Gryphaea 1
Gryphaea 1 is a petroleum well in the Browse, Northern Territory, operated by BHP, drilled to a total depth of 3,950 m.
Well Information
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
- Rig
- Energy Searcher
Location
- Latitude
- -12.8106
- Longitude
- 123.7393
Available Log Data
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 |