Tirrawarra 21

Tirrawarra 21 is a petroleum well in the Cooper, South Australia, operated by Santos, drilled to a total depth of 2,993 m.

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Well Information

Well Name: Tirrawarra 21
Basin: Cooper
State: South Australia
Classification: NDOD
Operator: Santos
Driller: S & T

Drilling Data

Total Depth: 2,993 m
Datum Elevation: 52.1 m
Spud Date: 23/06/1982
Completion Date: 25/07/1982
Permit: -
Rig: Ideco 900

Location

Latitude: -27.6791
Longitude: 140.1060

Available Log Data

Log Streams

Curves

143,935

Data Points

21,936

Metres

Caliper (3 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve	Start	End	Interval
CALI	188 m	2993 m	2804 m
CALI	2559 m	2993 m	434 m
CALS	1701 m	2993 m	1291 m

Density (3 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve	Start	End	Interval
DRHO	2559 m	2994 m	435 m
PEF	2559 m	2994 m	435 m
RHOB	2559 m	2994 m	435 m

GR (3 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
GR	9 m	2988 m	2979 m
GR	1651 m	2980 m	1329 m
GR	2559 m	2987 m	427 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
DEPTH	9 m	2994 m	2985 m

Neutron (1 curves)

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

Curve	Start	End	Interval
NPHI	2559 m	2990 m	430 m

Resistivity (3 curves)

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

Curve	Start	End	Interval
LLD	1701 m	2991 m	1289 m
LLS	1701 m	2991 m	1289 m
MSFL	1701 m	2985 m	1283 m

Sonic (1 curves)

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

Curve	Start	End	Interval
DT	188 m	2992 m	2803 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve	Start	End	Interval
SP	1701 m	2980 m	1279 m