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Breaksea Reef 1

Otway, South Australia

Breaksea Reef 1 is a petroleum well in the Otway, South Australia, operated by Ultramar, drilled to a total depth of 4,468 m.

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Well Information

Well Name
Breaksea Reef 1
Basin
Otway
State
South Australia
Classification
FEST
Operator
Ultramar
Driller
Diamond M
Data Summary
Partial WDS Available

Drilling Data

Total Depth
4,468 m
Datum Elevation
22.0 m
Spud Date
22/12/1983
Completion Date
28/05/1984
Permit
EPP 18

Location

Latitude
0.0000
Longitude
0.0000

Available Log Data

4
Log Streams
33
Curves
627,054
Data Points
95,565
Metres

Caliper (1 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CALI 246 m 4171 m 3925 m

CaliperCalcite (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
CALC 274 m 515 m 240 m
CALC 275 m 515 m 240 m

Chromato (8 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ETHA 3332 m 4385 m 1053 m
ETHA 3332 m 4260 m 928 m
ETHA 3469 m 4386 m 916 m
METH 799 m 4260 m 3461 m
METH 3455 m 4386 m 931 m
METH 799 m 4385 m 3586 m
PROP 3597 m 4385 m 787 m
PROP 3597 m 4385 m 787 m

Density (4 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 763 m 4173 m 3409 m
FCNL 763 m 4167 m 3403 m
PEF 763 m 4173 m 3409 m
RHOB 763 m 4172 m 3408 m

GR (1 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
GR 89 m 4275 m 4186 m

Miscellaneous (4 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 274 m 4261 m 3986 m
DEPT 3446 m 4386 m 939 m
DEPT 89 m 4289 m 4199 m
DEPT 275 m 4385 m 4110 m

Mudlog (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 275 m 4260 m 3985 m
ROP 3446 m 4385 m 938 m
ROP 275 m 4385 m 4110 m

Neutron (2 curves)

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

Curve Start End Interval
NCNL 763 m 4167 m 3403 m
NPHI 763 m 4168 m 3404 m

Resistivity (5 curves)

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

Curve Start End Interval
CILD 246 m 4288 m 4042 m
ILD 246 m 4288 m 4042 m
ILM 246 m 4288 m 4042 m
SFLA 246 m 4288 m 4042 m
SFLU 246 m 4288 m 4042 m

Sonic (2 curves)

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

Curve Start End Interval
DT 240 m 4279 m 4039 m
DTL 765 m 4279 m 3514 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 246 m 4286 m 4040 m

Location Map

Nearby Wells