Leyden 1B ST
Leyden 1B ST is a petroleum well in the Carnarvon, Western Australia, operated by BHP, drilled to a total depth of 4,300 m.
Well Information
Drilling Data
- Total Depth
- 4,300 m
- Datum Elevation
- 12.6 m
- Spud Date
- 09/10/1996
- Completion Date
- 10/12/1996
- Permit
- -
- Rig
- Peregrine III
Location
- Latitude
- -20.8504
- Longitude
- 113.9970
Available Log Data
Borehole Geometry (1 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| HAZI | 3790 m | 4297 m | 507 m |
Caliper (5 curves)
Borehole diameter measurements indicating hole condition and washout zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| CALI | 3425 m | 3788 m | 362 m |
| CALS | 1633 m | 3413 m | 1780 m |
| CALS | 3425 m | 4287 m | 861 m |
| CALX | 3790 m | 4297 m | 507 m |
| CALY | 3790 m | 4297 m | 507 m |
Chromato (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| MTEM | 1017 m | 3413 m | 2396 m |
| MTEM | 1632 m | 4276 m | 2644 m |
| MTEM | 3790 m | 4297 m | 507 m |
Density (4 curves)
Bulk density measurements for porosity calculation and lithology identification.
| Curve | Start | End | Interval |
|---|---|---|---|
| DRHO | 3429 m | 4297 m | 867 m |
| LITH | 3429 m | 4297 m | 867 m |
| PEF | 3429 m | 4297 m | 867 m |
| RHOB | 3429 m | 4297 m | 867 m |
Dip and Scan (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DDA | 3793 m | 4297 m | 504 m |
| DDIP | 3793 m | 4297 m | 504 m |
GR (3 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| GR | 1017 m | 3407 m | 2390 m |
| GR | 1632 m | 4284 m | 2652 m |
| GR | 3788 m | 4287 m | 499 m |
Miscellaneous (2 curves)
Well log curves recorded during wireline logging operations.
| Curve | Start | End | Interval |
|---|---|---|---|
| DEPTH | 1017 m | 3421 m | 2404 m |
| DEPTH | 1632 m | 4298 m | 2666 m |
Neutron (2 curves)
Porosity measurements derived from neutron or density tools, indicating reservoir storage capacity.
| Curve | Start | End | Interval |
|---|---|---|---|
| NPHI | 3429 m | 4290 m | 861 m |
| TNPH | 3429 m | 4290 m | 861 m |
Resistivity (9 curves)
Electrical resistivity logs used to evaluate fluid content and identify hydrocarbon-bearing zones.
| Curve | Start | End | Interval |
|---|---|---|---|
| LLD | 1645 m | 3401 m | 1755 m |
| LLD | 3429 m | 4275 m | 845 m |
| LLS | 1645 m | 3401 m | 1755 m |
| LLS | 3429 m | 4275 m | 845 m |
| MRES | 1645 m | 3401 m | 1755 m |
| MRES | 1632 m | 4276 m | 2644 m |
| MRES | 3790 m | 4297 m | 507 m |
| MSFL | 1649 m | 3411 m | 1762 m |
| MSFL | 3429 m | 4287 m | 858 m |
Sonic (8 curves)
Acoustic travel time logs used for porosity estimation and seismic calibration.
| Curve | Start | End | Interval |
|---|---|---|---|
| DT | 1633 m | 3421 m | 1787 m |
| DT | 3425 m | 4298 m | 872 m |
| DTL | 1633 m | 3421 m | 1787 m |
| DTL | 3425 m | 4298 m | 872 m |
| DTLF | 1633 m | 3421 m | 1787 m |
| DTLF | 3425 m | 4298 m | 872 m |
| DTLN | 1633 m | 3421 m | 1787 m |
| DTLN | 3425 m | 4298 m | 872 m |
SP (2 curves)
Spontaneous potential logs measuring natural electrical potentials for permeability indication.
| Curve | Start | End | Interval |
|---|---|---|---|
| SP | 1645 m | 3388 m | 1742 m |
| SP | 3429 m | 4268 m | 838 m |