Cossack 1

Cossack 1 is a petroleum well in the Carnarvon, Western Australia, operated by Woodside, drilled to a total depth of 3,030 m.

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Well Information

Well Name: Cossack 1
Basin: Carnarvon
State: Western Australia
Classification: FEST
Operator: Woodside
Driller: Atwood
Data Summary: Partial WDS Available

Drilling Data

Total Depth: 3,030 m
Datum Elevation: 25.0 m
Spud Date: 16/11/1989
Completion Date: 30/01/1990
Permit: WA 28 P
Rig: Margie Nat 1320 UE

Location

Latitude: -19.5560
Longitude: 116.4960

Available Log Data

Log Streams

Curves

136,498

Data Points

20,804

Metres

Caliper (1 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve	Start	End	Interval
CALI	398 m	3020 m	2622 m

Density (3 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve	Start	End	Interval
DRHO	401 m	3029 m	2628 m
PEF	2828 m	3029 m	201 m
RHOB	401 m	3029 m	2628 m

GR (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
GR	383 m	3020 m	2637 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
DEPTH	383 m	3029 m	2646 m

Neutron (1 curves)

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

Curve	Start	End	Interval
NPHI	2815 m	3029 m	214 m

Resistivity (6 curves)

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

Curve	Start	End	Interval
ILD	1862 m	2825 m	963 m
ILM	1862 m	2825 m	963 m
LLD	2827 m	3026 m	199 m
LLS	2827 m	3026 m	199 m
MSFL	2833 m	3009 m	176 m
SFLU	1862 m	2825 m	963 m

Sonic (1 curves)

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

Curve	Start	End	Interval
DT	398 m	3019 m	2621 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve	Start	End	Interval
SP	1862 m	2997 m	1135 m