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Challis 11 ST2

Browse, Northern Territory

Challis 11 ST2 is a petroleum well in the Browse, Northern Territory, operated by BHP, drilled to a total depth of 1,877 m.

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Well Information

Well Name
Challis 11 ST2
Basin
Browse
State
Northern Territory
Classification
FDSC
Operator
BHP
Driller
Sedco Forex
Data Summary
Partial WDS Available

Drilling Data

Total Depth
1,877 m
Datum Elevation
26.5 m
Spud Date
16/10/1990
Completion Date
25/10/1990
Permit
NT AC/L 3
Rig
Sedco 708

Location

Latitude
-12.0991
Longitude
125.0545

Available Log Data

3
Log Streams
30
Curves
200,672
Data Points
30,584
Metres

Caliper (1 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CALS 528 m 1860 m 1331 m

CaliperCalcite (1 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
CALC 1117 m 1776 m 658 m

Chromato (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ETHA 1137 m 1861 m 723 m
IBUT 1263 m 1287 m 23 m
METH 1120 m 1876 m 756 m
MTEM 123 m 1874 m 1751 m
NBUT 1179 m 1290 m 110 m
PROP 1150 m 1396 m 246 m

GR (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
GR 123 m 1853 m 1729 m
GRD 1104 m 1862 m 758 m

Miscellaneous (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 123 m 1874 m 1751 m
DEPT 1103 m 1878 m 775 m
DEPT 1115 m 1880 m 764 m

Mudlog (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 1117 m 1875 m 758 m
TGAS 1118 m 1876 m 758 m
WOB 1115 m 1880 m 764 m

Resistivity (9 curves)

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

Curve Start End Interval
LLD 531 m 1865 m 1334 m
LLG 531 m 1865 m 1334 m
LLS 531 m 1865 m 1334 m
MRES 123 m 1874 m 1751 m
MSFC 531 m 1860 m 1329 m
MSFL 531 m 1860 m 1329 m
RACX 1105 m 1595 m 489 m
RPCX 1105 m 1748 m 643 m
TCDX 1117 m 1878 m 760 m

Sonic (4 curves)

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

Curve Start End Interval
DT 528 m 1852 m 1323 m
DTL 528 m 1852 m 1323 m
DTLF 528 m 1852 m 1323 m
DTLN 528 m 1852 m 1323 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 531 m 1845 m 1313 m