Toolachee 40

Toolachee 40 is a petroleum well in the Cooper, South Australia, operated by Santos, drilled to a total depth of 2,423 m.

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Well Information

Well Name: Toolachee 40
Basin: Cooper
State: South Australia
Classification: NDOD
Operator: Santos
Driller: Century

Drilling Data

Total Depth: 2,423 m
Datum Elevation: 72.0 m
Spud Date: 18/08/1987
Completion Date: 09/09/1987
Permit: PEL 5_6
Rig: Rig 2

Location

Latitude: -28.3483
Longitude: 140.8360

Available Log Data

Log Streams

Curves

151,478

Data Points

23,085

Metres

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve	Start	End	Interval
CALI	254 m	2392 m	2138 m
CALI	1756 m	2295 m	538 m

Density (5 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve	Start	End	Interval
DRHO	1756 m	2296 m	539 m
LITH	1756 m	2296 m	539 m
PEF	1756 m	2296 m	539 m
RHGX	1756 m	2296 m	539 m
RHOB	1756 m	2296 m	539 m

GR (2 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
GR	0 m	2400 m	2400 m
GR	1756 m	2288 m	531 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
DEPTH	0 m	2411 m	2411 m

Neutron (1 curves)

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

Curve	Start	End	Interval
NPHI	1756 m	2295 m	538 m

Resistivity (3 curves)

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

Curve	Start	End	Interval
LLD	256 m	2398 m	2142 m
LLS	256 m	2398 m	2142 m
MSFL	1282 m	2392 m	1110 m

Sonic (2 curves)

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

Curve	Start	End	Interval
DT	258 m	2411 m	2153 m
DTL	258 m	2403 m	2144 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve	Start	End	Interval
SP	255 m	2390 m	2134 m