22%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 1398–1570 100% not used: 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 72%; curve name not recognized: 'CNPOR'
DPOR (pu) 1398–1570 59% not used: 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 30%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 1398–1570 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 1398–1570 81% not used: 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 21%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 1398–1570 98% not used: 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 21%; curve name not recognized: 'RHOC'
dcal (in) 1398–1570 30% not used: 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 31%; curve name not recognized: 'dcal'
BIT SIZE (in) 1598–1789 2% not used: 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 3%; ambiguous rows 12%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 1598–1789 100% not used: 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 62%; curve name not recognized: 'CNPOR'
DPOR (pu) 1598–1789 58% not used: 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 32%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 1598–1789 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 1598–1789 72% not used: 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 23%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 1598–1789 99% not used: 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 24%; curve name not recognized: 'RHOC'
dcal (in) 1598–1789 26% not used: 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 26%; curve name not recognized: 'dcal'
BIT SIZE (in) 1798–2009 2% not used: 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 3%; ambiguous rows 11%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 1798–2009 100% not used: 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 68%; curve name not recognized: 'CNPOR'
DPOR (pu) 1798–2009 55% not used: 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%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 1798–2009 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 1798–2009 75% not used: 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 23%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 1798–2009 100% not used: 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 45%; curve name not recognized: 'RHOC'
dcal (in) 1798–2009 22% not used: 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 22%; curve name not recognized: 'dcal'
BIT SIZE (in) 2048–2230 0% not used: 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 1%; ambiguous rows 67%; curve name not recognized: 'BIT SIZE'
CNPOR (pu) 2048–2230 100% not used: 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 52%; curve name not recognized: 'CNPOR'
DPOR (pu) 2048–2230 55% not used: 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 30%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 2048–2230 100% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 2048–2230 77% not used: 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 17%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 2048–2230 99% not used: 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 20%; curve name not recognized: 'RHOC'
dcal (in) 2048–2230 14% not used: 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 14%; curve name not recognized: 'dcal'
BIT SIZE (in) 2195–2387 26% not used: 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 26%; ambiguous rows 7%; curve name not recognized: 'BIT SIZE'
DPOR (pu) 2195–2387 94% not used: 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 62%; curve name not recognized: 'DPOR'
Gamma Ray (GAPI) 2195–2387 84% pass r 0.99 median, error 0.6% of scale, 7% below r 0.8 (n 411) LAS
LINE TENSION (Ib) 2195–2387 72% not used: 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 25%; curve name not recognized: 'LINE TENSION'
RHOC (g/cc) 2195–2387 98% not used: 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 name not recognized: 'RHOC'
dcal (in) 2195–2387 7% not used: 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 7%; ambiguous rows 60%; curve name not recognized: 'dcal'

"Curves like this one" is the benchmark row for this curve's class: curves of the same name traced the same way, scored against DWR's own digital log of the same run. r is correlation (the print's own smoothing allowed for); error is mean absolute error as a share of the track's printed range; "below r 0.8" is the share of passing curves in the class that still disagreed with DWR's log, which this curve's own numbers cannot rule out.

The LAS files and every verdict are in the statewide groundwater release (/data, table gw_digitized); the MCP server's gw_digitized_curves and gw_net_sand work from them. How well the tracer does was measured against DWR's own digital logs.

The well itself

Designated basinUPPER BLACK SQUIRREL
Total depth2385.0 ft
Perforated interval2090.0–2300.0 ft
Ground elevation7019.0 ft
Reported yield125.0 gpm
Permit84558
Location38.99000, -104.57000
What this page is not

Monitoring records are irregular: measurements cluster where somebody chose to look, so a trend describes this well's record, not the aquifer as a whole. Levels are DWR's published measurements, unedited. A trend here is not a prediction, and it is not a determination about anyone's water right.