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Coalbah 1

Bowen, Queensland

Coalbah 1 is a petroleum well in the Bowen, Queensland, operated by Shell, drilled to a total depth of 2,438 m.

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Well Information

Well Name
Coalbah 1
Basin
Bowen
State
Queensland
Classification
NEST
Operator
Shell
Driller
Atco

Drilling Data

Total Depth
2,438 m
Datum Elevation
-
Spud Date
05/03/1982
Completion Date
02/04/1982
Permit
-

Location

Latitude
-27.2253
Longitude
149.6490

Available Log Data

2
Log Streams
22
Curves
219,306
Data Points
33,423
Metres

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CAL2 1994 m 2438 m 443 m
CALI 593 m 2237 m 1643 m

Chromato (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ETHA 1592 m 1702 m 109 m
METH 301 m 2424 m 2123 m

Density (2 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 1995 m 2444 m 449 m
RHOB 1994 m 2442 m 447 m

GR (3 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
GR 0 m 2422 m 2422 m
GR1 594 m 2224 m 1630 m
GR2 1994 m 2437 m 442 m

Miscellaneous (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 24 m 2438 m 2413 m
DEPT 0 m 2444 m 2444 m

Mudlog (2 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 24 m 2438 m 2413 m
TGAS 301 m 2425 m 2124 m

Neutron (1 curves)

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

Curve Start End Interval
NPHI 1994 m 2439 m 444 m

Resistivity (5 curves)

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

Curve Start End Interval
ILD 604 m 2436 m 1832 m
LLD 604 m 2231 m 1627 m
LLS 604 m 2231 m 1627 m
MSFL 604 m 2237 m 1632 m
SFL 604 m 2436 m 1832 m

Sonic (1 curves)

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

Curve Start End Interval
DT 600 m 2427 m 1827 m

SP (2 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 600 m 2443 m 1843 m
SP1 600 m 2245 m 1644 m