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Undan 4

Bonaparte, Northern Territory

Undan 4 is a petroleum well in the Bonaparte, Northern Territory, operated by BHP, drilled to a total depth of 3,290 m.

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Well Information

Well Name
Undan 4
Basin
Bonaparte
State
Northern Territory
Classification
FEFA
Operator
BHP
Driller
Diamond
Data Summary
Partial WDS Available

Drilling Data

Total Depth
3,290 m
Datum Elevation
22.0 m
Spud Date
05/05/1996
Completion Date
08/06/1996
Permit
ZOCA 91 13

Location

Latitude
-11.0457
Longitude
126.5487

Available Log Data

3
Log Streams
42
Curves
462,161
Data Points
70,434
Metres

Borehole Geometry (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
AZIM 1533 m 3194 m 1660 m
DEVI 2795 m 3294 m 499 m
HAZI 2795 m 3294 m 499 m

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CALI 2791 m 3285 m 493 m
CALS 140 m 3282 m 3142 m

Chromato (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
BUTA 2885 m 3145 m 259 m
ETHA 2813 m 3188 m 375 m
METH 1994 m 3289 m 1295 m
MTE2 2781 m 3294 m 512 m
MTEM 128 m 3291 m 3163 m
PROP 2819 m 3188 m 368 m

Density (4 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 2795 m 3285 m 490 m
LITH 2795 m 3285 m 490 m
PEF 2795 m 3285 m 490 m
RHOB 2795 m 3285 m 490 m

Dip and Scan (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DDA 2795 m 3291 m 496 m
DDIP 2795 m 3294 m 499 m

GR (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
GR 120 m 3277 m 3157 m
GR1 2781 m 3276 m 494 m
GRAM 1504 m 3277 m 1773 m

Miscellaneous (4 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 117 m 3290 m 3172 m
DEPT 120 m 3294 m 3174 m
DEPT 1497 m 3291 m 1794 m
INC 1533 m 3194 m 1660 m

Mudlog (5 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 117 m 3290 m 3172 m
ROPS 1510 m 3291 m 1780 m
TGAS 1995 m 3289 m 1294 m
WOB 118 m 3290 m 3172 m
WOB 1510 m 3291 m 1780 m

Neutron (2 curves)

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

Curve Start End Interval
NPHI 2795 m 3279 m 484 m
TNPH 2795 m 3279 m 484 m

Resistivity (8 curves)

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

Curve Start End Interval
LLD 142 m 3269 m 3126 m
LLS 142 m 3269 m 3126 m
MRES 128 m 3291 m 3163 m
MSFL 142 m 3280 m 3137 m
PDEM 1497 m 3278 m 1781 m
RACM 2791 m 3280 m 488 m
RPCM 1497 m 3280 m 1782 m
TCDM 1507 m 3291 m 1784 m

Sonic (2 curves)

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

Curve Start End Interval
DT 140 m 3291 m 3151 m
DTL 140 m 3291 m 3151 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 142 m 3259 m 3116 m

Location Map

Nearby Wells