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Toolka 1A

Bass, Tasmania

Toolka 1A is a petroleum well in the Bass, Tasmania, operated by Esso, drilled to a total depth of 2,715 m.

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Well Information

Well Name
Toolka 1A
Basin
Bass
State
Tasmania
Classification
FEST
Operator
Esso
Driller
Global Marine
Data Summary
Partial WDS Available

Drilling Data

Total Depth
2,715 m
Datum Elevation
9.8 m
Spud Date
06/01/1974
Completion Date
28/01/1974
Permit
-

Location

Latitude
-39.4099
Longitude
145.3959

Available Log Data

2
Log Streams
17
Curves
206,596
Data Points
31,486
Metres

Caliper (1 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CALI 840 m 2709 m 1868 m

Chromato (4 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
BUTA 2229 m 2242 m 12 m
ETHA 1566 m 2714 m 1148 m
METH 558 m 2714 m 2156 m
PROP 1859 m 2703 m 843 m

Density (2 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 851 m 2715 m 1864 m
RHOB 841 m 2715 m 1874 m

GR (1 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
GR 89 m 2708 m 2619 m

Miscellaneous (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 89 m 2716 m 2627 m
DEPT 234 m 2714 m 2480 m

Mudlog (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 234 m 2714 m 2480 m
TGAS 538 m 2714 m 2176 m

Neutron (1 curves)

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

Curve Start End Interval
NPHI 842 m 2711 m 1869 m

Resistivity (2 curves)

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

Curve Start End Interval
IND 850 m 2712 m 1862 m
SFL 850 m 2712 m 1862 m

Sonic (1 curves)

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

Curve Start End Interval
DT 840 m 2716 m 1875 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 849 m 2715 m 1865 m