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Alwyn North 1

Eromanga, South Australia

Alwyn North 1 is a petroleum well in the Eromanga, South Australia, operated by Santos, drilled to a total depth of 1,633 m.

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Well Information

Well Name
Alwyn North 1
Basin
Eromanga
State
South Australia
Classification
NEST
Operator
Santos
Driller
Century

Drilling Data

Total Depth
1,633 m
Datum Elevation
37.0 m
Spud Date
15/03/1991
Completion Date
26/03/1991
Permit
-
Rig
Rig 3

Location

Latitude
-28.4778
Longitude
140.3440

Available Log Data

1
Log Streams
29
Curves
169,489
Data Points
25,830
Metres

Other (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DTHC 1114 m 1625 m 510 m
DTHR 1114 m 1625 m 510 m
DTHT 1114 m 1625 m 510 m

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CALI 1104 m 1625 m 520 m
CALS 231 m 1625 m 1393 m

Chromato (1 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
MTEM 213 m 1630 m 1417 m

Density (4 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 1104 m 1625 m 520 m
LITH 1104 m 1625 m 520 m
PEF 1104 m 1625 m 520 m
RHOB 1104 m 1625 m 520 m

GR (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
CGR 1104 m 1615 m 511 m
GR 30 m 1603 m 1572 m
POTA 1104 m 1615 m 511 m
SGR 1104 m 1615 m 511 m
THOR 1104 m 1615 m 511 m
URAN 1104 m 1615 m 511 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPTH 30 m 1630 m 1600 m

Neutron (1 curves)

Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.

Curve Start End Interval
NPHI 1104 m 1625 m 520 m

Resistivity (6 curves)

Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.

Curve Start End Interval
LLD 233 m 1611 m 1378 m
LLS 233 m 1611 m 1378 m
MINV 1104 m 1618 m 514 m
MNOR 1104 m 1618 m 514 m
MRES 213 m 1630 m 1417 m
MSFL 1120 m 1611 m 490 m

Sonic (4 curves)

Acoustic travel time logs used for porosity estimation and seismic calibration.

Curve Start End Interval
DT 231 m 1625 m 1393 m
DTL 231 m 1625 m 1393 m
DTLF 231 m 1625 m 1393 m
DTLN 231 m 1625 m 1393 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 233 m 1597 m 1363 m