Leatherback 1

Leatherback 1 is a petroleum well in the Carnarvon, Western Australia, operated by Lasmo, drilled to a total depth of 2,258 m.

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Well Information

Well Name: Leatherback 1
Basin: Carnarvon
State: Western Australia
Classification: FEST
Operator: Lasmo
Driller: Maersk
Data Summary: Partial WDS Available

Drilling Data

Total Depth: 2,258 m
Datum Elevation: 26.0 m
Spud Date: 31/05/1991
Completion Date: 02/07/1991
Permit: EP 342
Rig: Valiant

Location

Latitude: -21.6855
Longitude: 114.3650

Available Log Data

Log Streams

Curves

149,699

Data Points

22,815

Metres

Caliper (1 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve	Start	End	Interval
CALI	406 m	2250 m	1844 m

Density (3 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve	Start	End	Interval
DRHO	1336 m	2246 m	910 m
PEF	1351 m	2248 m	897 m
RHOB	1351 m	2249 m	897 m

GR (5 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
GR	26 m	2241 m	2214 m
GR	1325 m	2251 m	926 m
POTA	1325 m	2259 m	934 m
THOR	1325 m	2259 m	934 m
URAN	1325 m	2259 m	934 m

Miscellaneous (1 curves)

Well log curves recorded during wireline logging operations.

Curve	Start	End	Interval
DEPTH	26 m	2259 m	2233 m

Neutron (1 curves)

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

Curve	Start	End	Interval
NPHI	1352 m	2252 m	899 m

Resistivity (3 curves)

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

Curve	Start	End	Interval
LLD	407 m	2250 m	1842 m
LLS	407 m	2250 m	1842 m
MSFL	407 m	2255 m	1847 m

Sonic (1 curves)

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

Curve	Start	End	Interval
DT	406 m	2235 m	1829 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve	Start	End	Interval
SP	407 m	2232 m	1825 m