North Colgoon 1

North Colgoon 1 is a petroleum well in the Surat, Queensland, operated by Hartogen, drilled to a total depth of 1,515 m.

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Well Information

Well Name: North Colgoon 1
Basin: Surat
State: Queensland
Classification: NEST
Operator: Hartogen
Driller: Atco

Drilling Data

Total Depth: 1,515 m
Datum Elevation: 258.0 m
Spud Date: 30/08/1987
Completion Date: 07/09/1987
Permit: PL 14
Rig: Rig 3

Location

Latitude: -27.1161
Longitude: 148.9180

Available Log Data

Log Streams

Curves

88,278

Data Points

13,454

Metres

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve	Start	End	Interval
CALI	1185 m	1513 m	328 m
CALI	149 m	1508 m	1358 m

Density (3 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve	Start	End	Interval
DRHO	1185 m	1515 m	329 m
PEF	1185 m	1515 m	330 m
RHOB	1185 m	1513 m	328 m

GR (3 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
GR	139 m	1502 m	1363 m
GR	0 m	1509 m	1509 m
GR	1185 m	1504 m	319 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
DEPTH	0 m	1515 m	1515 m

Neutron (1 curves)

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

Curve	Start	End	Interval
NPHI	1185 m	1507 m	321 m

Resistivity (3 curves)

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

Curve	Start	End	Interval
LLD	149 m	1509 m	1359 m
LLS	149 m	1509 m	1359 m
MSFL	1189 m	1503 m	314 m

Sonic (1 curves)

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

Curve	Start	End	Interval
DT	146 m	1512 m	1365 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve	Start	End	Interval
SP	149 m	1499 m	1349 m