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Gryphaea 1

Browse, Northern Territory

Gryphaea 1 is a petroleum well in the Browse, Northern Territory, operated by BHP, drilled to a total depth of 3,950 m.

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Well Information

Well Name
Gryphaea 1
Basin
Browse
State
Northern Territory
Classification
FESS
Operator
BHP
Driller
Maretech
Data Summary
Partial WDS Available

Drilling Data

Total Depth
3,950 m
Datum Elevation
17.4 m
Spud Date
17/09/1987
Completion Date
24/11/1987
Permit
NT AC/P 3

Location

Latitude
-12.8106
Longitude
123.7393

Available Log Data

6
Log Streams
59
Curves
840,461
Data Points
124,782
Metres

Borehole Geometry (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
AZIM 1735 m 3838 m 2103 m
AZIM 1734 m 3838 m 2103 m
DEV 1735 m 3855 m 2120 m
DEV 1734 m 3855 m 2121 m
TVD 1735 m 3855 m 2120 m
TVD 1734 m 3855 m 2121 m

Caliper (2 curves)

Borehole diameter measurements indicating hole condition and washout zones.

Curve Start End Interval
CAL2 2627 m 3868 m 1241 m
CALI 1724 m 3940 m 2216 m

Chromato (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ETHA 2249 m 3751 m 1501 m
IBUT 2585 m 3458 m 872 m
METH 2229 m 3752 m 1523 m
MTEM 199 m 3868 m 3669 m
NBUT 2585 m 2609 m 23 m
PROP 2251 m 3464 m 1213 m

Density (4 curves)

Bulk density measurements for porosity calculation and lithology identification.

Curve Start End Interval
DRHO 2631 m 3868 m 1236 m
FCNL 2631 m 3868 m 1236 m
PEF 2631 m 3868 m 1236 m
RHOB 2631 m 3868 m 1236 m

GR (8 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
CGR 2627 m 3858 m 1231 m
GR 199 m 3926 m 3727 m
GR2 1732 m 3869 m 2136 m
GR2 1732 m 3869 m 2136 m
POTA 2627 m 3858 m 1231 m
SGR 2627 m 3858 m 1231 m
THOR 2627 m 3858 m 1231 m
URAN 2627 m 3858 m 1231 m

Miscellaneous (6 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
DEPT 1732 m 3874 m 2141 m
DEPT 1737 m 3874 m 2136 m
DEPT 1732 m 3874 m 2141 m
DEPT 217 m 3949 m 3732 m
DEPT 199 m 3940 m 3741 m
DEPT 217 m 1980 m 1762 m

Mudlog (12 curves)

Well log curves recorded during wireline logging operations.

Curve Start End Interval
ROP 217 m 3949 m 3732 m
ROP1 1737 m 3874 m 2136 m
ROP1 1737 m 3874 m 2136 m
ROP1 1736 m 3874 m 2137 m
ROP2 217 m 1980 m 1762 m
RPM 1737 m 3874 m 2136 m
RPM 1737 m 3874 m 2136 m
RPM 1736 m 3874 m 2137 m
TGAS 2227 m 3753 m 1526 m
WOB1 1737 m 3874 m 2136 m
WOB1 1737 m 3874 m 2136 m
WOB1 1736 m 3874 m 2137 m

Neutron (2 curves)

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

Curve Start End Interval
NCNL 2631 m 3868 m 1236 m
NPHI 2631 m 3861 m 1229 m

Resistivity (10 curves)

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

Curve Start End Interval
LLD 459 m 3932 m 3473 m
LLS 459 m 3932 m 3473 m
MRES 199 m 3868 m 3669 m
MSFL 459 m 3940 m 3481 m
SN 1732 m 3870 m 2137 m
SN 1732 m 3870 m 2137 m
SNR 1732 m 3870 m 2137 m
SNR 1732 m 3870 m 2137 m
TEMP 1732 m 3372 m 1640 m
TEMP 1732 m 3373 m 1641 m

Sonic (2 curves)

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

Curve Start End Interval
DT 451 m 3929 m 3478 m
DTL 451 m 3929 m 3478 m

SP (1 curves)

Spontaneous potential logs measuring natural electrical potentials for permeability indication.

Curve Start End Interval
SP 459 m 3922 m 3462 m